More Problems

• Write a program to check if a number is a perfect number using its proper divisors.
• Write a program to find the shortest distance between two nodes in a graph.
• Write a program to implement the Floyd-Warshall algorithm for finding all pairs shortest paths.
• Write a program to check if two graphs are isomorphic using adjacency lists.
• Write a program to find the maximum area of a rectangle in a binary matrix.
• Write a program to implement a simple online banking application with transaction history.
• Write a program to check if a number is an automorphic number using its digits.
• Write a program to find the longest substring with at most two distinct characters.