Best Cow Line---poj3617（贪心）

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poj3617 best cow line（贪心题）

Best Cow Line Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 32687 Accepted: 8660 Description FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arranges his…

POJ 3617 Best Cow Line （贪心）

Best Cow Line Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16104 Accepted: 4547 Description FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arrang…

POJ 3617：Best Cow Line（贪心，字典序）

Best Cow Line Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30684 Accepted: 8185 Description FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arranges his…

POJ3617：Best Cow Line （贪心&&后缀数组）

FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arranges his cows in a line and herds them past the judges. The contest organizers adopted a new registration scheme this…

poj3617 Best Cow Line（贪心，字典序问题）

https://vjudge.net/problem/POJ-3617 这类字符串处理字典序问题经常用到贪心, 每决定输出一个字符之前,都要前后i++,j--逐个比大小,直至比出为止. #include<iostream> #include<cstdio> #include<queue> #include<cstring> #include<algorithm> #include<cmath> #include<set>…

POJ3617 Best Cow Line【贪心】

Description 给定长度为n的字符串S,要构造一个长度为n的字符串T.起初,T是空串,随后反复进行下列任意操作: 1.从S的头部删除一个字符,加到T的尾部 2.从S的尾部删除一个字符,加到T的尾部目标是构造字典序最小的字符串T(1<=n<=2000) Input 第一行为字符串长度n,之后n行每行一个字符,字符串只包含大写字母 Output 输出字典序最小的字符串T,输出时一行只能输出80个字符 Sample Input 6 A C D B C B Samp…

POJ 3617 Best Cow Line ||POJ 3069 Saruman's Army贪心

带来两题贪心算法的题. 1.给定长度为N的字符串S,要构造一个长度为N的字符串T.起初,T是一个空串,随后反复进行下面两个操作:1.从S的头部删除一个字符,加到T的尾部.2.从S的尾部删除一个字符,加到T的尾部.求你任意采取这两个步骤后能得到的最小字符串T 2.直线上有N个点,点i的位置是xi,这N个点中选择若干个做上标记,对于每个点,在他们距离为R的区域内必须带有标记点,求在满足这个条件的情况下,所需要标记点的最少个数. 1.POJ 3617 Best Cow Line http://poj.…