@[miffy_123](/user/705296) 所以.........双倍经验? by zhaohanwen @ 2023-11-12 18:36:57
@[miffy_123](/user/705296) 不就是个二分图判定的板子,满地都是。这种水题的双倍经验一找一大堆。 by FFTotoro @ 2023-11-12 18:47:22