More Problems

• Write a program to check if two numbers are co-prime using the GCD method.
• Write a program to find the longest path in a weighted directed graph.
• Write a program to implement the Kruskal algorithm for finding the minimum spanning tree.
• Write a program to check if a string is a valid URL using regular expressions.
• Write a program to find the longest palindromic substring using Manachers algorithm.
• Write a program to implement a basic online library system with user authentication.
• Write a program to check if a number is a strong composite number.
• Write a program to find the longest increasing subsequence using binary search and patience sorting.