今日の精進 2020/05/16
青diffバチャ
0完☀
https://kenkoooo.com/atcoder/#/contest/show/829b63d7-2650-40f3-afaf-2fbdd010b8c9
復習
こどふぉDiv2
システス落ちなければABDの3完
https://codeforces.com/contest/1355
青diffバチャ
2完
https://kenkoooo.com/atcoder/#/contest/show/515d677f-4094-422f-871a-9a147d75f57d
復習