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Ch_Zaqdt

Codeforces Round #562 (Div. 2) B. Pair(思维)

       题意是输入n和m,然后输入m组数,输入的数都为1-n的数,然后问能否从1-n中找到两个不相同的数x和y使得这m组数中,每组都至少有一个数等于x或者...

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Ch_Zaqdt

Codeforces Round #558 (Div. 2) C. Power Transmission(思维 map+set)

题目链接:https://codeforces.com/contest/1163/problem/C2

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Ch_Zaqdt

Codeforces Round #558 (Div. 2) B. Cat Party(思维)

题目链接:https://codeforces.com/contest/1163/problem/B2

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Ch_Zaqdt

HDU 3791 二叉搜索树(BST)

https://blog.csdn.net/Charles_Zaqdt/article/details/89810110

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Ch_Zaqdt

BST的INSERT、FIND、遍历

https://blog.csdn.net/Charles_Zaqdt/article/details/89810087

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Ch_Zaqdt

Educational Codeforces Round 63 (Rated for Div. 2) D. Beautiful Array(dp)

题目链接:https://codeforces.com/contest/1155/problem/D

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Ch_Zaqdt

Codeforces Global Round 2 C. Ramesses and Corner Inversion(思维)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 https://blog.csdn.net/Charles_Zaqd...

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Ch_Zaqdt

Codeforces Global Round 2 B. Alyona and a Narrow Fridge(二分)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 https://blog.csdn.net/Charles_Zaqd...

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Ch_Zaqdt

Codeforces Global Round 2 A. Ilya and a Colorful Walk(思维)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 https://blog.csdn.net/Charles_Zaqd...

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Ch_Zaqdt

Codeforces Round #550 (Div. 3) D. Equalize Them All(思维)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 https://blog.csdn.net/Charles_Zaqd...

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Ch_Zaqdt

Codeforces Round #550 (Div. 3) F. Graph Without Long Directed Paths(dfs染色)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 https://blog.csdn.net/Charles_Zaqd...

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Ch_Zaqdt

Codeforces Round #547 (Div. 3) B. Maximal Continuous Rest(思维)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 http...

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Ch_Zaqdt

Codeforces Round #547 (Div. 3) A. Game 23(思维)

版权声明:欢迎转载,若转载,请标明出处,如有错误,请指点,也欢迎大佬们给出优化方法 http...

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Ch_Zaqdt

Codeforces Round #548 (Div. 2) C. Edgy Trees(思维+dfs)

题目链接:https://codeforces.com/contest/1139/problem/C

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Ch_Zaqdt

树状数组求逆序数

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Ch_Zaqdt

Codeforces Round #547 (Div. 3) C. Polycarp Restores Permutation(思维)

题目链接:https://codeforces.com/contest/1141/problem/C

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Ch_Zaqdt

Codeforces Round #547 (Div. 3) D. Colored Boots(思维)

题目链接:https://codeforces.com/contest/1141/problem/D

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Ch_Zaqdt

Codeforces Round #546 (Div. 2) C. Nastya Is Transposing Matrices(思维)

题目链接:https://codeforces.com/contest/1136/problem/C

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Ch_Zaqdt

Codeforces Round #546 (Div. 2) B. Nastya Is Playing Computer Games(思维)

题目链接:https://codeforces.com/contest/1136/problem/B

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Ch_Zaqdt

Codeforces Round #543 (Div. 2, based on Technocup 2019 Final Round) B. Mike and Children(思维)

题目链接:https://codeforces.com/contest/1121/problem/B

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