昨日のバチャのE https://codeforces.com/contest/1187/problem/E えでゅふぉバチャ ABCの3完 https://codeforces.com/contest/1175 さっきのD いや頭いい https://codeforces.com/contest/1175/problem/D えでゅふぉバチャ ABCDの4完 https://codeforces.co…