2017年7月21日
U - Radar Installation
摘要： Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. E... 阅读全文
posted @ 2017-07-21 20:43 让你一生残梦 阅读(189) 评论(0) 推荐(0)
D - Cow Acrobats
摘要： Farmer John's N (1 #include #include #include using namespace std;long long num[50005];long long n,m,k... 阅读全文
posted @ 2017-07-21 19:48 让你一生残梦 阅读(158) 评论(0) 推荐(0)