CF871E Restore the Tree

CF871E Restore the Tree

题目来源-Codeforces算法-构造结论找规律
CF1375H Set Merging

CF1375H Set Merging

题目来源-Codeforces算法-构造结论找规律
CF1404D Game of Pairs

CF1404D Game of Pairs

算法-构造结论找规律题目来源-Codeforces
洛谷P8098 「USACO 2022.1 Gold」Tests for Haybales

洛谷P8098 「USACO 2022.1 Gold」Tests for Haybales

题目来源-OI赛事真题算法-构造结论找规律
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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