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题目来源-Codeforces

CF1089I Interval-Free Permutations

CF1089I Interval-Free Permutations

题目来源-Codeforces算法-动态规划算法-数学-组合计数生成函数容斥原理
CF1188D Make Equal

CF1188D Make Equal

题目来源-Codeforces算法-动态规划算法-贪心
CF871E Restore the Tree

CF871E Restore the Tree

题目来源-Codeforces算法-构造结论找规律
CF538H Summer Dichotomy

CF538H Summer Dichotomy

题目来源-Codeforces算法-数据结构算法-贪心算法-图论
CF1007B Pave the Parallelepiped

CF1007B Pave the Parallelepiped

题目来源-Codeforces算法-数学-数论算法-数学-组合计数生成函数容斥原理
CF1290D Coffee Varieties (hard version)

CF1290D Coffee Varieties (hard version)

题目来源-Codeforces
CF650E Clockwork Bomb

CF650E Clockwork Bomb

题目来源-Codeforces算法-树树剖点分治算法-图论
CF1375H Set Merging

CF1375H Set Merging

题目来源-Codeforces算法-构造结论找规律
CF1034C Region Separation

CF1034C Region Separation

题目来源-Codeforces算法-树树剖点分治算法-动态规划
CF1404D Game of Pairs

CF1404D Game of Pairs

算法-构造结论找规律题目来源-Codeforces
CF1656D K-good

CF1656D K-good

算法-构造结论找规律算法-数学-数论题目来源-Codeforces

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