More Problems

• Write a program to check if a string is a valid JSON format.
• Write a program to find the longest increasing subsequence in a matrix.
• Write a program to implement a basic online quiz application with multiple-choice questions.
• Write a program to check if a binary tree is complete.
• Write a program to find the longest common substring between two strings using dynamic programming.
• Write a program to implement a simple online recipe sharing platform.
• Write a program to check if a number can be expressed as the sum of two primes.
• Write a program to find the total number of distinct paths in a grid with barriers.