Prog_22. Write a program to reverse a
string using recursion.
Prog_23. Write a program to find most
repeated/frequent elements in an array.
Prog_24. Write a program to check whether a number is a perfect number.
Prog_25. Write a program to find
common elements in 2 arrays.
Prog_26. Write a program to sort elements of an array using selection sort.
Prog_27. Write a program for binary
search.
Prog_28. Write a program to get
maximum word count in a line from a file.
Prog_29. Write a program for linear search.
Prog_30. Write a program to find
factorial of large number.
