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2021
2021-01-15
牛客练习赛76 F-phi and phi 莫比乌斯反演+差分
2021-01-13
Codeforces - 786B Legacy 线段树建图+最短路
2021-01-12
牛客挑战赛47 F-简单题 莫比乌斯反演
2020
2020-12-29
Educational Codeforces Round 101 (Rated for Div. 2) D题 思维、构造
2020-12-28
2020ICPC济南站 铸铜记
2020-12-25
2020ICPC南京站 F题 Firworks 几何分布 + 三分
2020-12-23
2019南昌邀请赛网络赛 J题 Distance on the tree 边权树剖 + 树上DFS序建主席树
2020-12-21
AtCoder Beginner Contest 186 A~F
2020-12-21
Codeforces Round
2020-12-20
AtCoder Beginner Contest 185 A~F
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