Top 20 C programs asked in interview

1. Write a program to find the greatest of three numbers.
2. Write a program to find the greatest among ten numbers.
3. Write a program to check whether the given number is a prime.
4. Write a program to check whether the given number is a palindrome c number.

5.Write a program to check whether the given string is a palindrome .
6.Write a program to generate the Fibonacci series.
7.Write a program to print"Hello World"without using semicolon anywhere in the code.
8.Write a program to print a semicolon without using a semicolon anywhere in the code.
9.Write a program to compare two strings without using strcmp() function.
10.Write a program to concatenate two strings without using strcat() function.
11.Write a program to delete a specified line from a text file.

12. Write a program to find factorial of the given number...
13. Write a program to check whether the given number is even or odd.
14. Write a program to swap two numbers using a temporary variable.
15. Write a program to swap two numbers without using a temporary variable.
16. Write a program to swap two numbers using bitwise operators.
17.Write a program to replace a specified line in a text file.
18.Write a program to find the number of lines in a text file..
19.Write a C program which asks the user for a number between 1 to 9 and shows the number. If the user
inputs a number out of the specified range, the program should show an error and prompt the user for a
valid input.
20.Write a program to display the multiplication table of a given number..