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

C Interview Questions

Questions Answers Views Company eMail

create an SINGLE LINKED LISTS and reverse the data in the lists completely

3 5979

hi , please send me NIC written test papers to sbabavalli@gmail.com

NIC,

2013

Can u please send me the exam pattern and also Previous papers to javed123go@gmail.com

1953

how to print value of e(exp1)up to required no of digits after decimal?

1 3795

writw a program to insert an element in the begning of a doubly linked list

1 4622

main() { int arr[5]={23,67}; printf("%d%d%d",arr[2],arr[3],arr[4]); }

TCS,

9 10527

main() {int a=200*200/100; printf("%d",a); }

TCS,

14 17736

main() { float a=3.2e40; printf("%d",a); }

Satyam,

9 12280

write program on arrays

GE, Polycab,

3 6490

HOW TO ANSWER IF ASKED " WHAT KIND OF A PERSON ARE YOU?" I NEED AN ANSWER THAT IMPRESS THE INTERVIEWER

4 7416

can we print any string without using terminator?

Infosys, TCS,

2 8009

#include int fun(); int i; int main() { while(i) { fun(); main(); } printf("hello \n"); return 0; } int fun() { printf("hi"); } answer is hello.how??wat is tat while(i) mean?

Intel,

7 19778

wat is the difference between a definition and declaration? float y;---it looks like a declaration..but it s a definition.how?someone explain

TCS,

3 11471

void main() { int s[4][2]={ {1234,56},{1212,33},{1434,80},{1312,78} }; int (*p)[2]; int i,j,*pint; for(i=0;i<=3;i++) { p=&s[i]; pint=p; printf("\n"); for(j=0;j<=1;j++) printf("%d",*(pint+j)); } } while running this program it shows a warning-suspicious pointer conversion ie pint=p; my que is why should we assign the value of p to pint again.why cant we use it directly as *(p+j)..but if i use like tat the o/p is garbage value..

1 7231

void main() {int a[5],i,b=16; for(i=0;i<5;i++) a[i]=2*i; f(a,5,b); for(i=0;i<5;i++) printf("\n %d",a[i]); printf("\n %d",b); } f(int *x,int n,int y) { int i; for(i=0;i

TCS,

2 5894

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Un-Answered Questions { C }

What is const keyword in c?

1222

What is an arrays?

1142

In C language, a variable name cannot contain?

1329

What is the -> in c?

1071

Given below are three different ways to print the character for ASCII code 88. Which is the correct way1) char c = 88; cout << c << " ";2) cout.put(88);3) cout << char(88) << " "; a) 1 b) 2 c) 3 d) constant

1214

What is a const pointer in c?

1185

What is the role of && operator in a program code?

1134

What are the 4 types of organizational structures?

1171

What are the types of c language?

1086

What is output redirection?

1286

Write a Program to find whether the given number or string is palindrome.

1347

This is a variation of the call_me function in the previous question:call_me (myvar)int *myvar;{ *myvar += 5; }The correct way to call this function from main() will be a) call_me(myvar) b) call_me(*myvar) c) call_me(&myvar) d) expanded memory

1343

What is the advantage of an array over individual variables?

1296

What is the need of structure in c?

1197

Describe newline escape sequence with a sample program?

1175

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