补题地址:https://zjusummer.contest.codeforces.com/
ZJU-ICPC Summer 2020 Contest 1 by Group A
Problem A. MUG
Problem B. Count Angles
Problem F. Balloo ......
NC24866 [USACO 2009 Dec S]Music Notes
题目描述
FJ is going to teach his cows how to play a song. The song consists of N (1 <= N <= 50,000) notes, and ......