摘要: <center Final Pan's prime numbers</center 题目连接:http://acm.uestc.edu.cn/ /problem/show/1272 题意给你n,要求你在[4,n]范围内找到一个最大的质数x,使得x 4和x+4也是质数 题解: 数学 只有7是满足的... 阅读全文
posted @ 2015-12-17 18:18 qscqesze 阅读(430) 评论(0) 推荐(0) 编辑
摘要: <center Cleaning Shifts</center 题目连接:http://poj.org/problem?id=2376 DescriptionFarmer John is assigning some of his N (1 <= N <= 25,000) cows to do ... 阅读全文
posted @ 2015-12-17 00:12 qscqesze 阅读(405) 评论(0) 推荐(0) 编辑