1. Write a program to print "Hello, World!".

2. Write a program to add two numbers.

3. Write a program to find the maximum of two numbers.

4. Write a program to swap two numbers.

5. Write a program to find the factorial of a number.

6. Write a program to check if a number is even or odd.

7. Write a program to find the sum of the first 10 natural numbers.

8. Write a program to print the Fibonacci series up to 10 terms.

9. Write a program to reverse a number.

10. Write a program to check if a number is a palindrome.

11. Write a program to find the largest of three numbers.

12. Write a program to convert Celsius to Fahrenheit.

13. Write a program to convert Fahrenheit to Celsius.

14. Write a program to find the sum of digits of a number.

15. Write a program to find the GCD of two numbers.

16. Write a program to find the LCM of two numbers.

17. Write a program to print all prime numbers between 1 and 100.

18. Write a program to check if a number is prime.

19. Write a program to find the average of three numbers.

20. Write a program to calculate the area of a rectangle.

21. Write a program to calculate the area of a circle.

22. Write a program to calculate the area of a triangle.

23. Write a program to calculate the perimeter of a rectangle.

24. Write a program to calculate the circumference of a circle.

25. Write a program to print the multiplication table of a number.

26. Write a program to find the roots of a quadratic equation.

27. Write a program to calculate the simple interest.

28. Write a program to calculate the compound interest.

29. Write a program to print the ASCII value of a character.

30. Write a program to print the sum of all even numbers between 1 and 50.

31. Write a program to print the sum of all odd numbers between 1 and 50.

32. Write a program to count the number of digits in a number.

33. Write a program to print the reverse of a string.

34. Write a program to find the length of a string.

35. Write a program to concatenate two strings.

36. Write a program to compare two strings.

37. Write a program to copy a string.

38. Write a program to check if a character is a vowel or consonant.

39. Write a program to check if a character is an alphabet or not.

40. Write a program to check if a character is a digit or not.

41. Write a program to check if a character is an uppercase or lowercase.

42. Write a program to count the number of vowels in a string.

43. Write a program to count the number of consonants in a string.

44. Write a program to find the largest element in an array.

45. Write a program to find the smallest element in an array.

46. Write a program to find the sum of elements in an array.

47. Write a program to find the average of elements in an array.

48. Write a program to print all elements of an array.

49. Write a program to print all even elements of an array.

50. Write a program to print all odd elements of an array.