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摘要: ACboy needs your help Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5963 Accepted Submission(s) 阅读全文
posted @ 2016-04-23 19:27 Ritchie丶 阅读(238) 评论(0) 推荐(0) 编辑
摘要: http://www.cnblogs.com/Yu2012/archive/2011/10/09/2199156.html 阅读全文
posted @ 2016-04-23 19:26 Ritchie丶 阅读(194) 评论(0) 推荐(0) 编辑
摘要: Children’s Queue Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 13333 Accepted Submission(s): 43 阅读全文
posted @ 2016-04-23 19:25 Ritchie丶 阅读(438) 评论(0) 推荐(0) 编辑
摘要: 找新朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10401 Accepted Submission(s): 5493 Problem D 阅读全文
posted @ 2016-04-23 19:23 Ritchie丶 阅读(460) 评论(0) 推荐(0) 编辑
摘要: 题目链接 题意:给定m个H和n个D(1<=n,m<=20),问这些字母构成的序列中,对于任意位置,从左开始数H的累积个数总是不比D的累计数少的排列有多少种。 题解:二维DP,画一个正方形,从左上角到右下角画一条线,右上方区域就是我们所要求的。另外注意这个题的输入顺序是先输入m再输入n。 虽然知道深搜 阅读全文
posted @ 2016-04-23 19:22 Ritchie丶 阅读(392) 评论(0) 推荐(0) 编辑
摘要: Hat's Fibonacci Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10568 Accepted Submission(s): 350 阅读全文
posted @ 2016-04-23 19:20 Ritchie丶 阅读(422) 评论(0) 推荐(0) 编辑
摘要: How Many Trees? Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3397 Accepted Submission(s): 1964 阅读全文
posted @ 2016-04-23 19:19 Ritchie丶 阅读(195) 评论(0) 推荐(0) 编辑
摘要: FatMouse' Trade Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 62898 Accepted Submission(s): 212 阅读全文
posted @ 2016-04-23 19:17 Ritchie丶 阅读(478) 评论(0) 推荐(0) 编辑
摘要: Number Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 147161 Accepted Submission(s): 35 阅读全文
posted @ 2016-04-23 19:15 Ritchie丶 阅读(182) 评论(0) 推荐(0) 编辑
摘要: Let the Balloon Rise Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 102132 Accepted Submission(s 阅读全文
posted @ 2016-04-23 19:14 Ritchie丶 阅读(178) 评论(0) 推荐(0) 编辑
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