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

C Code Interview Questions

Questions Answers Views Company eMail

Is the following code legal? void main() { typedef struct a aType; aType someVariable; struct a { int x; aType *b; }; }

1 5254

void main() { printf(“sizeof (void *) = %d \n“, sizeof( void *)); printf(“sizeof (int *) = %d \n”, sizeof(int *)); printf(“sizeof (double *) = %d \n”, sizeof(double *)); printf(“sizeof(struct unknown *) = %d \n”, sizeof(struct unknown *)); }

1 8979

char inputString[100] = {0}; To get string input from the keyboard which one of the following is better? 1) gets(inputString) 2) fgets(inputString, sizeof(inputString), fp)

1 5472

Which version do you prefer of the following two, 1) printf(“%s”,str); // or the more curt one 2) printf(str);

1 5957

void main() { int i=10, j=2; int *ip= &i, *jp = &j; int k = *ip/*jp; printf(“%d”,k); }

1 8184

void main() { char ch; for(ch=0;ch<=127;ch++) printf(“%c %d \n“, ch, ch); }

1 12396

Is this code legal? int *ptr; ptr = (int *) 0x400;

1 8554

main() { char a[4]="HELLO"; printf("%s",a); }

CSC,

3 12461

main() { int a=10,*j; void *k; j=k=&a; j++; k++; printf("\n %u %u ",j,k); }

1 14310

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

1 8785

Printf can be implemented by using __________ list.

3 11929

char *someFun() { char *temp = “string constant"; return temp; } int main() { puts(someFun()); }

1 7830

char *someFun1() { char temp[ ] = “string"; return temp; } char *someFun2() { char temp[ ] = {‘s’, ‘t’,’r’,’i’,’n’,’g’}; return temp; } int main() { puts(someFun1()); puts(someFun2()); }

2 10457

main() { char a[4]="HELL"; printf("%s",a); }

Wipro,

3 11293

How we print the table of 2 using for loop in c programing?

HCL, Wipro,

14 105583

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Un-Answered Questions { C Code }

Write a Program in 'C' To Insert a Unique Number Only. (Hint: Just Like a Primary Key Numbers In Database.) Please Some One Suggest Me a Better Solution for This question ??

2540

What is full form of PEPSI

2484

how to test pierrot divisor

2817

create a C-code that will display the total fare of a passenger of a taxi if the driver press enter,the timer will stop. Every 10 counts is 2 pesos. Initial value is 25.00

7047

Cluster head selection in Wireless Sensor Network using C programming language.

3809

write a c program to input initial & final time in the format hh:mm and find the time intervel between them? Ex inputs are initial 06:30 final 00:05 and 23:22 final 22.30

2758

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

3623

To Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates. String contains only lowercase characters ['a'-'z']

1041

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

3694

Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines

3627

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

3775

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

1692

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

4203

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.

3832

How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

2602

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