Topic: language-problem / Level: beginner

• 1. Write a program to print "Hello, World" to the console.
• 2. Write a program to add two integers.
• 3. Write a program to find the largest of three numbers.
• 4. Write a program to check if a number is even or odd.
• 5. Write a program to calculate the sum of the first n natural numbers.
• 6. Write a program to reverse a given integer.
• 7. Write a program to find the minimum and maximum of three numbers.
• 8. Write a program to swap two numbers without using a third variable.
• 9. Write a program to find the factorial of a given number using a loop.
• 10. Write a program to count the number of digits in a number.
• 11. Write a program to find the sum of two floating-point numbers.
• 12. Write a program to check if a given year is a leap year.
• 13. Write a program to convert Celsius to Fahrenheit.
• 14. Write a program to print the multiplication table of a given number.
• 15. Write a program to find the smallest number in an array.
• 16. Write a program to count the number of vowels in a string.
• 17. Write a program to find the ASCII value of a character.
• 18. Write a program to implement a simple interest calculator.
• 19. Write a program to check if a number is prime.
• 20. Write a program to generate the first n prime numbers.
• 21. Write a program to calculate the area of a circle given its radius.
• 22. Write a program to print the even numbers from 1 to n.
• 23. Write a program to reverse a string using a function.
• 24. Write a program to implement a simple counter using a loop.
• 25. Write a program to find the largest digit in a number.
• 26. Write a program to merge two arrays into a third array.
• 27. Write a program to remove duplicates from an array.
• 28. Write a program to print the first n natural numbers.
• 29. Write a program to find the frequency of each digit in a number.
• 30. Write a program to find the sum of the digits of a number.
• 31. Write a program to check if a string contains only digits.
• 32. Write a program to find the factorial of a number using recursion.
• 33. Write a program to swap two numbers using pointers.
• 34. Write a program to implement a simple number guessing game.
• 35. Write a program to calculate the power of a number using loops.
• 36. Write a program to check if a triangle is valid based on the lengths of its sides.
• 37. Write a program to find the nth Fibonacci number using recursion.
• 38. Write a program to print the reverse of an array.
• 39. Write a program to count the number of words in a sentence.
• 40. Write a program to check if a given string is a valid identifier.
• 41. Write a program to convert binary to decimal.
• 42. Write a program to calculate the sum of an array using a function.
• 43. Write a program to find the largest of four numbers.
• 44. Write a program to find the smallest number in an array using a function.
• 45. Write a program to print all prime numbers between 1 and 100.
• 46. Write a program to implement a simple to-do list using arrays.
• 47. Write a program to sort an array of integers using selection sort.
• 48. Write a program to implement a simple text-based menu.
• 49. Write a program to calculate the average of numbers in an array.
• 50. Write a program to find the difference between the largest and smallest elements in an array.

• More Levels

• Intermediate
• Advanced