More Problems

• Write a program to check if a number is a happy number using the Floyds cycle detection algorithm.
• Write a program to find the longest path in a grid using dynamic programming.
• Write a program to implement a simple online file sharing system.
• Write a program to check if a string contains valid XML tags using a stack.
• Write a program to find the longest increasing subsequence using patience sorting.
• Write a program to implement a simple online coding platform for coding challenges.
• Write a program to check if a string is a valid email address format.
• Write a program to find the maximum sum of elements in a sliding window of size k.