HDU 5860 Death Sequence(递推) 题目链接http://acm.split.hdu.edu.cn/showproblem.php?pid=5860 Description You may heard of the Joseph Problem, the story comes from a Jewish historian living in 1st century. He and his 40 comrade soldiers were trapped in a cave…
彼岸 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5533 Accepted Submission(s): 3213 Problem Description 突破蝙蝠的包围,yifenfei来到一处悬崖面前,悬崖彼岸就是前进的方向,好在现在的yifenfei已经学过御剑术,可御剑轻松飞过悬崖.现在的问题是:悬崖中间飞着很多红,黄…
Recursive sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2882 Accepted Submission(s): 1284 Problem Description Farmer John likes to play mathematics games with his N cows. Recently,…
题目的匹配应该也要看成一个文本串与另一个模式串的匹配过程 Text是以当前i结尾的后缀来匹配Pattern的前缀(非真) 这里的Pattern肯定是可以匹配成功的,直接由next来保证(next总是当前结尾的最大前缀,恰好满足递推的需要) (说的不是很准确,就是kmp匹配过程时使用的方法) 举个栗子: a b a b a c b a 0 0 1 2 3 0 0 1 next 1 1 1 1 1 1 1 1 dp 初始合法状态 1 1 2 2 3 1 1 2 dp 最终计算结果 dp[1] = 1…
Problem Description You may heard of the Joseph Problem, the story comes from a Jewish historian living in 1st century. He and his 40 comrade soldiers were trapped in a cave, the exit of which was blocked by Romans. They chose suicide over capture an…