More Problems

• Write a program to calculate the average of grades using weighted average.
• Write a program to check if two strings can be converted to each other by a limited number of swaps.
• Write a program to find the product of all elements in an array using a function.
• Write a program to implement a simple event scheduling application.
• Write a program to find the minimum number of coins needed to make a given amount.
• Write a program to check if a number is a happy number using a function.
• Write a program to implement a basic library management system.
• Write a program to find the longest substring that contains at most two distinct characters.