More Problems

• Write a program to implement a simple online coding competition platform.
• Write a program to check if a string is a valid MAC address using regex.
• Write a program to find the longest increasing subsequence of an array.
• Write a program to implement a simple priority queue using a binary heap.
• Write a program to check if a number is a Fibonacci number using matrix exponentiation.
• Write a program to solve the "Word Break Problem" using dynamic programming.
• Write a program to implement a basic hash table with open addressing for collision resolution.
• Write a program to find the longest substring of non-repeating characters.