More Problems

• Write a program to check if a binary tree is a balanced binary search tree.
• Write a program to find the total number of islands in a grid using depth-first search.
• Write a program to implement a simple online voting system with results tracking.
• Write a program to check if a string contains all digits using a function.
• Write a program to find the maximum sum of any two non-adjacent elements in an array.
• Write a program to implement a basic online forum with posts and comments.
• Write a program to check if a given number is a Narcissistic number.
• Write a program to find the longest path in a weighted graph using depth-first search.