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Educational Codeforces Round 128 (Rated for Div. 2)
CodeForces
Codeforces Round #791 (Div. 2)
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[CF1638C] Inversion Graph
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单调栈
思维
五月codeforces日常训练题集
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Codeforces 729 Div.2
数学
计数
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CF653F Paper task 题解
题解
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ST表
后缀自动机
SAM
字符串
CF868F Yet Another Minimization Problem - 决策单调性
做题记录
双指针
DP
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决策单调性
CF235C Cyclical Quest 题解
题解
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后缀自动机
SAM
字符串
[codeforces]第8天
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Codeforces Round #699 (Div. 2)
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Codeforces Round #785 (Div. 2) C. Palindrome Basis
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CF1677E Tokitsukaze and Beautiful Subsegments
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线段树树状数组
CF1677D Tokitsukaze and Permutations
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思维
组合数学
CF1152F2 Neko Rules the Catniverse (Large Version)
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DP
矩阵乘法
[cf1086F]Forest Fires
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数学-计数
数学-拉格朗日插值
数学-容斥
数据结构-线段树&树状数组
Educational Codeforces Round 129 (Rated for Div. 2) A - D 题解
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Codeforces Round #792 (Div. 1 + Div. 2) A—D
CodeForces
Educational Codeforces Round 129 (Rated for Div. 2)
CodeForces
CodeForces #794 Div2 | 题解ABC
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Codeforces Round #792 (Div. 1 + Div. 2) A - E 题解
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Codeforces Round #793 D. Circular Spanning Tree(构造）
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Codeforces Round #789 (Div. 2) C- Tokitsukaze and Strange Inequality(二维前缀和)
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CF1276C Beautiful Rectangle 题解
题解
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2300
构造
CF1468H K and Medians 题解
题解
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2200
构造
CF1468M Similar Sets 题解
题解
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2300
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588
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