HBC52063A.这是一道大水题,数学Chessboard题解 （csllikesplayingtricksverymuch） CSL likes playing tricks very much. The unlucky TL always becomes the target of CSL's tricks. Today... 算法基础篇 2023-11-09 38 #HBC52063A.这是一道大水题 #数学Chessboard题解
