今日の精進 2020/05/13

Div4バチャ

ABCDEFGで全完

https://t.co/ETeuWeJ8Zw?amp=1

復習

一昨日（たぶん）のバチャのC

https://codeforces.com/contest/1016/problem/C

昨日のバチャのD

幾何かかかかｋ

https://codeforces.com/contest/961/problem/D

えでゅふぉバチャ

ABCDの4完

https://codeforces.com/contest/1009