ZOJ2540 Form a Square

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Form a Square 题意就是判断给你四个点,能否组成一个正方形要点: 格式很重要, 很重要!!! 数据很小,直接暴力四个点判断是否为正方形,只需将所有可能的边长度算出来,然后选其中最短的边作为正方形的边长,进行比较,看有没有符合的四条边 #include<iostream> #include<algorithm> #include<cmath> using namespace std; ; typedef struct aa{ int x, y; }AA…

[LeetCode] Matchsticks to Square 火柴棍组成正方形

Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, please find out a way you can make one square by using up all those matchsticks. You should not break any stick, but you can link them up, a…

Leetcode: Matchsticks to Square && Grammar: reverse an primative array

Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, please find out a way you can make one square by using up all those matchsticks. You should not break any stick, but you can link them up, a…

HDU1518 Square(DFS,剪枝是关键呀)

Square Time Limit : 10000/5000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 9 Accepted Submission(s) : 4 Problem Description Given a set of sticks of various lengths, is it possible to join them end-to-end to form…

Facebook Hacker Cup 2014 Qualification Round 竞赛试题 Square Detector 解题报告

Facebook Hacker Cup 2014 Qualification Round比赛Square Detector题的解题报告.单击这里打开题目链接(国内访问需要那个,你懂的). 原题如下: Square Detector Problem Description You want to write an image detection system that is able to recognize different geometric shapes. In the first ver…