七月 08, 2020
codeforces-Ed91-E
1380E - Merging Towers 题意汉诺塔背景下 n个柱子，m个圆盘，半径为[1,m] ，m<=n<=2e5 m次询问 每次将...
十月 15, 2020
2019, XII Samara Regional Intercollegiate Programming Contest
D. Country Division 题意 给出一个n(n<2e5)个点n-1条边的树 q组询问 每...