More Problems

• Write a program to find the total number of unique paths in a 2D grid with obstacles.
• Write a program to implement a basic online multiplayer game.
• Write a program to check if a string can be rearranged to form a palindrome.
• Write a program to find the first unique character in a string using a frequency map.
• Write a program to implement a basic online course registration system.
• Write a program to check if a string is a valid palindrome considering case and spaces.
• Write a program to find the maximum product subarray in an array using dynamic programming.
• Write a program to implement a simple online resume builder.