728x90 DSU1 [Atcoder] D - Friends (C++) Problem Problem Statement There are NN persons called Person 11 through Person NN. You are given MM facts that "Person AiAi and Person BiBi are friends." The same fact may be given multiple times. If XX and YY are friends, and YY and ZZ are friends, then XX and ZZ are also friends. There is no friendship that cannot be derived from the MM given facts. Takahashi the evil wants to divide the NN pe.. 2021. 1. 13. 이전 1 다음 728x90
