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算法:ACM二分图匹配 HDU2063题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=2063摘录于互联网,原创作者redraiment,很详细的二分图匹配入门资料!#include <stack>#include <cstdio>#include <cstring>#include <iostream>using namespace std;typedef struct node { int ord; node * next;}Node;const int size = 512 + 1;Node l 阅读全文
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Squarefree numberTime Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1125 Accepted Submission(s): 274 Problem DescriptionIn mathematics, a squarefree number is one which is divisible by no perfect squares, except 1. For example, 10 is square-free bu 阅读全文