C Code Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Code Interview Questions

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main() { char *cptr,c; void *vptr,v; c=10; v=0; cptr=&c; vptr=&v; printf("%c%v",c,v); }

1 11830

main() { char *str1="abcd"; char str2[]="abcd"; printf("%d %d %d",sizeof(str1),sizeof(str2),sizeof("abcd")); }

1 12451

main() { char not; not=!2; printf("%d",not); }

1 15033

#define FALSE -1 #define TRUE 1 #define NULL 0 main() { if(NULL) puts("NULL"); else if(FALSE) puts("TRUE"); else puts("FALSE"); }

1 10606

main() { int k=1; printf("%d==1 is ""%s",k,k==1?"TRUE":"FALSE"); }

1 16675

main() { int y; scanf("%d",&y); // input given is 2000 if( (y%4==0 && y%100 != 0) || y%100 == 0 ) printf("%d is a leap year"); else printf("%d is not a leap year"); }

1 5604

#define max 5 #define int arr1[max] main() { typedef char arr2[max]; arr1 list={0,1,2,3,4}; arr2 name="name"; printf("%d %s",list[0],name); }

1 11062

int i=10; main() { extern int i; { int i=20; { const volatile unsigned i=30; printf("%d",i); } printf("%d",i); } printf("%d",i); }

1 18791

main() { int *j; { int i=10; j=&i; } printf("%d",*j); }

HCL, Wipro,

9 21700

main() { int i=-1; -i; printf("i = %d, -i = %d \n",i,-i); }

1 5420

#include main() { const int i=4; float j; j = ++i; printf("%d %f", i,++j); }

1 8821

#include main() { int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} }; int *p,*q; p=&a[2][2][2]; *q=***a; printf("%d..%d",*p,*q); }

1 14088

#include main() { register i=5; char j[]= "hello"; printf("%s %d",j,i); }

2 6059

main() { int i=5,j=6,z; printf("%d",i+++j); }

2 19083

struct aaa{ struct aaa *prev; int i; struct aaa *next; }; main() { struct aaa abc,def,ghi,jkl; int x=100; abc.i=0;abc.prev=&jkl; abc.next=&def; def.i=1;def.prev=&abc;def.next=&ghi; ghi.i=2;ghi.prev=&def; ghi.next=&jkl; jkl.i=3;jkl.prev=&ghi;jkl.next=&abc; x=abc.next->next->prev->next->i; printf("%d",x); }

1 6241

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Un-Answered Questions { C Code }

3) Int Matrix of certain size was given, We had few valu= es in it like this. =97=97=97=97=97=97=97=97=97=97=97 1 = | 4 | | 5 | &= nbsp; | 45 =97=97=97=97=97=97=97=97=97=97=97 &n= bsp; | 3 | 3 | 5 | = | 4 =97=97=97=97=97=97=97=97=97=97=97 34 |&nbs= p; 3 | 3 | | 12 | &= nbsp; =97=97=97=97=97=97=97=97=97=97=97 3 | &nbs= p; | 3 | 4 | = | 3 =97=97=97=97=97=97=97=97=97=97=97 3 | = ; | | | = ; 3 | =97=97=97=97=97=97=97=97=97=97=97 &= nbsp; | | 4 | = ; | 4 | 3 We w= ere supposed to move back all the spaces in it at the end. Note: = If implemented this prog using recursion, would get higher preference.

3749

could you please send the program code for multiplying sparse matrix in c????

3525

Develop a routine to reflect an object about an arbitrarily selected plane

3553

Hi, i have a project that the teacher want a pyramid of numbers in C# or java...when we click a button...the pyramid should be generated in a listbox/or JtextArea...and the pyramid should have the folowing form: 1 232 34543 4567654 567898765 67890109876 7890123210987 890123454321098 90123456765432109 0123456789876543210 Plz help with codes...didn't find anything on the net.

3168

Design an implement of the inputs functions for event mode

3453

Write a routine to implement the polymarker function

4837

What is the match merge ? compare data step match merge with proc sql merge - how many types are there ? data step vs proc sql

2862

write a simple calculator c program to perform addition, subtraction, mul and div.

3676

can you use proc sql to manpulate a data set or would u prefer to use proc report ? if so why ? make up an example and explain in detail

2895

Sir... please give some important coding questions asked by product companies..

2209

write a program for area of circumference of shapes

2507

What is the difference between proc means and proc tabulate ? explain with a simple example when you have to use means or tabulate?

4438

Write a program to model an exploding firecracker in the xy plane using a particle system

4093

#include int main(void) { int a=4, b=2; a=b<>2 ; printf("%d",a); return 0; }

1573

how to programme using switch statements and fuctions, a programme that will output two even numbers, two odd numbers and two prime numbers of the users chioce.

2617

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