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hdu 4006 The kth great number (优先队列)
优先队列头文件#include 默认优先为从大到小优先。自定义优先级 1 struct cmpmin{ //按从小到大 2 3 // 因为标准库默认使用元素类型的b; //所以规定小的元素...
分类:其他好文   时间:2014-10-28 00:24:09    阅读次数:243
Pascal's Triangle II
Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3,Return [1,3,3,1].Note:Could you optimize your algorithm to use...
分类:其他好文   时间:2014-10-27 17:33:44    阅读次数:223
[leetcode]Pascal's Triangle II
问题描述: Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3, Return [1,3,3,1]. Note: Could you optimize your algorithm to use only O(k) extra space? 思路: ...
分类:其他好文   时间:2014-10-26 11:46:08    阅读次数:251
HDU 2870 Largest Submatrix (单调栈)
http://acm.hdu.edu.cn/showproblem.php?pid=2870 Largest Submatrix Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1569    Accepted Submissi...
分类:其他好文   时间:2014-10-26 01:39:00    阅读次数:213
UVa 836 - Largest Submatrix
题目:给你一个n*n的01矩阵,求里面最大的1组成的矩形的米娜及。 分析:dp,单调队列。UVa 1330同题,只是输入格式变了。             我们将问题分解成最大矩形,即求解以k行为底边的图形中的最大矩形,然后合并,求最大的矩形;                        预处理: 求出以每行为底边的每一列从底边开始向上的最大连续1的高度MaxH。 O(N^2) ; ...
分类:其他好文   时间:2014-10-24 22:19:16    阅读次数:267
[Leetcode] Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:其他好文   时间:2014-10-24 18:14:41    阅读次数:180
【LeetCode刷题Java版】Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the largest pr...
分类:编程语言   时间:2014-10-24 13:01:16    阅读次数:222
Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4],the...
分类:其他好文   时间:2014-10-24 10:26:11    阅读次数:269
Uva--11324--The Largest Clique【有向图强连通分量+最大团】
链接:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&category=25&problem=2299&mosmsg=Submission+received+with+ID+14404690 题意:一个有向图,找一个最大的点集使得任意两点u、v间都存在一条路(单向或双向)...
分类:其他好文   时间:2014-10-23 16:25:21    阅读次数:205
HDU 2136 Largest prime factor
水题,晒一遍素数并标注就OK了。 #include #include #include #include #include #include #include #include #include #include #include #include #include #define INF 0x7fffffff #define eps 1e-8 #define LL long long...
分类:其他好文   时间:2014-10-23 12:33:57    阅读次数:136
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