Fibonacci Series up to N Terms

2. Reverse a Given String

3. Check Prime Number

4. Sum of all even numbers in an array

5. Convert Celsius to Fahrenheit

6. Factorial of a Number .

7. Remove Duplicates from an Array

8. Number of Vowels

9. Largest Element in an Array

10. Multiplication Table for a Given Number

11. Check if Two Strings are Anagrams

12. Sort an array of integers using bubble sort.

13. GCD of two numbers

14. Check if a string is a palindrome

15. Generate the first n prime numbers.

16. Sum of Digits of a Number

17. Rotate an Array by k Positions to the Right

18. Decimal Number to Binary

19. if a Year is a Leap Year

20. Second Smallest Number in an Array

21. All Permutations of a String

22. Merge Two Sorted Arrays

23. Intersection of Two Arrays

24. Power of a Number

25. Check Armstrong number

26. Replace all spaces with underscores.

27. sum of the series '1 + 1/2 + 1/3 + ... + 1/n'

28. Frequency of Characters in a String

29. Longest Word Finder

30. Reverse Words in a Sentence

31. If a Matrix is Symmetric

32. Transpose a Matrix

33. Multiply Two Matrices

34. Convert a 2D Array into a 1D Array

35. Find the Determinant of a 2x2 Matrix

36. Perfect Square

37. Twin Prime Numbers Under 100

38. Generate the Pascal’s Triangle

39. Smallest Missing Positive Integer

40. String Contains Only Digits

41. Calculate the Area of a Circle

42. Substrings of a String

43. Majority Element in an Array

44. Capitalize the first letter of each word

45. Sum of All Elements in a Jagged Array

46. Check if a Number is a Palindrome

47. Reverse a Linked List

48. Implement a stack using an array

49. Implement a Queue Using an Array.

50. Simulate a basic ATM machine