两个都是最长上升子序列,所以就放一起了 1631 因为长度为40000,所以要用O(nlogn)的算法,其实就是另用一个数组c来存储当前最长子序列每一位的最小值,然后二分查找当前值在其中的位置:如果当前点不能作为当前最长子序列的最大值,则更新找到值为两者间的较小值. 2533 就是一个裸的最长上升子序列...这里就不多说了,直接dp就好... 1611: #include <iostream> #include <cstring> #include <cstdio> #…

传送门: http://poj.org/problem?id=2533 Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 61731   Accepted: 27632 Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the…

作者:jostree 转载请注明出处 http://www.cnblogs.com/jostree/p/4098562.html 题目链接:poj 2533 Longest Ordered Subsequence 最长递增子序列 使用$len[i]$表示序列中所有长度为$i$的递增子序列中最小的第$i$个数的值为$len[i]$.对于序列的第j个数$arr[j]$,在$len$中二分查找,找到最后一个小于$arr[j]$的数$len[k]$,如果$len[k]$是序列$len$中最后的一个数,那…

Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 47465   Accepted: 21120 Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ...…

题目链接:http://poj.org/problem?id=2533 Time Limit: 2000MS Memory Limit: 65536K Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ...,…

传送门 Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 <= i1 < i2 < ... < iK <= N. For example, s…

  Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 <= i1 < i2 < ... < iK <= N. For example, seq…

Description A numeric sequence of ai is ordered ifa1 <a2 < ... < aN. Let the subsequence of the given numeric sequence (a1,a2, ..., aN) be any sequence (ai1,ai2, ..., aiK), where 1 <=i1 < i2 < ... < iK <=N. For example, sequence (1…

Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 38980   Accepted: 17119 Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ...…

一.Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 <= i1 < i2 < ... < iK <= N. For example, seq…