aemshana:
博客地址：https://www.cnblogs.com/aemshana/
aemshana:
博客地址：https://www.cnblogs.com/aemshana/
Codeforces 1294E Obtain a Permutation
[ICPC训练联盟周赛1] CTU Open Contest 2019
[计算几何][圆反演] 2019 ICPC区域赛沈阳站E.Capture Stars
[二分答案][状压] Codeforces 1288D Minimax Problem