Welcome!!! to my presentation ！, About friendship, and growth. When i was little(靠过来正式), i used to make many friends. no matter who they are!, we can ...
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其他好文 时间：
2020-06-29 00:51:57
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104
Welcome!!! to my presentation ！, About friendship, and growth. When i was little(靠过来正式), i used to make many friends. no matter who they are!, we can ...
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其他好文 时间：
2020-06-29 00:25:26
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77
There are N students in a class. Some of them are friends, while some are not. Their friendship is transitive in nature. For example, if A is a direct ...
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其他好文 时间：
2020-03-11 12:41:31
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74
Reberland Linguistics CodeForces - 666A First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most ...
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其他好文 时间：
2019-07-06 00:09:13
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112
There are N students in a class. Some of them are friends, while some are not. Their friendship is transitive in nature. For example, if A is a direct ...
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其他好文 时间：
2019-05-17 16:56:03
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164
There are N students in a class. Some of them are friends, while some are not. Their friendship is transitive in nature. For example, if A is a direct ...
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其他好文 时间：
2019-04-06 18:27:49
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93
Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funn ...
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其他好文 时间：
2019-04-02 21:22:14
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204
题目大意：给定一张无向图，要求如果 A 与 B 之间有边，B 与 C 之间有边，那么 A 与 C 之间也需要有边。问这张图是否满足要求。 题解：根据以上性质，即：A 与 B 有关系，B 与 C 有关系，那么 A 和 C 也要有关系，因此可以采用并查集加以维护，维护关系的同时顺便维护各个联通块的大小， ...
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其他好文 时间：
2018-11-30 20:20:57
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171
There are N students in a class. Some of them are friends, while some are not. Their friendship is transitive in nature. For example, if A is a direct... ...
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其他好文 时间：
2018-11-06 11:10:11
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140
In modern society, each person has his own friends. Since all the people are very busy, they communicate with each other only by phone. You can assume ...
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其他好文 时间：
2018-08-03 19:44:46
阅读次数：
156
