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

C Interview Questions

Questions Answers Views Company eMail

#define f(g,h) g##h main O int i=0 int var=100 ; print f ("%d"f(var,10));} what would be the output?

Wipro,

1 5378

Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

Cap Gemini, HCL,

2 7485

why do we use # in c-language?

1 4168

what is the difference between class and unio?

HCL, Wipro,

2368

int main() { int i=-1,j=-1;k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d%d%d%d%d",i,j,k,l,m); }

HCL,

3 8722

To print the pattern 1 2 3 4 5 10 17 18 19 6 15 24 25 20 7 14 23 22 21 8 13 12 11 10 9

HCL,

2642

for(;;) printf("C language") What is out put of above??

Practical Viva Questions,

2 4261

Heyyy All, Just a challenge . A C program with if Else if(){ /// insert sumthing print ("in if") // insert sumting } else { ///// insert sumthing print ("in else"); //// insert sumthing } can anyone modify it so that program prints. if and else both

3 4789

#include #include struct stu { int i; char j; }; union uni { int i; char j; }; void main() { int j,k; clrscr(); struct stu s; j=sizeof(s); printf("%d",j); union uni u; k=sizeof(u); printf("%d",k); getch(); } what is value of j and k.

Facebook,

2 6318

output for following code??? main() { int x=2,y,z; x*=3+2; printf("1.%d\n",x); x*=y=z=4; printf("2.%d %d %d\n",x,y,z); x=y==z; printf("3.%d\n",x); x==(y=z); printf("%d",x); }

Elysium,

2 4315

Write a c program for sum of first n terms of the series S = 1 - (1/3) + (1/5) -(1/7) + (1/9) ......

2 5830

Sir i need notes for structure,functions,pointers in c language can you help me please

TCS,

2419

How we can set and clear bit in a byte using macro function?

L&T, Samsung,

2 20616

How we can write a value to an address using macro..?

Tata Elxsi,

3457

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

1 9085

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Un-Answered Questions { C }

Why c is called a mid level programming language?

1074

What does c mean?

1052

pgm to find number of words starting with capital letters in a file(additional memory usage not allowed)(if a word starting with capital also next letter in word is capital cann't be counted twice)

2344

What are disadvantages of C language.

1167

What is the size of structure in c?

1157

How can you increase the size of a statically allocated array?

1081

What is merge sort in c?

1051

What is || operator and how does it function in a program?

1093

Tell us something about keyword 'auto'.

1074

Where in memory are my variables stored?

1186

What is && in c programming?

1166

program to find error in linklist.(i.e find whether any node point wrongly to previous nodes instead of next node)

2097

Which is the memory area not included in C program? give the reason

1949

What is a good data structure to use for storing lines of text?

1086

What is the sizeof () a pointer?

998

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