virtu0s0:
博客地址:https://www.cnblogs.com/virtu0s0/
virtu0s0:
博客地址:https://www.cnblogs.com/virtu0s0/
Educational Codeforces Round 59 (Rated for Div. 2) E 区间dp + 状态定义
Hello 2019 F (莫比乌斯反演 + bitset)
Codeforces Round #549 (Div. 2) F 数形结合 + 凸包(新坑)
Hello 2019 D 素因子贡献法计算期望 + 概率dp + 滚动数组
Codeforces Round #549 (Div. 2) D 数学
Codeforces Round #548 (Div. 2) F splay(新坑) + 思维
Codeforces Round #546 (Div. 2) D 贪心 + 思维
Codeforces Round #538 (Div. 2) E 随机数生成
Codeforces Round #541 (Div. 2) D 并查集 + 拓扑排序
Codeforces Round #541 (Div. 2) E 字符串 + 思维 + 猜性质
Codeforces Round #544 (Div. 3) dp + 双指针
Codeforces Round #516 (Div. 2, by Moscow Team Olympiad) D. Labyrinth(重识搜索)
Educational Codeforces Round 53 (Rated for Div. 2) E. Segment Sum