More Problems

• Write a program to implement a simple note-taking application that stores notes in a file.
• Write a program to calculate the area of a triangle given its three sides using Heron’s formula.
• Write a program to find the sum of the first n prime numbers.
• Write a program to check if a string is a valid email address using regex.
• Write a program to implement a basic scheduling application that allows users to add events.
• Write a program to find the longest common prefix among an array of strings.
• Write a program to check if a given string is a valid IPv4 address.
• Write a program to find the maximum sum of a subarray using the divide and conquer approach.