c interview qeustions

8/12/2019 C INTERVIEW QEUSTIONS

1/626

1) void main()

{

int i,*j; i=35;

??????//j=&i;

printf("%d",*j);}

To gt t! 35 a t! o#tp#t,$!i! tatmnt i rpad ' ??????

) To print a ing !aratr in o#pt#t,$!i! f#ntion i #d?

a) gt!ar()

') gt()) p#t!ar()

d) p#t()

an

3) void main()

{tr#t mp

{

int a; tr#t mp ';

};

tr#t mp m;

printf("%d",i+of(m));}

anrror

dfin t 1-

void main()

{ printf("%d",t);

}

a) 1-

') .rrornfind m'o 0t0) .rrormpropr pamnt of prproor

d) non of t! a'ov

ana

2) .piit datatp onvrion i ad

a) Tp ating') onvrion

) paration

d) non

ana

1


2/626

1-) $!at i t! i+ of !ar *a,int *',foat *4,if t! i+ of t!

do#' pointr i 't

a) 1 1 1')

)

d) 1 an'

prdit t! o#p#t

tr#t mp

{

!ar nam65-7;tr#t mp ;

}*omp;

omp89nam="$ipro";anrror

1:) rdit t! o#tp#t

tr#t a

{

int ;

}1;tr#t '

{

int ;};

if(1==)//tr#t#r annot ' omaprd imp

printf(".4#a");

printf("n4#a");

anrror

1>)

for(j=-;j5;j>>)

{

if(i==j)

ontin#;


3/626

printf("!o");

}

}}

1) $!i! on i #d to gt a m#ti$ord tring?

a) gt') printf

) p#t

d) gt!ar

ana@

12) main()

{

!ar *a="A135An";printf("%d",i+of(a));

}an

-) int f#n(){

int B=1-;

rt#rn(&B);

}main()

{

int *p;p=f#n();

printf("%d",*p);

}an1-

1) i) !ar *tr="$om";

ii) !ar tr65-7="$om";

for t! dfinition $i t! giv o# t! am o#tp#t for t! givn tatmnt?printf("%",tr637);

) void f#n()

{

rt#rn(a91--?1----);}

void main()

{

printf("%d",f#n(5));

3


4/626

}

anrror

3) void dip(int a,int ')

{

rt#rn(a9'?a>'a*');}

void main()

{ printf("%d",,dip(5,:));

}

anrror

1) void main()

{ int i=-;

$!i(i==-) {

}

printf("%d",i);

}

an no o#tp#t//infint oop

) void main()

{

int i=1; $!i(>>i==1)

{}

printf("%d",i);

}

an3) !ar 67={0a0,0'0,00,0A-0};

printf("%",);

o#tp#ta'

) int arr637637={,3,, 5,:,>)

for(j=-;j=;>>j)

printf("%d",*(*(arr>i)>j));

//*(arr6i7>j)88arr6i76j7


5/626

o#tp#t=35:0

d) 0!0

ana

2) tr#t t#dnt{

int i;

!ar 61-7; tr#t t#dnt *;

};

tr#t t#dnt t#d,*t#;t#=&t#d;

printf("%d %d",i+of(t#d));

an1

15) $!at i t! o#tp#t of t! foo$ing program?

void main()

{ int i=1;

int *4;

4=&i; *4=*48;

printf("%d",i);

}

an

5


6/626

1:) $!at i t! # of prdn in F program for oprator?

a) rndn ar #d to rpa t! varia' #d in opration

') prndn ar #d to aoat mmor pa) prndn ar #d to va#at t! prion firt

d) Gon of t! a'ov

an

1


7/626

};

if nd i a pointr $!i! i pointing to t! firt nod,t!n $!i! on of t!

foo$ing i orrt?a) nd89rig!t = GJJ;

') nd89ft = GJJ;

) nd = G#JJ;d) nd89ft89rig!t = GJJ;

an'

1) tr#t a

{

!ar *i; !ar *j;

};

tr#t '

{ tr#t a ;

int i;}*;

printf("%d %d",i+of(),i+of(*));

an :

) dfin t printf

void main()

{int i=1-;

t("%d",i);

}an1-

3) int a63767={1,,3,, 5};printf("%d",a6-767);

an5

) $!i! on i #d to !B t! givn tring i paindrom or nota) King JinBd it

') do#' inBd it

) ErraL) non of t! a'ov

an

5) dfin H.JJM !ai

void main()

{

printf("H.JJM");


8/626

}

an!o

:) T! forma arg#mnt !a a dfa#t va# +roa) tr#

') fa

an'>;

printf("%d",);

}

int ;void main()

{

=>;

printf("%d",); f#n();

}

if t! o#tp#t ar


9/626

i) t aoat - 't of mmor

ii) T! va# in t! mmor i aoatd to +ro

a) i on')ii on

) 'ot! i and ii

d) nit!r i nor iian

3) rdit t! o#tp#t

int i=1;

$!i(i3)

{$it!(i)

{

a 1

printf ("Fa 1");'raB;

a printf ("a ");

'raB;

dfa#tprintf ("Lfa#t");

}

i>>

}35) for (i=1; i=; i>>)

{

printf ("HE");}

an!ai !ai !ai@@@@infinit

3


10/626

printf("%",omp89nam);

printf("%d",omp89a);

}

anrror//if tr#t mnt annot ' intiai+d >omp annot # 89 on "@"@

32) N!i! of t! foo$ing i onidrd a toBn in F?a) Oaria'

') P$ord

) Fontantd) E t! a'ov

and

-) F i a QQQQQQQQQQQQQQQQQQQQ ang#aga) atform indpndnt programming

') atform dpndnt programming

) M'jt orintd programming

d) Gon of t! a'ovan'

1) main(){

int i=3;

$it!(i) {

dfa#t printf("dfa#t");

a 1 printf("a 1");

a printf("a ");'raB;

}

andfa#t a1 a) dfin RSKT 1

dfin K.FMGL RSKT>RSKT

main(){

printf("%d",K.FMGL * K.FMGL);

}

an33) int '657;

main()

{ tati int a657;

int i;

for(i=-;i5;i>>)printf("%d %d",a6i7,'6i7);

}

o#tp#to o o o o o o o o o

) $!i! i !aving t! mor prndn

1-


11/626

a) * ')> )== d) 8

ana

5) main()

{

!ar *="gir"; int n,i;

n=trn();

*=6n7;//g $i ' rpad ' A- for(i=-;in;i>>)

{

printf("% An",);// //ir//r//r//

>>;}

}

an

irr

:) int amp(int )

{ int *;

=&;

=*>;

rt#rn();}

void main()

{ int =5;

printf("%d",amp());

}

an*p>;

printf("%d",j);}

an1

1@int a=13@1;

13


14/626

int '=813@1;

int =a>';

printf("%f",);

a) -@--

') 13@1 ) :@

d) Gon of t!

annon of t! a'norma foating point

@ tr#t mp

{

int a; !ar *nam;

};

main()

{ tr#t mp *;

printf("%d",i+of()); }

an

3@ $!i! i t! 't t!ing for inBd it t!an arra?

i) nrtion

ii) Ltion iii) Travra

a) (i) on ') (i),(ii) on

) ii,iii on

d) iii onan'

@ onidr t! !aratr arra of i+ 1-@N!n a tring i mor t!an 1-

a) .rror

') Mvr$rit

) Got!ing d) gar'ag va#

anrror/too man intiai+r

ana5@ main()

{

!ar *tr;

!ar *f#n();

1


15/626

tr=f#n();

printf("%",tr);

}

!ar * f#n()

{ !ar *'#ffr;

trp('#ffr,"Ho $ord");

rt#rn '#ffr; }

anr#ntim rror //a '#ffr i ot $!n it go o#t of a f#ntion 'ttt to # tati !ar

*'#ffr

or mao to aoat mmor for '#ffr@ a) !o $ord

') Fompir rror

) S#ntim rror

d) Gon of t! a'ovan

:@ main() {

!ar *tr;

!ar *f#n(); tr=f#n();

printf("%",tr);

}

!ar * f#n()

{

!ar *'#ffr; '#ffr=(!ar *) mao(i+of(!ar));

trp('#ffr,"Ho $ord");

rt#rn '#ffr; }

a) !o $ord ') Fompir rror

) S#ntim rror

d) Gon of t! a'ov

ana

I*F/L

an>a/*'d

) int a;

a=:5535;

15


16/626

printf("%d",a);

a) - ') Uar'ag

) :5535

d) 83


17/626

d) 83


18/626

an

-) main()

{ !ar tr67="Nipro nfot!";

!ar *;

=&tr6137813; $!i(*)

printf("%",*>>);

}an$ipro infot!

1) !ar *a="Vaaaam";

!ar *; F!ar *tr;

tr=a;

=tr>;

for(;9=tr;88) printf("%",*);

a) Vaaaam

') maaaaV

) rror d) Gon of t! a'ov

an'

) tr#t main

{ int a;

int ';

tr#t main *1; };

printf("%d %d",i+of(1),i+of(*1));

an :

3) dfin $ipro Hai

void main()

{ printf("$ipro");

}an$ipro

) aoating a 'oB of mmor fftiv t! am a dfining an arra?

a) Tr# ') fa

anfa

5) t! i+ of a nod of a do#' inBd it i a$a gratr t!an t! ing inBd it

1


19/626

a) Tr#

') fa

antr#:) ## i #d for

i) .prion .va#ation

ii) K!#ding t! jo' in Rirt om Rirt rv

a) i) on

') ii on) 'ot! i & ii

d) nit!r i nor ii

an'

int)

d) dfin KST(int) (int) > (int)an'

) void f#n(){

tati !ar p67="Ho";

rt#rn p;}

main()

{printf("%",f#n());

}

$!at $i ' t! o#tp#t?

a) Fompir .rror ') Ho ) Uar'ag va# d) Gon

ana

2) void main()

{

int *p;

12


20/626

p=(int *)mao(i+of(int));

for(i=-;i5;i>>)

printf("%d ",p6i7);}

N!at i t! o#tp#t?

angar'agif ao i #d o/p i -----

3-) main()

{ int i,j;

for(i=1,j=1-;ij;i>>,j88);

printf("%d %d",i,j);

}an1 1-, 2,3 ,


21/626

') ii on

) 'ot! i and ii

d) nit!r i nor ii

an

3:) int *ptr; ptr=(int *)ao(1-*i+of(int));

$!i! i orrt?

i) E Oa# ar intiaid to +roii) Frat mmor for 1- intgr data

a) i on

') ii on) 'ot! i and ii

d) nit!r i nor ii

an'3


22/626

)rror

d)Uar'ag va#

and

-) n t! foo$ing dfinition

tr#t nod *ptr;ptr=(tr#t nod *)ao(i+of(ptr));

a) ptr i aoatd 't') ptr $i ' aoatd i+of tr#t nod

) .rror

d) ptr $i !av 't

ana1) n a do#' inBd it ,if t! firt nod i firt and t! at nod i nd,

$!at $i ' t! o#tp#t?

travr(tr#t nod*nd){

$!i(ndW=GJJ)travr(nd89prv);

printf("%d",nd89data);

}

if t! inp#t i 1,,3,,5 t!n t! o#tp#t $i '

a) 1,,3,,5') 5,,3,,1

) ompiation rror

d) nonan'

) void main()

{ int '=-;

printf("%d"*&'>>);

}

$!at $i ' t! o#tp#t?a) 1 ')- ) rror d) Uar'ag va#

an//m#t taB an adr of mmor oation

*&' $i $orB3) !o$ $i o# rfr t! at nod in t! do#' inBd it $!i! i pointd ' t!

pointr

varia' 0#ror0?a)#ror==GJJ

')#ror89inB=GJJ

)F#ror89inB=-

d)#ror89data=GJJ


23/626

an'

) !o$ $i o# rfr t! prvio# nod of t! pointr 0#ror0 in t! do#' inBd it(#ror i not in t! firt or in t! at)?

a)#ror89inB>>

')#ror=#ror89ft) F#ror>>

d) #ror89ft>>

an'

1)Fonidr t! foo$ing tr#t#r

tr#t nod

{ int info;

tr#t nod *inB;

};

K#ppo ptr i a pointr $!i! i not pointing to t! firt ort! at nod@T!n if $ ar going to dt a nod aftr ptr,

t!n t! od $i '

a) ptr=ptr89inB;

') ptr89inB=ptr;

) ptr89inB=ptr89inB89inB;d) ptr=ptr89inB89inB;

an

) Fonidr t! foo$ing tr#t#r

tr#t nod {

int info;

tr#t nod *inB; };

K#ppo tart i a pointr pointing to t! firt nod of t! inBd it@

3


24/626

1 and ptr ar t! t$o pointr(t! ar not pointing to t! firt or

at nod)@T!n if $ ar going to #t t! foo$ing od,

i) tart89inB=1;

ii) 189inB=ptr;

iii) ptr89inB=tart;

t!n t! it i

a) t i !aving on 3 nod $it! tart,1,ptr in t! it,!aving tart a t! firt nod

') t i a ir#ar inBd it

) t i a do#' inBd it

d) Gon of t! a'ovan'

3) n a 4##, if rar=front t!n $!at $i ' t! 4##

a) ## i mpt') ## i f#

) ## !a on on mntd) non of t! a'ov

an

) n a 4##,if rar=-,front=- t!n $!at $i ' t! 4##

a) ## i mpt

') ## i f#

) ## !a on on mntd) non of t! a'ov

an

5) ) n a 4##,if rar=-,front=1 t!n $!at $i ' t! 4##

a) ## i mpt

') ## i f#) ## !a on on mnt

d) ## i ir#ar

and

:) n a 4##,if rar=81,front=81 t!n $!at $i ' t! 4##

a) ## i mpt

') ## i f#) ## !a on on mnt

d) non of t! a'ov

ana


25/626

d) non of t! a'ov

an'

) T! potfi prion i a'>*d/8@T! va# of a,',,d, ar ,,5,,1

rptiv@ T!n t! o#tp#t i

a) 1

') 11

) - d) 15

ana

2) T! infi prion i a>'*(8d)/(>f)*! t!n m potfi prion i a) a'>d8*f>!*/

') a'd8f>*/!*

) a'd8*f>/!*>

d) a'df>8*/!*>an

1-) n t! taB,if top=- t!n t! taB i a) taB i mpt

') taB i f#

) taB !a on on mnt d) non of t! a'ov

an

11) Fonid t! tr#t#r

tr#t nod

{ int info;

Ktr#t nod *ft;

tr#t nod *rig!t;};

N !av 1- mnt in t! it@f t! foo$ing #t $!at $i ' t! o#tp#t?

for(ptr=tart;ptr;ptr=ptr89rig!t)

{ if(ptr89data%==-)

printf("%d",ptr89data);

}

a) Mn vn n#m'r ar printd

') Mn odd n#m'r ar printd) Fompir rror

d) Mn gar'ag va#

an /$ if ptr i dfind t!n vn no ar printd

5


26/626

1) Ktr#t nod

{

int data; tr#t nod *ft,*rig!t;

};

K#ppo nd i a nod $!i! i not in t! 'ginning and ao not in t! nd@Ho$ $i o# dt a nod aftr nd?

a) nd89rig!t=nd89rig!t89ft;nd89rig!t89ft=nd89ft89rig!t;

') nd89rig!t=nd89rig!t89rig!t;nd89rig!t89ft=nd;

) nd89rig!t=nd89rig!t89ft;nd89rig!t89ft=nd89rig!t;d) nd89rig!t=nd89ft89rig!t;nd89ft89rig!t=nd;

an'

13) Ktr#t nod{

int data; tr#t nod *ft,*rig!t;

};

K#ppo nd i a nod $!i! i not in t! 'ginning and ao not in t! nd@Ho$ $i o# dt a nod 'for nd?

a) nd89ft=nd89rig!t89ft;nd89rig!t89ft=nd89ft89rig!t;

') nd89ft=nd89rig!t89rig!t;nd89ft89rig!t=nd89rig!t;

) nd89ft=nd89ft89ft;nd89ft89rig!t=nd;d) nd89ft=nd89ft89rig!t;nd89ft89rig!t=nd;

an

1) Ktr#t nod

{

int data;

tr#t nod *ft,*rig!t;};

K#ppo ptr i a nod $!i! i not in t! 'ginning and ao not in t! nd@

Ho$ $i o# dt a nod ptr?

a) ptr89ft89rig!t=ptr89rig!t;ptr89rig!t89ft=ptr89ft;fr(ptr);

') ptr89ft89rig!t=ptr89rig!t89rig!t;ptr89ft89rig!t=ptr89rig!t;fr(ptr);

) ptr89ft89rig!t=ptr89ft89ft;ptr89ft89rig!t=ptr;fr(ptr);

d) ptr89ft89rig!t=ptr89ft;ptr89ft89rig!t=ptr89ft;fr(ptr);

:


27/626

ana

15) Ktr#t nod{

int data;


K#ppo ptr i a nod $!i! i not in t! 'ginning and ao not in t! nd@

nd i t! n$ nod@Hr i t! oding

i) nd89rig!t89ft=nd;

ii) nd89ft=ptr;

iii) nd89ft89rig!t=nd;iv) nd89rig!t=ptr89rig!t;

T!n $!at 4#n do it foo$ for inrting nd aftr ptr?

a) i,ii,iii,iv

') ii,iv,i,iii

)iv,iii,ii,id) ii,iii,i,iv

an'

1:) n t! Uivn nfi prion $!i! i t! root nod for #r prion tr

(E>I)8(F*L)>U/H*

a) >') 8

) *

d) /

ana

1


28/626

inrt(3,root);

dt(13,root);

inrt(::,root); inrt(13,root);

inrt(3:,root);

N!at $i ' t! prordr travra i

a) 5,,1-,13,5,3,3:,5,::,


29/626

$!i(i==-)

{ }

printf("%d",i);

}

aninfinit oop

) void main() {

int i=1;

$!i(>>i==1)

{ } printf("%d",i);

}

an

3) !ar 67={0a0,0'0,00,0A-0};

printf("%",);ana'

) int arr637637={,3,,5,:,>)

for(j=-;j=;>>j)


an 3 5 : < 2 1-

5) int '=-;

printf("%d",>>*&');an1

:) $!i! an ' rpad ' a $it! 'oB?a) do@@$!i

') for

) $!i

d) ifand


30/626

') 0*0

) 0>0

d) 0!0ana

2) tr#t t#dnt

{ int i;

!ar 61-7;

tr#t t#dnt *;};

tr#t t#dnt t#d,*t#;

t#=&t#d;


an1

1-) inrt(root,);

inrt(root,1);inrt(root,3);

inrt(root,);inrt(root,5);

N!at i t! inordr for t! a'ov tr?

an1 3 5

11) inrt(root,);

inrt(root,1);

inrt(root,3);inrt(root,);

inrt(root,5);

N!at i t! prordr for t! a'ov tr?an 1 3 5

1) T! prfi prion i a'>*d/8@f t! va# of a,',,d, ar 5,,3,3,1rptiv,t!n $!at $i ' t! o#tp#t?

13) N!at i t! ordr in $!i! t! prordr i va#atd?

i) root nodii) ft nod

iii) rig!t nod

a) i,ii,iii

') ii,iii,i

) iii,ii,id) ii,i,iii

1) $!i! opration ar mor fftiv in inBd it t!an arra?

3-


31/626

i) inrtion

ii) dtion

iii) travra

a)i,ii on

')iii on) a t! a'ov

d) i,iii on


void main()

{int i=1;

int *4;

4=&i;

*4=*48;printf("%d",i);

}

1:) $!at i t! # of prdn in F program for oprator?

a) rndn ar #d to rpa t! varia' #d in opration') prndn ar #d to aoat mmor pa

) prndn ar #d to va#at t! prion firt

d) Gon of t! a'ov

1


32/626

{

a 1

printf("a1");'raB;

a

printf("a "); dfa#t

printf("dfa#t");

'raB;}

a) a1 a dfa#t

') a

) a dfa#td) ompir rror

-) tr#t nod

{ int info;


if nd i a pointr $!i! i pointing to t! firt nod,t!n $!i! on of t!

foo$ing i orrt?a) nd89rig!t = GJJ;

') nd89ft = GJJ;

) nd = G#JJ;

d) nd89ft89rig!t = GJJ;

1) tr#t a

{

!ar *i; !ar *j;

};

tr#t '

{ tr#t a ;

int i;

}*;printf("%d %d",i+of(),i+of(*));

) dfin t printf

void main()

{

int i=1-;

3


33/626

t("%d",i);

}

3) int a63767={1,,3,,5};

printf("%d",a6-767);

) $!i! on i #d to !B t! givn tring i paindrom or nota) King JinBd it

') do#' inBd it

) Erra

L) non of t! a'ov

5) dfin H.JJM !ai

void main(){

printf("H.JJM");}

:) T! forma arg#mnt !a a dfa#t va# +roa) tr#

') fa

>; printf("%d",);

}

int ;void main()

{

=>;

printf("%d",);

f#n();}

if t! o#tp#t ar


34/626

) if rar=81,front=81 t!n $!at $i ' m 4##?

a) ## i mpt') ## i f#

) ## !a on mnt

L) ## !a ma81 mnt

2) void main()

{ int i;

for(i=1;i=5;i>>)

{}

printf("%d",i);}

3-) f p=(int *) mao(i+of(int)*1-),t!n $!i! on i tr#?i) t aoat - 't of mmor

ii) T! va# in t! mmor i aoatd to +ro a) i on

')ii on

) 'ot! i and iid) nit!r i nor ii

31) f p=(int *) ao(i+of(int)*1-),t!n $!i! on i tr#?

i) t aoat - 't of mmorii) T! va# in t! mmor i aoatd to +ro

a) i on

')ii on) 'ot! i and ii

d) nit!r i nor ii

3) rdit t! o#tp#t

int i=1;$!i(i3)

{

$it!(i){

a 1

printf ("Fa 1");'raB;

a

printf ("a ");

'raB;

3


35/626

dfa#t

printf ("Lfa#t");

}i>>

}

33) f rar=- front=- $!at i 4##?

3) if rar=ma, front=-, $!at i 4##?

35) for (i=1; i=; i>>)

{

printf ("HE");}

3:) Fonidr a inBd it $!r ptr i a pointr $!i! i not pointing to t!firt nod and not to t! at nod@f t!r i anot!r nod ad "n$" $!i!

i iB n$89nt=GJJ,t!n $!at i t! nario?a) t i t! firt nod

') t i t! at nod

) t i in t! middd) non of t!

3


36/626

) Fontant

d) E t! a'ov

-) F i a QQQQQQQQQQQQQQQQQQQQ ang#ag

a) atform indpndnt programming') atform dpndnt programming

) M'jt orintd programming

d) Gon of t! a'ov

1) main()

{

int i=3; $it!(i);

{


a 1 printf("a 1");a printf("a ");

'raB; }

) dfin RSKT 1dfin K.FMGL RSKT>RSKT

main()

{

printf("%d",K.FMGL * K.FMGL);}

3) int '657;main()

{

tati int a657; int i;

for(i=-;i5;i>>)

printf("%d %d",a6i7,'6i7);

}


a) * ')> )== d) 8

5) main(){

!ar *="gir";

int n;

n=trn();

3:


37/626

*=6n7;

for(i=-;in;i>>)

{ printf("% An",);

>>;

}}

:) int amp(int )

{

int *;

=&; =*>;

rt#rn();

}

void main(){

int =5; printf("%d",amp());

}


38/626

a) tr#

') fa

5-) int 567={1,,3,,5};

printf("%d",67);rror

51) int arr67={1,,3,,5};printf("%d %d",arr,&arr);

5) int a63767={1,,3,,5,:,


39/626

5


40/626

o#tp#tinfint oop

) void main()

{

int i=1; $!i(>>i==1)

{ }

printf("%d",i);

}

3) !ar 67={0a0,0'0,00,0A-0};

printf("%",);

) int arr637637={,3,,5,:,>)for(j=-;j=;>>j)


5) int '=-;

printf("%d",>>*&');

:) $!i! an ' rpad ' a $it! 'oB?

a) do@@$!i') for

) $!i

d) if

0

d) 0!0

-


41/626

2) tr#t t#dnt

{

int i; !ar 61-7;

tr#t t#dnt *;

};tr#t t#dnt t#d,*t#;

t#=&t#d;


1-) inrt(root,);

inrt(root,1);inrt(root,3);

inrt(root,);

inrt(root,5);

N!at i t! inordr for t! a'ov tr?

11) inrt(root,);

inrt(root,1);

inrt(root,3);inrt(root,);

inrt(root,5);

N!at i t! prordr for t! a'ov tr?

1) T! prfi prion i a'>*d/8@f t! va# of a,',,d, ar 5,,3,3,1

rptiv,t!n $!at $i ' t! o#tp#t?

13) N!at i t! ordr in $!i! t! prordr i va#atd?

i) root nodii) ft nod

iii) rig!t nod

a) i,ii,iii') ii,iii,i

) iii,ii,i

d) ii,i,iii

1) $!i! opration ar mor fftiv in inBd it t!an arra?i) inrtion

ii) dtion

iii) travra

1


42/626

a)i,ii on

')iii on

) a t! a'ovd) i,iii on


void main()

{int i=1;

int *4;

4=&i;

*4=*48;printf("%d",i);

}

1:) $!at i t! # of prdn in F program for oprator?a) rndn ar #d to rpa t! varia' #d in opration

') prndn ar #d to aoat mmor pa) prndn ar #d to va#at t! prion firt

d) Gon of t! a'ov

1


43/626

a

printf("a ");

dfa#tprintf("dfa#t");

'raB;

}a) a1 a dfa#t

') a

) a dfa#td) ompir rror

-) tr#t nod

{ int info;

tr#t nod *ft,*rig!t;

};

if nd i a pointr $!i! i pointing to t! firt nod,t!n $!i! on of t!foo$ing i orrt?

a) nd89rig!t = GJJ;') nd89ft = GJJ;

) nd = G#JJ;

d) nd89ft89rig!t = GJJ;

1) tr#t a{

!ar *i;

!ar *j;};

tr#t '

{ tr#t a ;

int i;

}*;

printf("%d %d",i+of(),i+of(*));

) dfin t printf void main()

{

int i=1-;t("%d",i);

}

3


44/626

3) int a63767={1,,3,,5};

printf("%d",a6-767);

) $!i! on i #d to !B t! givn tring i paindrom or not

a) King JinBd it') do#' inBd it

) Erra

L) non of t! a'ov

5) dfin H.JJM !ai

void main(){

printf("H.JJM");

}

:) T! forma arg#mnt !a a dfa#t va# +ro

a) tr#') fa

>;

printf("%d",);}

int ;

void main(){

=>;

printf("%d",);

f#n();

}if t! o#tp#t ar


45/626

) ## !a on mnt

L) ## !a ma81 mnt

2) void main()

{

int i; for(i=1;i=5;i>>)

{}

printf("%d",i);}

3-) f p=(int *) mao(i+of(int)*1-),t!n $!i! on i tr#?i) t aoat - 't of mmor

ii) T! va# in t! mmor i aoatd to +ro

a) i on

')ii on) 'ot! i and ii

d) nit!r i nor ii

31) f p=(int *) ao(i+of(int)*1-),t!n $!i! on i tr#?

i) t aoat - 't of mmorii) T! va# in t! mmor i aoatd to +ro

a) i on

')ii on

) 'ot! i and iid) nit!r i nor ii

3) rdit t! o#tp#t

int i=1;$!i(i3)

{

$it!(i)

{a 1

printf ("Fa 1");

'raB;a

printf ("a ");

'raB;dfa#t

printf ("Lfa#t");

}

i>>

5


46/626

}

33) f rar=- front=- $!at i 4##?

3) if rar=ma, front=-, $!at i 4##?

35) for (i=1; i=; i>>)

{

printf ("HE");}

3:) Fonidr a inBd it $!r ptr i a pointr $!i! i not pointing to t!firt nod and not to t! at nod@f t!r i anot!r nod ad "n$" $!i!

i iB n$89nt=GJJ,t!n $!at i t! nario?

a) t i t! firt nod

') t i t! at nod) t i in t! midd

d) non of t!

3


47/626

-) F i a QQQQQQQQQQQQQQQQQQQQ ang#ag

a) atform indpndnt programming

') atform dpndnt programming) M'jt orintd programming

d) Gon of t! a'ov

1) main()

{

int i=3; $it!(i);

{


a 1 printf("a 1");a printf("a ");

'raB;

}

) dfin RSKT 1

dfin K.FMGL RSKT>RSKTmain()

{

printf("%d",K.FMGL * K.FMGL);}

3) int '657;

main(){

tati int a657;

int i;for(i=-;i5;i>>)

printf("%d %d",a6i7,'6i7);

}


a) * ')> )== d) 8

5) main()

{ !ar *="gir";

int n;

n=trn(); *=6n7;

for(i=-;in;i>>)

{

printf("% An",);


48/626

>>;

}

}

:) int amp(int ){

int *;

=&; =*>;

rt#rn();

}

void main(){

int =5;

printf("%d",amp());

}


49/626

5-) int 567={1,,3,,5};

printf("%d",67);

51) int arr67={1,,3,,5};

printf("%d %d",arr,&arr);

5) int a63767={1,,3,,5,:,';

printf("%",);

2


50/626

}

main()

{ ?????

foo(,1@5);

}$!i! in i rpad for ?????? to gt t! o#p#t of -@5

5) main()

{

foat v;

v=1-/@-; printf("%f",v);

}

52) n a do#' inBd it, p1 and p ar t! nod and nod nd i inrtd a nd89nt=GJJ

nd89prv=p189nt

:-) void main()

{ int i=1,j,*p;

p=&i;

j=>>*p>;printf("%d",j);

}

1@ N!at i t! o#tp#t of t! foo$ing

#nignd i=3


51/626

{

tati int i=3;

printf("%d",i);}

a@ 3'@ V#tip daration (in i tati)

@ -

d@ Gon of t! a'ovEn3

3@ N!at i t! o#tp#t of t! foo$ing

main()

{void !ang(!ar *);

!ar *t="tt";

!ang(t);

printf("%",t);

}void !ang(!ar *t)

{

!ar *a'="n$ tt";*t=*a';

}

a@ n$ tt '@ tt @ nt d@ Gon of t! a'ov

@ N!at $o#d ' printd

in#dtdio@!9int i=-;

void main()

{$!i(i)

{

$it!(i){

a 3printf("Hi"); 'raB;

a 39printf("Ho"); 'raB;

dfa#t printf("$om");

51


52/626

}

>>i;

}}

a@ Hi '@ Nom @ Go o#tp#t d@ .rror

En

5


53/626

in#dtdio@!9

int gt();

void main(){

int =-;

=gt();printf("%d ",);

}

int gt()

{

rt#rn(:-);

}a@ :- '@ Uar'ag @ .rror d@ -

5@ $ap(int *a,int *')

{int *t;

t=a;a=';

'=t;

}

void main()

{

int a=1-,'=-;$ap(&a,&');

printf(X%d %dY,a,');

}

a@ 1- - '@ - 1- @ .rror d@ Uar'ag va#

Ena

>*>>p;

printf("% %",p,p1);

}

a@ i'jWgjfot '@ !'jWgjfot @ !'jWgjfot !'jWgjfot d@ Gon

and

53


54/626

@ main()

{ !ar a61--7={Xa'dfY};

a>>;

printf(X%Y,&a617);}

a) 'df ') a'df )ompiation rror d) non of t! a'ov

2@ N!n fopn() fai to opn a fi it rt#rn QQQQQQQ

a@ GJJ '@ 81 @ 1 d@ Gon of t! a'ov

5


55/626

1-@ int i=5;

f#n( )

{printf("%dAn", i * 3);

}

main( ){

int i= ;

{int i = 3;

printf(" %d", i);

f#n();

}}

a@ 3, 15 '@ 3, : @ 3 d@ -

11@ main(){

tati int i=3;printf("%d",i88);

rt#rn i9-?main()-;

}

a@ 3 1 - '@ 3 1 @ 1 - d@ 1

1@ i a !aratr pointr varia' t!n, $!at $i ' t! o#tp#t of t! foo$ingtatmnt@

printf("%d %d",i+of(p),i+of(*p));

a@ 1 '@ 1 @ d@ 1 1

13@ void main(){

!ar *67={"d!arma","!$t8paBard","imn","i'm"};

!ar **p;

p=;printf("%",>>*p);

printf("An%",*p>>);

printf("An%",>>*p);}

a@ d!arma !arma

$t8paBard

'@ !arma

!$t8paBard

55


56/626

imn

@ !arma

!arma !$t8paBard

d@ !arma

!arma $t8paBard

5:


57/626

1@ void main()

{

!ar *ptr="Samo Ktm";(*ptr)>>;

printf("%An",ptr);

ptr>>;printf("%",ptr);

}

a@ Kamo Ktm Kamo Ktm '@ Kamo Ktm amo Ktm

@ amo Ktm amo Ktm d@ amo Ktm mo Ktm

15@ in#d tdio@!9

main(){

$it! (5)

{ a 5 printf(" 5 ");

dfa#t printf(" 1- ");

a : printf(" : ");

}}

E@ 5 I@ 5 1- : F@ 5 1- L@ 5 :

1:@ N!i! of t! foo$ing i not a torag a in F?

E@ KtaB I@ Sgitr F@ .trn L@ Ktati

1


58/626

12@ N!at $i ' t! o#tp#t of t! foo$ing program

int main()

{int va=5;

va=printf("F") > printf("KBi");

printf("%d",va);rt#rn(-);

}

(a) < (') F< () Fompi8Tim .rror (d) FKBi*';*'=*a8*';*a=*a8*';

}

main(){

int =1-,=-;

$ap(&,&);printf("= %d = %dAn",,);

}

a@ - 1- '@ 1- - @ - - d@ 1- 1-

@ main(){

!ar *p = Xa4mY;

!ar ; = >>*p>>;

printf(X%Y,);

}a) a ') ' ) d) +

3@ main()

{foat i=1@5;$it!(i)

{

a 1 printf("1");a 1@5 printf("");

dfa#t printf("-");

}

52


60/626

}

a@ - '@ - 1 @ 1 - d@ Fompir .rror @ -

@ f t! F fai to Bp t! varia' in F rgitr, in t!at a t! varia' ar

a#md

a) tati ') trna ) go'a d) a#to

5@ T! .MR i 4#ivant to

a@ 81 '@ 1 @ - d@ Gon of t! a'ov

:@ n a 4##, if rar=ma81, front=- t!n $!at $i ' t! 4##

a) ## i mpt') ## i f#

) ## !a on on mnt

d) Gon of t! a'ov

I)8(F*L)>U/H*

a) > ') 8 ) * d) /

31@ Fonidr t! foo$ing tr#t#r

:-


61/626

tr#t nod

{

int info; tr#t nod *inB;

};

K#ppo ptr i a pointr $!i! i not pointing to t! firt ao not to t! at nod@

T!n if o# rmov a nod aftr ptr from t! it, t!n t! od $i '

a) ptr=ptr89inB;

') ptr89inB=ptr;

) ptr89inB=ptr89inB89inB;

d) ptr=ptr89inB89inB;

:1


62/626


63/626

'@

@ 3

d@ @ 5

32@K#ppo t!at p i a pointr varia' t!at ontain t! GJJ pointr@ N!at !appn ifo#r program tri to rad or $rit *p?

a@ E nta rror a$a o#r at ompiation tim@'@ E r#n8tim rror a$a o#r $!n t! program fini!@

@ T! r#t ar #nprdita'@

d@ E r#n8tim rror a$a o#r $!n *p i va#atd

5@ N!at Bind of it i 't to a t! itm at givn poition n?"

a@ Lo#'8inBd it@

'@ Jit impmntd $it! an arra@@ King8inBd it@

d@ Lo#'8inBd or ing8inBd it ar 4#a 't

5-@ N!i! of t! foo$ing appiation ma # a taB?a@ E parnt! 'aaning program@

'@ .vo#tion of potfi prion@

@ Knta ana+r for a ompir@

d@ E of t! a'ov@

in#dtdio@!9 void main()

{

#nion a {

int i;

!ar !67;

}; #nion a #;

#@!6-7= 3;

#@!617= ; printf("%d %d %d",#@!6-7,#@!617,#@i);

}

a) 3 515 ')515 3 ) 3 5 d) non of t!

main()

{

:3


64/626

tr#t t#dnt

{

!ar nam63-7;tr#t dat do';

}t#d;

tr#t dat {

int da,mont!,ar;

}; anf("%%d%d%d", t#d@rono, &t#dnt@do'@da, &t#dnt@do'@mont!,

&t#dnt@do'@ar);

}

a) t an prft $it! rror ') anf format i inorrt ) Go .rror d)

ompiation .rror

n printf(),t! apparan of t! o#tp#t of t! o#tp#t an ' afftd '

1) fid $it! ) onvrion !aratr

3) fag ) a of t! a'ov

En of t! foo$ing program in !a a to t!r tandard fi

1) tandard inp#t fi, tandard o#tp#t fi, tandard rror fi) tdin,tdo#t, tdrr

3) B'oard,rn,rn

) a t! a'ov

Hap

1) i a rgion from $!r mmor i aoatd

) i 't$n o# program and t! taB

3) i a finit ara) a of t! a'ov

R#ntion dfinition void !B(int i ,!ar*j) i

1) a ' va# )a ' rfrn

3) 'ot! (1) and () )in vaid f#ntion dfinition

VaBing i #d

:


65/626

1) to op a portion of a givn 'it pattrn to a n$ varia',

$!i t! rmaindr of t! n$ varia' i fid $it! -[(#ing t!

'it$i EGL)) to op a portion of a givn 'it pattrn to a n$ varia',

$!i t! rmindr of t! n$ varia' i fid $it! 1[ (#ing t! 'it$i MS)

3) to op a portion of a givn 'it pattrn to a n$ varia', $!i t! rmaindr of t!origina 'it pattrn i invrtd $it!in t! n$ varia'

) a of t! a'ov

E fid $idt! pifir in a printf() f#ntion

1) pifi t! maim#m va# of a n#m'r) ontro t! i+ of tp #d to print n#m'r

3) ontro t! mrging of t! program iting

) pifi !o$ man !aratr poition $i ' #d for a n#m'r

T! go'a varia' ' dfa#t 'ong to

1) t! rgitr tp ) t! tati tp3) t! a#to tp ) t! dnami tp

N!at $i ' t! o#tp#t of t! foo$ing program

void main()

{ #nignd =-f-,=5,+;

+=;

printf("% %",+,9981);}

(a)1--- f< (')-- -f ()1--- f

(d)-1--- -f

En@ (d)

int n#m6:7,tmp;

n#m6-7=1--;

n#m657=--;tmp=n#m657;

n#m657=n#m6-7;

n#m6-7=tmp;

printf("An%d %d",n#m6-7,n#m657);

:5


66/626

o/p -- 1--

@ int arra6:7,i;

for(i=-;i=5;i>>)

{ arra6i7=0E0>i;

printf("An%d, %", arra6i7,arra6i7);

}o/p:5=E to 2


67/626

o/p

2@ int i,a6767={1,,3,};

for (i=-;i;i>>)

printf("%d",a6i76i7);

o/p 1,

1-@ int i,a6767={1,,3,};

for (i=-;i;i>>)

printf("%d",a6i7);

o/p 3- 3 ( adr[ of int[)

11@ int i,a6767={1,,3,};

for (i=-;i;i>>)printf("%d , %dAn",a6i7>1);

o/p:,222

::,222

1@ int a6767={1,,3,};

printf("%d",a);

o/p 'a addr of a (1tmnt) ::

13@ !ar a65761-7={"aB!a",

"arag","F!irag",

"Hma",

"Hta"};printf("%",a);

o/p aB!a

1@ !ar a65761-7={"aB!a",

"arag","F!irag",

"Hma",

"Hta"};printf("%",a>);

o/p!irag

:


68/626

15@ !ar a65761-7={"aB!a",

"arag",

"F!irag","Hma",

"Hta"};

printf("%",a6>7);

o/p!irag

1:@ !ar a65761-7={"aB!a",

"arag",

"F!irag",

"Hma","Hta"};

printf("%",a67);

o/p!irag

1


69/626


70/626

o/p rror annot a main() from t! program

@ in#dtdio@!9

void main()

{ printf("An Mn marti # F?");

main();

}

o/p rror annot a main() from t! program

3@ in#dtdio@!9

int !B(int);

void main()

{ int i=5,;

=!B(i);printf("An%d",);

}

int !B(int !)

{

if(!9=5)

rt#rn (1--);

rt#rn (1-);

}

o/p1--

@ in#dtdio@!9

int !B(int);

void main(){

int i=5,;

=!B(i *1---);printf("An%d",);

}

int !B(int !)

{

if(!9=----)

rt#rn (!/1-);


71/626

rt#rn (1-);

}

o/p1-

5@ int =1-;

void dipa();

void main()

{

int =-;printf("An%d",);

dipa();

}

void dipa(){

printf("nid dipa %d",);

}

o/p -,inid dipa 1-

:@ in#dtdio@!9

int i;

void inrmnt();

void drmnt();

void main()

{

printf("Ani=%d",i);inrmnt();

inrmnt();

drmnt();drmnt();

}

void inrmnt()

{

i=i>1;


72/626

printf("Anon inrmnting i=%d",i);

}

void drmnt()

{

i=i81;printf("Anon drmnting i=%d",i);

}

o/p1 1 -


73/626

printf("An%d%d",i,j);

}

void f#n(int *i,int j)

{

*i=*i * *i;j=j*j;

}

1-@ void f#n(void *);

int i;

void main()

{ void *vptr;

vptr=&i;

f#n(vptr);

}

void f#n(void *p){

int **4;

4=(int **)&p;printf("%d",**4);

}

o/p-

3-@ foat =1@1;

$!i(==1@1){

printf("An%f",);

=8-@1;}

o/p no o#tp#t

31@ int =3,=-,+;

$!i (9=-)

{88;

>>;

if(==)ontin#;

printf("An%d%d",,);

}


74/626

o/p 1

1 - 3

81

3@ int =,=-,+;

$!i(9=-)

{if(==)

'raB;

printf("An%d%d",,);88;

>>;

}

o/p -

3 1

33@ int i=-;

for(i=1;i=5;printf("An%d",i));i>>;

o/p infinit 1[

3@ int i;

for(;i;)

printf("An Hr i om mai for o#");

35@ int i=1, j=1;for(;;)

{

if(i95)

'raB;

j>=i;

printf("An%d",j);i>=j;

}

o/p 5

3:@ !ar #it=3;

$it!(#it)

{


75/626

a 1

printf("An Liamond");

a printf("An Kpad");

dfa#t

printf("An Hart");}

o/pHart

3-

printf("AnVarBt ar pri");

a /

printf("Annvtor ar mood");a %5

printf("AnEtat mpo ar good");

}

o/p Etat mpo ar good

32@ int B;

foat j=@-;

$it!(B=j>1)


76/626

{

a 3

printf("An Trappd");'raB;

dfa#t

printf("An Fa#g!t");}

o/pTrappd

-@int !=0a0>0'0;

$it!(!){

a 0a0

a 0'0

printf("An]o# ntrd '");a 0E0

printf("Ana a in a!ar");a 0'0 > 0a0

printf("An ]o# ntrd a and '");

}

o/p ]o# ntrd a and '

1@ int i=1;

$it!(i8)

{a 81

printf("AnRding Ri!");

a -printf("An Nding gra");

a 1

printf("An Vnding roof");

dfa#t printf("An ^#t to #rviv");

}

@ int =5;

printf("%d%d%d",==5,=5-,


77/626

@ int =5-;

printf("%d%d%d",i));

o/p 1-,-,3-,-,5-

@ int '67={-,-,-,-,5};

int i,*B;

B=';for(i=-;i=;i>>)

{printf("An%d",*B);

B>>;

}

o/p -,-,-,-,5

3@ !ar 67="Go t$o vir# $orB imiar";

int i=-;

$!i (6i7W=-){

printf("An%",*(>i));

printf("An%",*(i>));i>>;

}

@ !ar 67="F!#r!gatno !#r! no gat";

!ar t657;

!ar *,*tt;=;

$!i(*W=0A-0)

*>>=*tt>>;printf("An%",t);

o/prror


78/626

5@ int arr67={1-,-,3:,);

if(j==B)

printf("T! t$o pointr point to t! am oation");

printf("T! t$o pointr do not point to t! am oation");

o/p T! t$o pointr point to t! am oation

:@ in#dtdio@!9

void main()

{int 6767={

{,},

{3,3} };

int i,j;

for(i=-;i;i>>)

for(j=-;j;j>>)

printf("%dAn",*(*(>i)>j));}

o/p 3 3


79/626


80/626

p=a;

printf("T! va# of * i %dAn",*p);

p>>;printf("Go$ t! va# of * i %dAn",*p);

15@ int a67={1-,-,3-,-,5-};

int *p;

p=a;printf("T! va# of a6-7 i %dAn",*p);

p>>;

*p=3--;

printf("Go$ t! va# of a617 i %dAn",a617);

1:@ int a67={1-,-,3-,-,5-};

int *p;p=a;

p=p*;printf("%d",*p);

1>;

printf(tr81,3--);}

12@ void main()

{

!ar *tr;tr="%";

printf(tr,"P");

}

-


81/626


82/626

{

printf("%f",pi);

anf("%f",&pi);printf("%f",pi);

}

:@ dfin mai(a,') a9'?a'

void main()

{

foat ,;

anf("%f%f",&,&);

printf("%f",mai(,));

}

(1) $!i! of t! foo$ing in giv/print t! o#tp#t -

void main()

{int1 int i=-;

in int *B,**j;

in3 j=&i;

in B=&j;in5 printf("An%d",i);

in: printf("An%d",**B);

inGJJ;

printf("%d",);


83/626


84/626


85/626

(1-)

void main(){

int i=-;

$!i(i3){

$it!(i)

{

a 1printf("a1");

a

printf("a");'raB;

dfa#tprintf("Lfa#t");

}

>>i;}

}

o/pdfa#t a1 a a

(11)

in#dtdio@!9

void main(){

!ar tr167="Ho";

!ar tr67="Ho"

if(tr1==tr)printf("An.4#a");

printf("AnGot 4#a");

}

-/p

.rror

5


86/626

(1)

$!i! on of t! ommnt in tatmnt i orrt

(1) /* !o $ord */

() //!o $ord//(3) */ !o $ord */

() /&!o $ord &/

En (1)

(13)

T! va# of .MR i QQQQQ

(1) GJJ ()-(3)81 ()1

En (3)

(1)

in#dtdio@!9

void main(){

int i;

for(i=;i=-;i88){

printf("%d",&i);

}}

Go o#tp#t

(15)

tr#t addr

{!ar it657;

!ar trt657;

};

tr#t mp

:


87/626

{

!ar nam6-7;

int mpno;tr#t addr *a;

};

tr#t mp *pmp;

Ho$ $i o# a it from t! *pmp;an pmp89a89it

(1:)

f o# $ant to aoat 'oB of mmor for a t of 5 intgr,$!i! $i o# #?

(a) mao (')ao

()nit!r (a)&(') (d)it!r (a)&(')

En(d)

(1


88/626


89/626


90/626

N!i! of t! a'ov in ar orrt?

En in1

(5)

in#dtdio@!9

void main()

{int i=1-;

printf("%d",i==1-);

}

o/p 1

(:)in#dtdio@!9

int gt();

void main()

{int =-;

=gt();

printf("%d ",);}

int gt(){

rt#rn(:-);

}

o/p :-

(


91/626

printf("%d ",a67617);

}

o/p -

()

in#dtdio@!9void main()

{

tati int a61--7;

int i;for(i=-;i;i>>)

printf("%d",a6i7);}

o/p - - - -

(2)

$!i! i 'ttr mmor aoation $!n i+ i not Bno$n

1)tati )dnami 3)'ot! )nit!r

an dnami

(3-)

tr#t it

{!ar nam61-7;

!ar addr6-7;

};

tr#t dtai

{

tr#t it ;

21


92/626

};

tr#t dtai *d;

Ho$ $i # a addr(mm'r)

1)d89@addr )d@@addr 3)d@89adddr

End89@addr

(31)

in#dtdio@!9

void main()

{

int arra67={1-,-,3-,-,5-},*p;

p=&arra6-7 > ; //p=arra>for(;p9=arra;p88)

printf("%d ",*p);

}

En5- - 3- - 1-

(3)

E ompt 'inar tr i

(a) non8af nod !av t$o !id

(') a ft #'tr t!an root and root t!an rig!t tr$!i! i orrt

1) a aon )' aon 3)nit!r (a) nor (')

(33)

JinBd it i 'ttr t!an arra 'a# of

1) inrtion )dtion 3)travra

a) (1) & () ') () & (3)

2


93/626

(3)

n t! do#' inBd it ,to add a n$ mnt in t! tai nod

(35)

in#dtdio@!9dfin $ipro main

void $ipro()

{

printf("main");

}

o/p main

(3:)

in#dtdio@!9

dfin o#tp#t(int) printf("%d ",int)

void main(){

int a=,'=3;

o#tp#t(a);o#tp#t(');

}

o/p 3

(3


94/626

o/p $om

(3)

N!i! on of t! foo$ing tatmnt i fa for 'inar ar! tr

1) root i t!an ft and rig!t #'tr

)root i t!an ft #'tr '#t gratr t!an rig!t

a) 1 on ') on )'ot! 1 and d)nig!r 1 nor

(32)

in#dtdio@!9

aaa(){

printf("!i");

}'''()

{

printf("!o");

}()

{

printf("'");}

void main()

{int (*ptr637)();

ptr6-7=aaa;

ptr617=''';

ptr67=;ptr617();

}

o/p !o

(-)

a=15,'=3,=5,d=3

2


95/626

a*'>8d

va#at t! prion

En>)

{for(j=-;j5;j>>)

{if(i==j)

'raB;

printf("$ipro");}

}

}

Ho$ man tim $ipro $i ' printd

o/p 1 tim

)

in#dtdio@!9

void main(){

int a=1-,'=1-;

a>=1;printf((a9')?"!i""!o");

}

o/p !i

25


96/626

3)

$!i! i not an oprator in ?

1)& )W 3)C )

)

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a)"==" ')"*" )">" d)"89"

5)

in#dtdio@!9

void main()

{tati int a657;

int i;for(i=-;i5;>>i)

printf("%d ",a6i7);

}

o/p - - - - -

:)

Ror aoating 'oB of 5 mnt of intgr tp,$!at $ $i #?

1)mao( ) or ao( ) )on mao

3)ao( ) )nit!r mao( ) nor ao( )

En (1)


97/626

{

tr#t mp 1={1,"!i"},*;

=&1;if(1==)

printf("Antr#t#r ar 4#a");

printf("Antr#t#r ar not 4#a");

}

En

rror

)

T! arg#mnt in a f#ntion a ar Bno$n a

a) Et#a paramtr ')Rorma paramtr

2)

in#dtdio@!9

void main(){

!ar *f#n();

!ar *;=f#n();

printf("%",);

}

!ar *f#n()

{

rt#rn("Ho");}

o/pHo

5-)

T! rang of #nignd intgr i QQQQQQQQQ

2


98/626

51)

prfi to infi

potfi to infi

5)N!i! i initiai+d a +ro

1)go'a varia' )tati varia'

3)rgitr varia' )trn varia'

a)(1) and () ') (1) and (3)

) (1),()and (3) d) (1),(),(3) and ()

En a

53)$!i! tatmnt #d to rad from fi

1)fgt )frad 3)fanf )anf

5)

in#dtdio@!9f#n1()

{

int a=5;tati int '=5;

a>>;

'>>;

printf("%d ",a);printf("%dAn",');

}

void main(){

f#n1();

f#n1();}

o/p

2


99/626


100/626

dfin TS. 1

dfin REJK. -

void main(){

if(TS.)

printf("Tr#");

printf("Ra");

}

o/p

Tr#

52)

in#dtdio@!9

void main(){

!ar tr167="Ho";

!ar tr67="Ho";if(tr1==tr)

printf("Tr#");

printf("Ra");}

o/pfa

:-)

N!i! of t! foo$ing i orrt

a) To rad a !aratr ' !aratr in fi gt i #d@

') To rad a !aratr ' !aratr in fi fgt i #d@) To rad a in ' in in a fi gt i #d@

d) To rad a in ' in in a fi fgt i #d@

En(a),(') and (d)

:1)

in#dtdio@!9

itn onQd67={1,,3};

void main()

1--


101/626

{

int *ptr;

ptr=onQd;ptr>=3;

printf("%d",*ptr);

}/*in#dtdio@!9

void main(){

int arra67 = {1-,-,3-,-,5-};

int *p;

p = &arra>;

for (;p9=arra; p88)

{ printf ("%d An", *p);

}}*/

//QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

QQQQQQQQ

/*in#dtdio@!9

tr#t it{

!ar nam61-7;

!ar *addr;};

tr#t dtai{

tr#t it ;

};

void main()

{

tr#t dtai *d1;

anf("%",d189@addr);}*/


QQQQQQQQ

1-1


102/626

/* E ompt 'inar tr !a

tatmnt 1 non8af nod!av t$o !idtatmnt E ft #'tr va# t!an root and root t!an rig!t tr

N!i! i orrt

1 aon

aonit!r 1 or

nit!r 1 nor */

//QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

/* n do#' inBd it, to add a n$ mnt in t! tai nod

1@ nd89nt = GJJ@ nd89 prv89nt = tai;

3 nd 8 9 prv = tai;

$!i! ordr i orrt

1 33 1

3 1 */


/*in#dtdio@!9

void main()

{int 67 ={@,3@,,@:,>)

{

printf("%d", *);>>4;

}

for (j=-; j=5; j>>)

{

printf("%d", *p);

>>4;

1-


103/626

}

}*/


/* N!i! of t! foo$ing i orrt

1@ ignd !ar rang i 81 to 1>i)

{

printf ("% An", );

>>;}

}*/


QQQQQQQQ

/*in#dtdio@!9

void main()

{int i, j;

for(i=-; i ; i>>)

{

for(j=-; j5; j>>)

1-3


104/626

{

if(i==j)

'raB;

printf ("$ipro");

}}

}*/


QQQQQQQQ

/*in#dtdio@!9

void main()

{

int i=;$it!(i)

{a

printf ("Fa");

a 1

printf ("Fa1");

'raB;

}}*/


/* N!n pointr i aign to n# pointr $!at $i ' t! o#tp#t

a@ ompi .rror

'@ r#ntim rror $!i aing t! pointr

@ om o#tp#t*/


QQQQQQQQ

/*in#dtdio@!9

void main()

{

int *p, j;

????

1-


105/626


106/626


107/626

/*in#dtdio@!9

void main(){

a#to int i=-;

tati int j=-;trn int B =-;

rgitr int =-;

i>>;

j>>;

B>>;

>>;

printf ("%d %d %d", i, j,);

}*/


QQQQQQQQ

/*in#dtdio@!9

void main()

{

ont !ar a="'";

}*///QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

QQQQQQQQ

/*in#dtdio@!9

void main(){

int i=1-;

$!i(>>i91-){

printf ("omt!ing");

}}*/


/*in#dtdio@!9

dfin m#(a) (a) * (a); /*T! $i aB # $!at $i ' t! dfin tatmnt to

1-


108/626

gt t! o#tp#t a !#ndrd and t! dfin tatmnt !av fo#r opiton@ T!i i

orrt option to gt t! o#tp#t*/

/*void main()

{

int r#t;r#t = m#(1-);

printf ("%d", r#t);}*/


QQQQQQQQ

/*in#dtdio@!9

tr#t a{

int no;int *no1;

int *no;

} *a1;

void main()

{

printf ("%d %d %d %d", i+of(a189no),i+of(a189no1), i+of(*a1), i+of(a1));}*/


/*in#dtdio@!9void main()

{

tati int a657;

int i;

for(i=-; i5; i>>){

printf ("%d", a6i7);

}}*/


QQQQQQQQ

1-


109/626

/*in#dtdio@!9

void main()

{

int i=1-;printf ("%d", i= =1-);

}*/


QQQQQQQQ

/*in#dtdio@!9void main()

{

int ,=:;

=>GJJ;printf("%d",);

} *///QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

QQQQQQQQ

/*in#dtdio@!9

void main()

{tati int arr617;

printf("%d",i+of(arr));

} *///QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

QQQQQQQQ

/*in#dtdio@!9

void main()

{

foat a67={1@,3@,5@>i)

printf("%f ",a6i7);}*/


QQQQQQQQ

//E #r8dfind f#ntion rt#rn a pointr (/Go)

1-2


110/626


111/626


112/626

int i=5;

printf ("%d", Ci);}*/


/*in#dtdio@!9

void main()

{

int i=1-;printf("%d ",i=5-);

}*/


QQQQQQQQ

/*in#dtdio@!9dfin H.JJM "!i"

void main()

{printf("H.JJM");

}*/


QQQQQQQQ

/*in#dtdio@!9

tr#t pron

{!ar *nam;

!ar *ag;

!ar *;

};tr#t mp

{

int a;tr#t pron *addr;

};

void main()

{

tr#t mp *1;

printf("%d",i+of(1));

11


113/626


114/626

printf("main");

}*/


QQQQQQQQ

/*in#dtdio@!9

void main(){

int a=1-,'=1-;

a>=1;

printf((a9')?"!i""!o");}*/


QQQQQQQQ

/*in#dtdio@!9tr#t mp

{

int i;!ar nam6157;

};

void main(){

tr#t mp 1={1,"!i"},*;

=&1;if(1==)

printf("Antr#t#r ar 4#a");

printf("Antr#t#r ar not 4#a");

}*/


:@ T! i+ of ong do#' i

a@ 't '@ 1- It @ Fompir Lpndnt

d@ T!r i no datatp ad ong do#'@En'


115/626


116/626

{

!ar *a'="n$ tt";

*t=*a';}

'@ n$ tt

@ ttd@ nt

@ Gon of t! a'ov

En:@ main()

{

!ar *f#n();

printf("%",f#n()); }

!ar * f#n()

{

!ar '#ffr67=YHo NordY; rt#rn '#ffr;

}

a) !o $ord ') Fompir rror

) Uar'ag Oa#

d) Gon of t! a'ov

an//if tati !ar '#ffr i #d it $o#d !av $orBd11@ main()

{

int a=1-,*p=&a,*4=p; *4>>;//vaid

printf(X%d %d %dY,a,*p,*4);

}a@ 11 11 11

'@ 1- 1- 11

@ Uar'ag va#;

d@ .rror Uar'ag va#//ata#a 1- 1- gar'ag

En

1@ dfin (a) a*adfin (') '>'

void main()

{printf(X%dY,(1-));

}

@ 1--

11:


117/626

f@ -

g@ --

!@ .rrorEnf

13@ void r(int);

void main(){

r(3);

}void r(int n)

{

if (n=-)

rt#rn; r(n81);

printf(X%dY,n);

r(88n);

}a@ 1 1 3 1 1

'@ - 1 -@ nfinit oop

d@ .rror

Ena1@ int +, =5,=81-,a=,'=;

+=>> 8 88 * ' / a;

N!at n#m'r $i + in t! amp od a'ov ontain?

a@ 5'@ :

@ 1-

d@ 11an

1-@ !ar* mR#n (!ar *ptr)

{ptr >= 3;

rt#rn (ptr);

}

int main(){

!ar *, *;

= "H.JJM";

= mR#n ();printf (" = % An", );

rt#rn -;

11


118/626

}

N!at $i print $!n t! amp od a'ov i #td?

a@ = H.JJM

'@ = .JJM

@ = JJMd@ = JM

End

11@ N!at $o#d ' t! o#tp#t?void main()

{

printf("%",>i;

}}

'@ Hi@ Nom

d@ Go o#tp#t

@ .rror En

1@ tr#t addr

{

!ar it657;!ar trt657;

};

tr#t mp

{!ar nam6-7;

int mpno;tr#t addr *a;

};

tr#t mp *pmp;

Ho$ $i o# a it from t! *pmp;

a@ pmp89a89it'@ pmp89*a@it

@ pmp89a@*it

d@ E t! a'ov@Ena //rt invaid

15@ in#dtdio@!9

int gt();void main()

{

int =-;

=gt();printf("%d ",);

}

int gt()

{

rt#rn(:-);}

'@ :-

@ Uar'ag

112


120/626

d@ .rror

@ Gon of t! a'ov

Ena1:@ N!at $o#d ' t! o#t p#t of t! foo$ing

void main()

{int a=1-,'=-,=3-;

a>> __ '8- && >>;

printf("%d %d %d",a,',);}

a@ 11 - 31

'@ 11 - 3-

@ 11 - 3-d@ .rror

En

1


121/626

}

(a)- (')< ()3 (d)Go M#tp#t

Ga1@ a#to int a=5;

void main()

{ printf("%d",a);

}

(a)Fompi8Tim rror (')S#n8Tim rror ()5(d)nprdita'

Ena//a#to annot ' dard o#tid an f#tion

@ main()

{ int a=1;

if (a)

printf("Tt");

; printf("Egain");

}(a)Egain (')Tt ()Fompi8Tim .rror

(d)TtEgain

En'3@

void main()

{

foat i; for (i=-@1; i-@; i>=-@1)

printf("%@1f",i);

}(a)-@1-@-@3 (')Fompi8Tim .rror ()S#n8Tim .rror (d)Go

M#tp#t

Ena

@oint o#t t! rror if an

#include

main(){

struct xx

{int x;

struct yy

{char s;

struct xx *p;

};//name sud be gien!.

struct yy *";

11


122/626

};

}

a@ Fompi tim rror

'@ S#n tim rror

@ Go rror@d@ Fompir dpndnt

ana

5@ Hap

1) i a rgion from $!r mmor i aoatd

) i 't$n o# program and t! taB3) i a finit ara

) a of t! a'ov

En

:@ rdit t! o#tp#tint a = , ' =


123/626

void main()

{

int n; !ar *tr = "3@2";n = atoi(tr); printf("%d",n);

}

a) 3--

') 3

) 32d) 2

En3

3-@ in#dtdio@!9

void main(){ printf("%d"); }

a) rror

') no o#tp#t) %d

d) -End

31@ in#dtdio@!9

void main(){

int a = 3:, ' = 2;

printf("%d",a99a/'8);

}

a) 2

') 1));

}anUood Vorning Uood .vning

3:) $!i! on of t! foo$ing i inorrt?

a) ignd !ar a;

133


134/626


135/626

'aB='aB89ft;

}

rvr printing

) tr#t nod

{int data;

tr#t nod *ft,*rig!t;

};#ppo tart and nd ar t! pointr pointing to t! 'ginning and nding nod

raptiv@t!n,$!at $i ' t! o#tp#t of t! foo$ing nippt

front=tart;

'aB=nd;$!i((frontW='aB)&&('aB89ftW=front))

{

tmp=front89data;

front89data='aB89data; 'aB89data=tmp;

}

3) t! daration of t! pintr to an arra ofint !aving t! nam iptr i 8888888888888888888a) int *iptr

') int &iptr

) int *&iptr

d)iptr *int

ana

) int onQd={-,1,}; main()

{

int *ptr;ptr=onQd;

ptr>=3;

printf("%d",*ptr);

}anrror

5) tr#t a

{ !ar *';

!ar *;

!ar *d; };

tr#t

{

!ar *f;

135


136/626

tr#t a *g;

}a';

printf("%d",i+of(a'));

an

:) tr#t a

{

!ar *'; !ar *;

!ar *d;

};

tr#t {

!ar *f;

tr#t a g;

}a';printf("%d",i+of(a'));

an


137/626


138/626

5:) T! arg#mnt in a f#ntion a i Bno$n a 888888888888888888888

a) forma arg#mnt

') at#a arg#mnt

5>);

printf("%d",i);}

an1-

5) int i=1-;main()

{

int i=-;

{int i=3-;

printf("%d",i);}

printf("%d",i);

}an3--

52) void f#n();

main(){

f#n();

}void f#n()

{

printf("good");}

angood

:-) void main(){

int i=1-;j=-,B=3-,=-,m;

int *a67;a6-7=&i;

a617=&j;

a67=&B;a637=&;

for(m=-;m;m>>)

printf("%d",*a6m7);

}

13


139/626

an1--3--

:1) if t! inrtion i mad on at t! 'ginning t!n $!i! data tr#t#r i #da) arra

') taB

) 4##d) inBd it

:) to a t! t! mnt in t! arra 0n#m0 $ nd 8888888888888a) n#m67

') n#m617

)n#m637

d) non of t! a'ov

:3) void main()

{ !ar *a6 7={"L!arma","H$tt paBard","G$ it","i'm"};

!ar **ptr=a; printf("%",>>*p);

printf("%",*p>>);

printf("%",*p);}

an!arma!armaH$tt paBard

:)

F #tion

ote 0 E t! program ar ttd #ndr T#r'o F/F>> ompir@t i a#md t!at,

rogram r#n #ndr LMK nvironmnt,

T! #ndring ma!in i an : tm,

rogram i ompid #ing T#r'o F/F>> ompir@

T! program o#tp#t ma dpnd on t! information 'ad on t!i a#mption

(for amp i+of(int) == ma ' a#md)@

rdit t! o#tp#t or rror() for t! foo$ing

'. oid main()

132


140/626


141/626

:. main()

{static int ar 1;

print%($d $&ar);

i%(ar) main();

}

2nser05 3 1

3xplanation0

N!nstatictorag a i givn, it i initiai+d on@ T! !ang in t!

va# of astatic varia' i rtaind vn 't$n t! f#ntion a@ Vain i ao tratdiB an ot!r ordinar f#ntion, $!i! an ' ad r#riv@

1. main()

{ int c5 6{4.&7.:&:&=.&1};

int ?&*pc&*"c;%or(?,;?


142/626

pifi to t! ompir t!at t! mmor for i i aoatd in om ot!r program and

t!at addr $i ' givn to t! #rrnt program at t! tim of inBing@ I#t inBr find

t!at no ot!r varia' of nam i i avaia' in an ot!r program $it! mmor paaoatd for it@ Hn a inBr rror !a o#rrd @

. main(){

int i'&?'&A,&l4&m;

mi--BB?--BBA--CCl--;print%($d d d d d$&i&?&A&l&m);

}

2nser0

- - 1 3 13xplanation 0

Jogia opration a$a giv a r#t of 1 or - @ End ao t! ogia

EGL (&&) oprator !a !ig!r priorit ovr t! ogia MS (__) oprator@ Ko t!

prion `i>> && j>> && B>>[ i #td firt@ T! r#t of t!i prion i - (81 && 81 && - = -)@ Go$ t! prion i - __ $!i! va#at to 1 ('a# MS

oprator a$a giv 1 pt for `- __ -[ om'ination8 for $!i! it giv -)@ Ko t! va#of m i 1@ T! va# of ot!r varia' ar ao inrmntd ' 1@

. main()

{char *p;

print%($d d $&siDeo%(*p)&siDeo%(p));

}

2nser0

1 3xplanation0

T! i+of() oprator giv t! n#m'r of 't taBn ' it oprand@ i

a !aratr pointr, $!i! nd on 't for toring it va# (a !aratr)@ Hni+of(*p) giv a va# of 1@ Kin it nd t$o 't to tor t! addr of t! !aratr

pointr i+of(p) giv @

E. main(){

int i7;

sitch(i){

de%ault0print%($Dero$);

case '0 print%($one$); breaA;

case 40print%($to$);

breaA;

case 70 print%($three$);

1


143/626

breaA;

}

}2nser 0

t!r

3xplanation 0T! dfa#t a an ' pad an$!r inid t! oop@ t i #td

on $!n a ot!r a don0t mat!@

',. main()

{

print%($x$&'


144/626

Hr #nar min# (or ngation) oprator i #d t$i@ Kam mat! r#

appi, i@ min# * min#= p#@

GotHo$vr o# annot giv iB 88@ Ia# 88 oprator an on '

appid to varia' a a drmnt oprator (g@, i88)@ i a ontant and not a varia'@

'7. #de%ine int char

main()

{int i=1;

print%($siDeo%(i)d$&siDeo%(i));

}

2nser0 i+of(i)=1

3xplanation0

Kin t! dfin rpa t! tring int ' t! maro !ar

':. main()

{int i',;

ii>':;

Irint% ($id$&i);

}2nser0

i=-

3xplanation0

n t! prion Wi91 , GMT (W) oprator !a mor prdn t!an ` 9[m'o@ W i a #nar ogia oprator@ Wi (W1-) i - (not of tr# i fa)@ -91 i fa

(+ro)@

'1. #include

main()

{

char s56{a&b&c&+n&c&+,};char *p&*str&*str';

pBs576;

strp;str's;

print%($d$&--*p - --*str'74);

}2nser0


145/626

p i pointing to !aratr 0An0@ tr1 i pointing to !aratr 0a0 >>*p@ "p i pointing

to 0An0 and t!at i inrmntd ' on@" t! EKF va# of 0An0 i 1-, $!i! i t!n

inrmntd to 11@ T! va# of >>*p i 11@ >>*tr1, tr1 i pointing to 0a0 t!at iinrmntd ' 1 and it 'om 0'0@ EKF va# of 0'0 i 2@

Go$ prforming (11 > 2 Z 3), $ gt


146/626

int x;

struct yy

{char s;

struct xx *p;

};struct yy *";

};

}2nser0

Fompir .rror

3xplanation0

T! tr#t#r i ntd $it!in tr#t#r @ Hn, t! mnt ar of ar to ' ad t!ro#g! t! intan of tr#t#r , $!i! nd an intan of

to ' Bno$n@ f t! intan i ratd aftr dfining t! tr#t#r t! ompir $i not

Bno$ a'o#t t! intan rativ to @ Hn for ntd tr#t#r o# !av to dar

mm'r@

'E. main(){

print%($+nab$);

print%($+bsi$);

print%($+rha$);}

2nser0

!ai3xplanation0

An 8 n$in

A' 8 'aBpaAr 8 infd

4,. main(){

int i1;

print%($dddddd$&i--&i&--i&i&i);

}2nser0

555

3xplanation0T! arg#mnt in a f#ntion a ar p#!d into t! taB from ft to

rig!t@ T! va#ation i ' popping o#t from t! taB@ and t! va#ation i from rig!t to

ft, !n t! r#t@

4'. #de%ine s"uare(x) x*x

main()

{

1:


147/626

int i;

i =:/s"uare(:);

print%($d$&i);}

2nser0

:3xplanation0

t! maro a 4#ar() $i #'tit#td ' * o t! prion 'om

i = :/* @ Kin / and * !a 4#a priorit t! prion $i ' va#atd a (:/)*i@@ 1:* = :

44. main()

{char *p$hai %riends$&*p';

p'p;

hile(*p+,) --*p--;

print%($s s$&p&p');}

2nser0i'jWgjfot

3xplanation0

>>*p>> $i ' par in t! givn ordr

*p t!at i va# at t! oation #rrnt pointd ' p $i ' taBn

>>*p t! rtrivd va# $i ' inrmntd

$!n ; i no#ntrd t! oation $i ' inrmntd t!at i p>> $i ' #tdHn, in t! $!i oop initia va# pointd ' p i `![, $!i! i !angd to ì[ '

#ting >>*p and pointr mov to point, à[ $!i! i imiar !angd to `'[ and o

on@ Kimiar 'anB pa i onvrtd to `W[@ T!#, $ o'tain va# in p 'om Xi'jWgjfotY and in p ra! À-[ and p1 point to p t!# p1donot print ant!ing@

47. #include

#de%ine a ',main()

{

#de%ine a 1,print%($d$&a);

}

2nser0

5-3xplanation0

T! prproor dirtiv an ' rdfind an$!r in t! program@ Ko

t! mot rnt aignd va# $i ' taBn@

4:. #de%ine clrscr() ',,

main(){

1


148/626


149/626

printf("%d@@%d@@%d",IJEFP,IJ.,US..G);

rt#rn(1);}

2nser0

-@@1@@3xplanation0

n#m aign n#m'r tarting from -, if not piit dfind@

2) void main()

{

!ar far *fart!r,*fart!t;

printf("%d@@%d",i+of(fart!r),i+of(fart!t));

}

2nser0@@

3xplanation0 t! ond pointr i of !ar tp and not a far pointr

3-) main(){

int i=--,j=3--;

printf("%d@@%d");

}2nser0

--@@3--

3xplanation0printf taB t! va# of t! firt t$o aignmnt of t! program@ En

n#m'r of printf0 ma ' givn@ E of t!m taB on t! firt t$o

va#@ f mor n#m'r of aignmnt givn in t! program,t!n printf$i taB gar'ag va#@

31) main()

{!ar *p;

p="Ho";

printf("%An",*&*p);}

2nser0

H3xplanation0

* i a drfrn oprator & i a rfrn oprator@ T! an '

appid an n#m'r of tim providd it i maningf#@ Hr p point to

t! firt !aratr in t! tring "Ho"@ *p drfrn it and o it va#

12


150/626

i H@ Egain & rfrn it to an addr and * drfrn it to t! va#

H@

3) main()

{

int i=1; $!i (i=5)

{

printf("%d",i); if (i9)

goto !r;

i>>;

}}

f#n()

{

!r printf("");

}2nser0

Fompir rror ndfind a' 0!r0 in f#ntion main

3xplanation0Ja' !av f#ntion op, in ot!r $ord T! op of t! a' i

imitd to f#ntion @ T! a' 0!r0 i avaia' in f#ntion f#n() Hn it

i not vii' in f#ntion main@

33) main()

{

tati !ar nam6576-7={"paa","ada","o'o","fortran","pr"}; int i;

!ar *t;

t=nam637; nam637=nam67;

nam67=t;

for (i=-;i=;i>>)

printf("%",nam6i7);}

2nser0

Fompir rror Jva# r4#ird in f#ntion main3xplanation0

Erra nam ar pointr ontant@ Ko it annot ' modifid@

3) void main()

{

int i=5;

printf("%d",i>> > >>i);

15-


151/626

}

2nser0

M#tp#t Fannot ' prditd at@3xplanation0

Kid fft ar invovd in t! va#ation of i

35) void main()

{

int i=5;printf("%d",i>>>>>i);

}

2nser0

Fompir .rror3xplanation0

T! prion i>>>>>i i pard a i >> >> > i $!i! i an iga

om'ination of oprator@

3:) in#dtdio@!9

main(){

int i=1,j=;

$it!(i){

a 1 printf("UMML");

'raB;

a j printf("IEL"); 'raB;

}

}2nser0

Fompir .rror Fontant prion r4#ird in f#ntion main@

3xplanation0T! a tatmnt an !av on ontant prion (t!i impi t!at

$ annot # varia' nam dirt o an rror)@

Got

.n#mratd tp an ' #d in a tatmnt@

3


152/626


153/626

i@@ (11>283)=


154/626

JinBr rror #ndfind m'o 0Qi0@

3xplanation0

trn daration pifi t!at t! varia' i i dfind om$!r @T! ompir pa t! trna varia' to ' rovd ' t! inBr@ Ko

ompir don0t find an rror@ L#ring inBing t! inBr ar! for t!

dfinition of i@ Kin it i not fo#nd t! inBr fag an rror@

) main()

{printf("%d", o#t);

}

int o#t=1--;

2nser0Fompir rror #ndfind m'o o#t in f#ntion main@

3xplanation0

T! r# i t!at a varia' i avaia' for # from t! point of daration@

.vn t!o#g! a i a go'a varia', it i not avaia' for main@ Hn anrror@

5) main()

{

trn o#t;printf("%d", o#t);

}

int o#t=1--;

2nser01--

3xplanation0

T!i i t! orrt $a of $riting t! prvio# program@

:) main()

{!o$();

}

void !o$()

{printf("0m t! gratt");

}

2nser0Fompir rror Tp mimat! in rdaration of !o$@

3xplanation0

N!n t! ompir t! f#ntion !o$ it don0t Bno$ ant!ing a'o#tit@ Ko t! dfa#t rt#rn tp (i, int) i a#md@ I#t $!n ompir

t! at#a dfinition of !o$ mimat! o#r in it i dard a void@

Hn t! rror@

T! o#tion ar a foo$

15


155/626


156/626

3xplanation0

.rror i in in $it! tatmnt a>>@ T! oprand m#t ' an va# and

ma ' of an of aar tp for t! an oprator, arra nam on $!n#'riptd i an va#@ Kimp arra nam i a non8modifia' va#@

2) main( ){

tati int a6 7 = {-,1,,3,};

int *p6 7 = {a,a>1,a>,a>3,a>};int **ptr = p;

ptr>>;

printf(XAn %d %d %dY, ptr8p, *ptr8a, **ptr);

*ptr>>;printf(XAn %d %d %dY, ptr8p, *ptr8a, **ptr);

*>>ptr;

printf(XAn %d %d %dY, ptr8p, *ptr8a, **ptr);

>>*ptr;printf(XAn %d %d %dY, ptr8p, *ptr8a, **ptr);

}2nser0

'''

444

7777::

3xplanation0

Jt # onidr t! arra and t! t$o pointr $it! om addra

- 1 3 1-- 1- 1- 1-: 1-

p

1-- 1- 1- 1-: 1-

1--- 1-- 1-- 1--: 1--

ptr

1---

---

Eftr #tion of t! intr#tion ptr>> va# in ptr 'om 1--, ifaing fator for intgr i 't@ Go$ ptr Z p i va# in ptr Z tarting

oation of arra p, (1-- Z 1---) / (aing fator) = 1, *ptr Z a = va# at

addr pointd ' ptr Z tarting va# of arra a, 1-- !a a va# 1- ot! va# i (1- Z 1--)/(aing fator) = 1, **ptr i t! va# tord in

t! oation pointd ' t! pointr of ptr = va# pointd ' va# pointd

' 1-- = va# pointd ' 1- = 1@ Hn t! o#tp#t of t! fir printf i

1, 1, 1@Eftr #tion of *ptr>> inrmnt va# of t! va# in ptr ' aing

fator, o it 'om1--@ Hn, t! o#tp#t for t! ond printf ar ptr

Z p = , *ptr Z a = , **ptr = @

15:


157/626

Eftr #tion of *>>ptr inrmnt va# of t! va# in ptr ' aing

fator, o it 'om1--@ Hn, t! o#tp#t for t! t!ird printf ar ptr Z

p = 3, *ptr Z a = 3, **ptr = 3@Eftr #tion of >>*ptr va# in ptr rmain t! am, t! va# pointd

' t! va# i inrmntd ' t! aing fator@ Ko t! va# in arra p at

oation 1--: !ang from 1-: 1- 1-,@ Hn, t! o#tp#t for t! fo#rt!printf ar ptr Z p = 1--: Z 1--- = 3, *ptr Z a = 1- Z 1-- = , **ptr = @

5-) main( ){

!ar *4;

int j;

for (j=-; j3; j>>) anf(X%Y ,(4>j));for (j=-; j3; j>>) printf(X%Y ,*(4>j));

for (j=-; j3; j>>) printf(X%Y ,(4>j));

}

3xplanation0Hr $ !av on on pointr to tp !ar and in $ taB inp#t in t!

am pointr t!# $ Bp $riting ovr in t! am oation, a! tim!ifting t! pointr va# ' 1@ K#ppo t! inp#t ar VMK., TSEFP

and OSTEJ@ T!n for t! firt inp#t #ppo t! pointr tart at

oation 1-- t!n t! inp#t on i tord a

V M K . A-

N!n t! ond inp#t i givn t! pointr i inrmntd a j va#'om 1, o t! inp#t i fid in mmor tarting from 1-1@

V T S E F P A-

T! t!ird inp#t tart fiing from t! oation 1-

V T O S T E J A-T!i i t! fina va# tord @

T! firt printf print t! va# at t! poition 4, 4>1 and 4> = V T OT! ond printf print t!r tring tarting from oation 4, 4>1, 4>

i@ VTOSTEJ, TOSTEJ and OSTEJ@

51) main( )

{

void *vp;

!ar ! = `g[, *p = XgoofY;int j = -;

vp = &!;printf(X%Y, *(!ar *)vp);vp = &j;

printf(X%dY,*(int *)vp);

vp = p;printf(X%Y,(!ar *)vp > 3);

}

2nser0

15


158/626

g-f

3xplanation0

Kin a void pointr i #d it an ' tp atd to an ot!r tp pointr@vp = &! tor addr of !ar ! and t! nt tatmnt print t! va#

tord in vp aftr tp ating it to t! propr data tp pointr@ t! o#tp#t

i `g[@ Kimiar t! o#tp#t from ond printf i `-[@ T! t!ird printftatmnt tp at it to print t! tring from t! t!va# !n t!

o#tp#t i `f[@

5) main ( )

{

tati !ar *6 7 = {X'aBY, X$!itY, Xo$Y, XviotY};

!ar **ptr6 7 = {>3, >, >1, }, ***p;p = ptr;

**>>p;

printf(X%Y,*88*>>p > 3);

}2nser0

B3xplanation0

n t!i pro'm $ !av an arra of !ar pointr pointing to tart of

tring@ T!n $ !av ptr $!i! i a pointr to a pointr of tp !ar and avaria' p $!i! i a pointr to a pointr to a pointr of tp !ar@ p !od

t! initia va# of ptr, i@@ p = >3@ T! nt tatmnt inrmnt va# in

p ' 1 , t!# no$ va# of p = >@ n t! printf tatmnt t! prion

i va#atd *>>p a# gt va# >1 t!n t! pr drmnt i#td and $ gt >1 Z 1 = @ t! indirtion oprator no$ gt t!

va# from t! arra of and add 3 to t! tarting addr@ T! tring i

printd tarting from t!i poition@ T!#, t! o#tp#t i `B[@

53) main()

{int i, n;

!ar * = XgirY;

n = trn();

* = 6n7;for(i=-; in; >>i)

{

printf(X%AnY,);>>;

}

}2nser0

('anB pa)

ir

r

15


159/626


160/626

a fB(ptr,-,K..PQK.T);

' fB(ptr,-,K..PQFS);

2nser 0

a T! K..PQK.T t t! fi poition marBr to t! tarting of t! fi@

' T! K..PQFS t t! fi poition marBr to t! #rrnt poitionof t! fi@

5) main(){

!ar nam61-7,617;

anf(" A"%6DA"7A"",);

}Ho$ anf $i #t?

2nser0

Rirt it !B for t! ading $!it pa and diard it@T!n it mat!

$it! a 4#otation marB and t!n it rad a !aratr #pto anot!r4#otation marB@

52) N!at i t! pro'm $it! t! foo$ing od gmnt?

$!i ((fgt(riving arra,5-,fiQptr)) W= .MR)

;

2nser B 3xplanation0fgt rt#rn a pointr@ Ko t! orrt nd of fi !B i !Bing for W=

GJJ@

:-) main()

{

main();}

2nser0

S#ntim rror KtaB ovrfo$@3xplanation0

main f#ntion a itf again and again@ .a! tim t! f#ntion i ad

it rt#rn addr i tord in t! a taB@ Kin t!r i no ondition to

trminat t! f#ntion a, t! a taB ovrfo$ at r#ntim@ Ko ittrminat t! program and r#t in an rror@

:1) main(){

!ar *ptr,;

void *vptr,v;=1-; v=-;

ptr=&; vptr=&v;

printf("%%v",,v);

}

1:-


161/626


162/626

2nser0

TS.

3xplanationT! inp#t program to t! ompir aftr proing ' t! prproor i,

main(){

if(-) p#t("GJJ");

if(81)

p#t("TS.");

p#t("REJK.");

}

rproor don0t rpa t! va# givn inid t! do#' 4#ot@T! !B ' if ondition i 'ooan va# fa o it go to @ n

ond if 81 i 'ooan va# tr# !n "TS." i printd@

:5) main(){

int B=1;printf("%d==1 i ""%",B,B==1?"TS.""REJK.");

}

2nser01==1 i TS.

3xplanation0

N!n t$o tring ar pad togt!r (or paratd ' $!it8pa) t!

ar onatnatd (t!i i ad a "tringi+ation" opration)@ Ko t! tringi a if it i givn a "%d==1 i %"@ T! onditiona oprator( ? )

va#at to "TS."@

::) main()

{

int ;anf("%d",&); // inp#t givn i ---

if( (%==- && %1-- W= -) __ %1-- == - )

printf("%d i a ap ar");

printf("%d i not a ap ar");

}

2nser0--- i a ap ar

3xplanation0

En ordinar program to !B if ap ar or not@

:


163/626

{

tpdf !ar arr6ma7;

arr1 it={-,1,,3,};arr nam="nam";

printf("%d %",it6-7,nam);

}2nser0

Fompir rror (in t! in arr1 it = {-,1,,3,})

3xplanation0arr i dard of tp arra of i+ 5 of !aratr@ Ko it an ' #d to

dar t! varia' nam of t! tp arr@ I#t it i not t! a of arr1@

Hn an rror@

S# of T!#m'dfin ar #d for tt#a rpamnt $!ra tpdf ar #d for

daring n$ tp@

:) int i=1-;main()

{ trn int i;

{

int i=-;{

ont voati #nignd i=3-;

printf("%d",i);

} printf("%d",i);

}

printf("%d",i);}

2nser0

3-,-,1-3xplanation0

0{0 introd# n$ 'oB and t!# n$ op@ n t! innrmot 'oB i i

dard a,

ont voati #nignd$!i! i a vaid daration@ i i a#md of tp int@ Ko printf print 3-@ n

t! nt 'oB, i !a va# - and o printf print -@ n t! o#trmot

'oB, i i dard a trn, o no torag pa i aoatd for it@ Eftrompiation i ovr t! inBr rov it to go'a varia' i (in it i t!

on varia' vii' t!r)@ Ko it print i0 va# a 1-@

:2) main()

{

int *j;

{

1:3


164/626

int i=1-;

j=&i;

} printf("%d",*j);

}

2nser01-

3xplanation

T! varia' i i a 'oB v varia' and t! vii'iit i inid t!at'oB on@ I#t t! iftim of i i iftim of t! f#ntion o it iv #pto

t! it of main f#ntion@ Kin t! i i ti aoatd pa, *j print t!

va# tord in i in j point i@

i; printf("%d %f", i,>>j);

}

2nser

Fompir rror3xplanation

i i a ontant@ o# annot !ang t! va# of ontant


165/626

printf("%d@@%d",*p,*4);

}

2nser0gar'agva#@@1

3xplanation0

p=&a676767 o# dar on t$o L arra@ '#t o# ar tring toa t! t!ird L($!i! o# ar not dard) it $i print gar'ag

va#@ *4=***a tarting addr of a i aignd intgr pointr@ no$ 4 i

pointing to tarting addr of a@if o# print *4 mEn$rit $i print firtmnt of 3L arra@


166/626


167/626

2

3xplanation0

rt#rn(i>>) it $i firt rt#rn i and t!n inrmnt@ i@@ 1- $i 'rt#rnd@

>;

4>>;r>>;

printf("%p@@@%p@@@%p",p,4,r);

}

2nser0---1@@@---@@@---

3xplanation0>> oprator $!n appid to pointr inrmnt addr aording to

t!ir orrponding data8tp@

-) main()

{

!ar =0 0,,onvrt(+);

gt();if((9=0a0) && (=0+0))

=onvrt();

printf("%",);}

onvrt(+)

{ rt#rn +83;

}

2nser0

Fompir rror3xplanation0

daration of onvrt and format of gt() ar $rong@

1) main(int arg, !ar **argv)

{

printf("ntr t! !aratr");gt!ar();

#m(argv617,argv67);

}

#m(n#m1,n#m)

1:


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int n#m1,n#m;

{

rt#rn n#m1>n#m;}

2nser0

Fompir rror@3xplanation0

argv617 & argv67 ar tring@ T! ar pad to t! f#ntion #m $it!o#t

onvrting it to intgr va#@

) in#d tdio@!9

int onQd67={1,,3};

main(){

int *ptr;

ptr=onQd;

ptr>=3;printf("%d",*ptr);

}2nser

gar'ag va#

3xplanation0ptr pointr i pointing to o#t of t! arra rang of onQd@

3) in#dtdio@!9

aaa() { printf("!i");

}

'''(){printf("!o");

}

(){printf("'");

}

main()

{ int (*ptr637)();

ptr6-7=aaa;

ptr617='''; ptr67=;

ptr67();

}2nser

'

3xplanation0

1:


169/626

ptr i arra of pointr to f#ntion of rt#rn tp int@ptr6-7 i aignd to

addr of t! f#ntion aaa@ Kimiar ptr617 and ptr67 for ''' and

rptiv@ ptr67() i in fft of $riting (), in ptr67 point to @

5) in#dtdio@!9

main(){

RJ. *ptr;

!ar i;ptr=fopn("+++@","r");

$!i((i=fgt!(ptr))W=.MR)

printf("%",i);

}2nser0

ontnt of +++@ foo$d ' an infinit oop

3xplanation0

T! ondition i !Bd againt .MR, it !o#d ' !Bd againtGJJ@

:) main()

{

int i =-;j=-;if(i && j>>)

printf("%d@@%d",i>>,j);

printf("%d@@%d,i,j);

}2nser0

-@@-

3xplanation0T! va# of i i -@ Kin t!i information i no#g! to dtrmin t! tr#t!

va# of t! 'ooan prion@ Ko t! tatmnt foo$ing t! if

tatmnt i not #td@ T! va# of i and j rmain #n!angd and gtprintd@


170/626

3xplanation0

Gorma t! rt#rn va# from t! f#ntion i t!ro#g! t! information

from t! a#m#ator@ Hr QEH i t! p#do go'a varia' dnotingt! a#m#ator@ Hn, t! va# of t! a#m#ator i t 1--- o t!

f#ntion rt#rn va# 1---@

) int i;

main(){

int t;for ( t=;anf("%d",&i)8t;printf("%dAn",i))

printf("%d88",t88);

}

// f t! inp#t ar -,1,,3 find t! o/p2nser0

88-

3881

883xplanation0

Jt # a#m om = anf("%d",&i)8t t! va# d#ring #tion$i ',

t i

- 8 3 1 8

-

2) main(){ int a= -;int ' = -;!ar =1;!ar =1-;

if(a,',,)

printf("!o");}

2nser0

!o3xplanation0

T! omma oprator !a aoiativit from ft to rig!t@ Mn t!

rig!tmot va# i rt#rnd and t! ot!r va# ar va#atd and ignord@

T!# t! va# of at varia' i rt#rnd to !B in if@ Kin it i a non+ro va# if 'om tr# o, "!o" $i ' printd@

2-) main(){#nignd int i;

for(i=1;i98;i88)

printf(" aptit#d");}

3xplanation0

i i an #nignd intgr@ t i ompard $it! a ignd va#@ Kin t! 'ot!

tp don0t mat!, ignd i promotd to #nignd va#@ T! #nignd

1


171/626


172/626

2) main(){

!ar a61--7;a6-7=0a0;a6177=0'0;a67=00;a67=0d0;

a'(a);

}a'(!ar a67){

a>>;

printf("%",*a);a>>;

printf("%",*a);

}

3xplanation0T! 'a addr i modifid on in f#ntion and a a r#t a point to 0'0

t!n aftr inrmnting to 00 o ' $i ' printd@

25) f#n(a,')int a,';

{rt#rn( a= (a==') );

}

main(){

int pro(),f#n();

printf("T! va# of pro i %d WAn ",pro(f#n,3,:));

}pro(pf,va1,va)

int (*pf) ();

int va1,va;{

rt#rn((*pf) (va1,va));

}2nser0

T! va# if pro i - W

3xplanation0

T! f#ntion 0pro0 !a 3 paramtr 8 1, a pointr to anot!r f#ntion and 3, intgr@ N!n t!i f#ntion i invoBd from main, t! foo$ing

#'tit#tion for forma paramtr taB pa f#n for pf, 3 for va1 and :

for va@ T!i f#ntion rt#rn t! r#t of t! opration prformd ' t!f#ntion 0f#n0@ T! f#ntion f#n !a t$o intgr paramtr@ T! forma

paramtr ar #'tit#td a 3 for a and : for '@ in 3 i not 4#a to :,

a==' rt#rn -@ t!rfor t! f#ntion rt#rn - $!i! in t#rn i rt#rnd' t! f#ntion 0pro0@

2:) void main()

{

1


173/626

tati int i=5;

if(88i){

main();printf("%d ",i);

}

}2nser0

- - - -

3xplanation0T! varia' "" i dard a tati, !n mmor for $i ' aoatd

for on on, a it no#ntr t! tatmnt@ T! f#ntion main() $i ' ad

r#riv #n 'om 4#a to -, and in main() i r#riv ad, o

t! va# of tati i@, - $i ' printd vr tim t! ontro i rt#rnd@

2>B);

}int rt(int rt)

{

rt >= @5;rt#rn(rt);

}

2nser0

Hr va# i >i);}

2nser0

!r in 3 :3xplanation0

T! !ar arra 0a0 $i !od t! initiai+d tring, $!o ngt! $i '

o#ntd from

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