MekakuCityActor

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test

[cf920G][容斥原理+二分]

[线性筛][筛素数/筛约数个数]

[ Educational Codeforces Round 65 (Rated for Div. 2)][二分]

[hdoj4578][多延迟标记的线段树]

[cf1138BCircus][枚举,列等式]

HDOJ4857反向拓扑排序

HDOJ1069动态规划

HDOJ1217Floyd求最长路

HDOJ1018大数阶乘位数斯特林公式

[cf1038E][欧拉路]

[Educational Codeforces Round 55 (Rated for Div. 2)][C. Multi-Subject Competition][时间复杂度]

[Codeforces Round #522 (Div. 2, based on Technocup 2019 Elimination Round 3)][C. Playing Piano](代码片段

[codeforces Mail.Ru Cup 2018 Round 1 D][ xor 操作]

[zoj4045][思维＋dfs]

HDOJ3567预处理bfs+映射+康拓展开hash

状压DPHDOJ1074

floyd

HDOJ1045DFS

递推HDOJ