2016年4月27日
Codeforces Beta Round #11 B. Jumping Jack 数学
摘要： B. Jumping Jack 题目连接： http://www.codeforces.com/contest/11/problem/B Description Jack is working on his jumping skills recently. Currently he's locate 阅读全文
posted @ 2016-04-27 20:15 qscqesze 阅读(884) 评论(0) 推荐(0)
Codeforces Beta Round #11 A. Increasing Sequence 贪心
摘要： A. Increasing Sequence 题目连接： http://www.codeforces.com/contest/11/problem/A Description A sequence a0, a1, ..., at 1 is called increasing if ai 1 usin 阅读全文
posted @ 2016-04-27 20:01 qscqesze 阅读(1185) 评论(0) 推荐(0)
BZOJ 3504: [Cqoi2014]危桥 最大流
摘要： 3504: [Cqoi2014]危桥 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=3504 Description Alice和Bob居住在一个由N座岛屿组成的国家，岛屿被编号为0到N 1。某些岛屿之间有桥相连，桥上的道路是双 向的，但 阅读全文
posted @ 2016-04-27 19:39 qscqesze 阅读(489) 评论(0) 推荐(0)
BZOJ 4517: [Sdoi2016]排列计数 错排公式
摘要： 4517: [Sdoi2016]排列计数 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4517 Description 求有多少种长度为 n 的序列 A，满足以下条件： 1 ~ n 这 n 个数在序列中各出现了一次 若第 i 个数 A[ 阅读全文
posted @ 2016-04-27 19:07 qscqesze 阅读(466) 评论(0) 推荐(0)
Codeforces Beta Round #10 D. LCIS 动态规划
摘要： D. LCIS 题目连接： http://www.codeforces.com/contest/10/problem/D Description This problem differs from one which was on the online contest. The sequence a 阅读全文
posted @ 2016-04-27 15:50 qscqesze 阅读(503) 评论(0) 推荐(1)
Codeforces Beta Round #10 C. Digital Root 数学
摘要： C. Digital Root 题目连接： http://www.codeforces.com/contest/10/problem/C Description Not long ago Billy came across such a problem, where there were given 阅读全文
posted @ 2016-04-27 15:31 qscqesze 阅读(463) 评论(0) 推荐(0)
Codeforces Beta Round #10 B. Cinema Cashier 暴力
摘要： B. Cinema Cashier 题目连接： http://www.codeforces.com/contest/10/problem/B Description All cinema halls in Berland are rectangles with K rows of K seats e 阅读全文
posted @ 2016-04-27 15:08 qscqesze 阅读(663) 评论(0) 推荐(0)