#P9216. Vale of Eternal

    ID: 5298 传统题 2000ms 512MiB 尝试: 3 已通过: 3 难度: 7 上传者: 标签>CF2200计算几何凸包数学扫描线旋转卡壳构造贪心

Vale of Eternal

Source: Super League of Chinese College Students Algorithm Design 2022, Contest 8 by SJTU.