SPOJ LEXSTR 并查集

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题目描述: Taplu and Abhishar loved playing scrabble. One day they thought of inventing a new game using alphabet tiles. Abhishar wrote a string using tiles and gave a set of pairs (i,j) to Taplu. Pair “i, j” (0 based indexing) means that Taplu can swap t…

SPOJ IAPCR2F 【并查集】

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SPOJ GSS4 Can you answer these queries IV ——树状数组并查集

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SPOJ：Lexicographically Smallest（并查集&排序）

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Mutual Training for Wannafly Union #6 E - Summer Trip(并查集)

题目链接:http://www.spoj.com/problems/IAPCR2F/en/ 题目大意: 给m个数字代表的大小,之后n组数据,两两关联,关联后的所有数字为一组,从小到大输出组数以及对应的组数数字和. 解题思路: 很明显一个并查集,5个月前的这场比赛,过三四题的人不少,其实有3题是大众题,这题当时知道是并查集,可是当时对其理解不深,没A掉.现在回头来补题,用数组存储莫名WA,改用vector玄学AC.下次回头来看应该又用不一样的感受吧! 丑代码: #include <stdio.h>…

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