C Interview Questions
Questions Answers Views Company eMail

What is Heap?

3 4515

Is there any algorithm to search a string in link list in the minimum time?(please do not suggest the usual method of traversing the link list)


how to add numbers without using arithmetic operators.


14 7472

if a person is buying coconuts of Rs10,and then sell that coconuts of Rs9,with the loss of one rupee.After that the person became a millaniore.how?


9 5359

a 'c' program to tell that the set of three coordinates lie on a same line


3 10140

write a program to print sum of each row of a 2D array.

4 21198

write a program to arrange the contents of a 1D array in ascending order

4 15148

What will be the output of x++ + ++x?

Religare, MBT,

20 27714

write a Program to dispaly upto 100 prime numbers(without using Arrays,Pointer)

Oracle, TCS, Wipro, Infosys, iFlex, ADITI, Unicops,

26 64083

how is the examination pattern?



Find Error if any in below code, Justify ur answer: struct xx { int a; struct yy { char c; struct xx* p; } struct yy* q; }


3 4593

main() { int i = 1; int num[] = {1,2,3,4}; num[i] = i++; printf("%d", num[i]); } what will be the output? }


22 16557

#define MAX(x,y) (x) > (y) ? (x) : (y) main() { int i = 10, j = 5, k = 0; k = MAX(i++, ++j); printf("%d %d %d", i,j,k); } what will the values of i , j and k? }


14 26328

fun(int x) { if(x > 0) fun(x/2); printf("%d", x); } above function is called as: fun(10); what will it print? }


17 10228

#define DCHAR char* typedef char* TCHAR; if using these following variables will be declared like DCHAR ch1, ch2; TCHAR ch3, ch4; then what will be types of ch1, ch2, ch3 and ch4?


6 5873

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Un-Answered Questions { C }

how to introdu5ce my self in serco


code for replace tabs with equivalent number of blanks


pgm to find any error in linklist(in single linklist check whether any node points any of previous nodes instead of next node)


Create a registration form application by taking the details like username, address, phone number, email with password and confirm password (should be same as password).Ensure that the password is of 8 characters with only numbers and alphabets. Take such details for 3 users and display the details. While taking input password must appear as “****”.


Write the test cases for checking a variable having value in range -10.0 to +10.0?


how many errors in c explain deply


Why we not create function inside function.


Calculate the weighted average of a list of n numbers using the formula xavg = f1x1+f2x2+ ….+ fnxn where the f’s are fractional weighting factors, i.e., 0<=fi<1, and f1+f2+….+fn = 1


in a town the percentage of men is 52 the percentage of total literacy is 48 if total percentage of literate men is 35 of the total population write a program to find the total no of the literate men and women if the population of the town is 80000


how to print electricity bill according to following charges first 100 units -1rs per unit for next 200 units-1.50 rs per unit without using conditions


What is the purpose of the following code? Is there any problem with the code? void send(int count, short *to, short *from) { /* count > 0 assumed */ register n = (count + 7) / 8; switch (count % 8) { case 0: do { *to = *from++; case 7: *to = *from++; case 6: *to = *from++; case 5: *to = *from++; case 4: *to = *from++; case 3: *to = *from++; case 2: *to = *from++; case 1: *to = *from++; } while (--n > 0); } }


1234554321 1234 4321 123 321 12 21 1 1 12 21 123 321 1234 4321 1234554321


What is the difference between if else and switchstatement


Write an algorithm for implementing insertion and deletion operations in a singly linked list using arrays ?


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)