C Interview Questions
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Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create.



Go through this linked list concept.While traversing through the singly linked list sometimes the following code snippet "while(head != NULL)" is used and other times "while(head->link != NULL)"is used(Here head is the pointer pointing to the first node,node has two parts data part and link part).What is the difference between head != NULL and Head->link != NULL and in which situation are they used?


1 1795

Which weighs more, a gram of feathers or a gram of gold?

2 2596

There are 8 billiard balls, and one of them is slightly heavier, but the only way to tell was by putting it on a weighing scale against another. What's the fewest number of times you'd have to use the scale to find the heavier ball?

Microsoft, TCS,

5 4855

I didn't count the ducks that I saw in line, but I do remember that one duck was in front of two ducks, another duck behind two ducks. How many ducks did I see?

2 4062

program in c to print 1 to 100 without using loop


9 5739

. Write a program to get a string and to convert the 1st letter of it to uppercase


2 3798

what is a function method?give example?


Code for calculating square root without using library function, of math.h


4 21704

main() { int a; a=++100; printf("%d",a); getch(); }

4 2285

print the palindrome numbers in between 0 to n

1 1876

write a program to reverse a every alternetive words in a string in a place. EX: Input is "this is the line of text" Output should be "shit is eht line fo text" Please any one tell me code for that.



write a c program that if the given number is prime, and their rearrangement(permute) of that number is also prime. Ex: Input is "197" is prime Output: 791,917,179 is also prime. Please any one tell me tha code for that

3 2653

void main(int n) { if(n==0) return; main(--n); printf("%d ",n); getch(); } how it work and what will be its output...............it any one know ans plz reply


What is the difference between specifying a constant variable like with constant keyword and #define it? i.e what is the difference between CONSTANT FLOAT A=1.25 and #define A 1.25


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Un-Answered Questions { C }

write a program to reverse a every alternetive words in a string in a place. EX: Input is "this is the line of text" Output should be "shit is eht line fo text" Please any one tell me code for that.


shorting algorithmS


Using functions, write a program that multiplies two arrays. Use the following functions: - Function ReadArray - Function MultiplyArrays - Function DisplayArrays


Write a program to display all the prime nos from 1 to 1000000, your code should not take time more than a minute to display all the nos.


If jack lies on Mon, Tue Wed and jill lies on Thursday, Friday and Saturday. If both together tell they lied yesterday. So c the given options and then c cos in the given dates one will be saying the truth and one will be lying. I got Thursday as option because jack is saying the truth he lied yest but jill is lying again as he lies on that day.


what is the c source code for the below output? 5555555555 4444 4444 333 333 22 22 1 1 22 22 333 333 4444 4444 5555555555


how is the examination pattern?


why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }


Write a C program to count the number of email on text


If a five digit number is input through the keyboard, write a program to print a new number by adding one to each of its digits.For example if the number that is input is 12391 then the output should be displayed as 23402


write a program to print data of 5 five students with structures?


how to capitalise first letter of each word in a given string?


using for loop sum 2 number of any 4 digit number in c language


i want to switch my career from quailty assurance engineering to development kindly guide me from which programming language its better for me to start plz refer some courses or certifications too i have an experience of 1.5 yrs in QA field.Kindly guide me


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