Problem Solving Basis - Topological Sort
How can we program the computer to wear socks first, and then shoes?
Recent posts
Problem Solving Basis - Floyd Warshall
In dijkstra algorithm, we have seen single source shortest path algorithm. How about multiple sources? In other words, what if we want to know every pairs of...
Problem Solving Basis - Minimum Spanning Tree
How can we design the most efficient network of nodes?
Problem Solving Basis - Disjoint Set
How can we implement set without intersection?
Problem Solving Basis - Segment Tree
How can we process aggregate queries, in more efficient way?