More Problems

• Write a program to check if a number is a perfect square using the binary search method.
• Write a program to find the maximum sum of elements in a subarray of size k.
• Write a program to implement a simple online contact manager.
• Write a program to check if a string is a valid palindrome considering punctuation.
• Write a program to find the total number of words in a text file.
• Write a program to implement a simple console-based file manager.
• Write a program to check if a number is a happy number using recursion.
• Write a program to find the longest increasing subsequence in an array using dynamic programming.