LA 6540 Fibonacci Tree

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以前做过的题···重新做一遍之后怎么做怎么wa···后来GG了···第二天看不知道为啥A了···难道我失忆了? 题意:无向图,边有黑色和白色两种颜色,求是否存在一个生成树中白边的个数是斐波那契数. 解法:并查集.对边按颜色进行排序,白边在前用并查集计算生成树中白边个数,再倒着算一遍,得到生成树的白边的最大值和最小值,判断其中有没有斐波那契数,注意要判断是否能构成生成树. 代码: #include<stdio.h> #include<iostream> #include<alg…

HDU 4786 Fibonacci Tree

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hdu 4786 Fibonacci Tree (2013ACMICPC 成都站 F)

http://acm.hdu.edu.cn/showproblem.php?pid=4786 Fibonacci Tree Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 49 Accepted Submission(s): 26 Problem Description Coach Pang is interested in Fi…

hdoj 4786 Fibonacci Tree【并查集+最小生成树（kruskal算法）】

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Fibonacci Tree（最小生成树，最大生成树）

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HDU 4786 Fibonacci Tree 最小生成树

Fibonacci Tree 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=4786 Description Coach Pang is interested in Fibonacci numbers while Uncle Yang wants him to do some research on Spanning Tree. So Coach Pang decides to solve the following problem: Consi…