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A|B 题意： 给出一个整数n(1<=n<=10100)，求Σd（d满足d可以整除n），同时保证不存在x^2有x^2可以整除n。 另外，n的质因子满足小于等于1000。 题解： 这题是我第一道用python做的题...毕竟大数C写起来还是挺麻烦的。 根据唯一分解定理我们知道n=p1^a1*p2^a2 阅读全文
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Food Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8185 Accepted Submission(s): 2702 题目链接：http: 阅读全文
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Island Transport Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 13187 Accepted Submission(s): 阅读全文
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Power Network 题目链接:http://poj.org/problem?id=1459 Description: A power network consists of nodes (power stations, consumers and dispatchers) connected 阅读全文
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Minimum Cost 题目链接：http://poj.org/problem?id=2516 Description: Dearboy, a goods victualer, now comes to a big problem, and he needs your help. In his s 阅读全文
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Going Home 题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4289 Description:On a grid map there are n little men and n houses. In each unit time, every 阅读全文