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Top 20 C programs for Interview

Programs

1. Write a program to find factorial of the given number.

2. Write a program to check whether the given number is even or odd.

3. Write a program to swap two numbers using a temporary variable.

4. Write a program to swap two numbers without using a temporary variable.

5. Write a program to swap two numbers using bitwise operators.

6. Write a program to find the greatest of three numbers.

7. Write a program to find the greatest among ten numbers.

8. Write a program to check whether the given number is a prime.

9. Write a program to check whether the given number is a palindromic number.

10.Write a program to check whether the given string is a palindrome.

11.Write a program to generate the Fibonacci series.

12.Write a program to print "Hello World" without using semicolon anywhere in the code.

13.Write a program to print a semicolon without using a semicolon anywhere in the code.

14.Write a program to compare two strings without using strcmp() function.

15.Write a program to concatenate two strings without using strcat() function.

16.Write a program to delete a specified line from a text file.

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.

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