More Problems

• Write a program to check if a string is a valid date in the format YYYY-MM-DD.
• Write a program to find the longest increasing subsequence in an array using binary search.
• Write a program to implement a basic online booking system for event tickets.
• Write a program to check if a number is a perfect square using the Newton-Raphson method.
• Write a program to find the maximum frequency of any character in a string.
• Write a program to implement the binary tree data structure with traversal methods.
• Write a program to check if two graphs are isomorphic using adjacency lists.
• Write a program to find the longest sequence of consecutive elements in an array.