【Codeforces 1187G】Gang Up
【Codeforces 1188C】Array Beauty
【Codeforces 802N/802O】April Fools' Problem
【Codeforces 1025F】Disjoint Triangles
【牛客小白月赛8-J】好的序列
【Codeforces 786D】Rap God
【Codeforces 786C】Till I Collapse
【Codeforces 1175G】Yet Another Partiton Problem
【Codeforces 1175F】The Number of Subpermutations
【Ynoi2014】置身天上之森
