More Problems

• Write a program to implement a basic text editor with undo and redo functionality.
• Write a program to check if a string contains valid XML tags.
• Write a program to find the maximum sum of elements in a sliding window of size k.
• Write a program to implement the Aho-Corasick algorithm for multi-pattern string matching.
• Write a program to find the number of unique paths in a grid with obstacles using dynamic programming.
• Write a program to check if a string can be rearranged to form a palindrome using a character count.
• Write a program to find the longest palindromic substring in a string using Manachers algorithm.
• Write a program to implement a simple online file sharing service.