许久的学习小窝

寒假训练三 G  抓牛 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow

可以说这个题思路是非常简单了，打素数表，再广搜。。。一些不好懂的都在代码里注释了http://poj.org/problem?id=3126 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<queue> #include&...