摘要：C. Coloring Trees time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output ZS the Coder and Chris 阅读全文

摘要：E - Tozan and Gezan Time limit : 2sec / Memory limit : 256MB Score : 700 points Problem Statement You are given sequences A and B consisting of non-ne 阅读全文