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Poj 2559 Largest Rectangle in a Histogram(柱形统计图中的最大矩形面积)
?? 给出一个柱形统计图中,求其中的最大矩形面积 做完这道题,搜了一下题解大部分基本都是单调栈......然而做之前并不知道这是什么,其实用递推也可以做这道题,理解起来比较容易。 用两个数组l,r记录当前坐标可以向左和向右延伸的最远位置的坐标,然后就是递推了。 初始时将l[i],r[i]的值置为i,即自己的坐标。这里拿l[i]举例: 从左向右扫描统计图,计算当前位置的l[i]时,如果...
分类:其他好文   时间:2015-06-30 22:04:13    阅读次数:193
poj1753枚举
Flip GameTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 33670Accepted: 14713DescriptionFlip game is played on a rectangular 4x4 field with t...
分类:其他好文   时间:2015-06-30 21:53:52    阅读次数:103
android.view.View
* This class represents the basic building block for user interface components. A View* occupies a rectangular area on the screen and is responsible f...
分类:移动开发   时间:2015-06-30 14:47:39    阅读次数:283
Leetcode 215 Kth Largest Element in an Array
1. 问题描述  找出数组中第k大的数,注意:数组为无序数组。   2. 方法与思路  是一道经典算法题。解法也有好几种,一种是先进行排序,然后取出第k大的数;由于排序算法最快效率为O(nlogn)O(nlogn),所以整体效率为O(nlogn)O(nlogn)。二是使用优先队列,SLT中有优先队列的用法,内部是以堆的方式实现。时间效率也比较高,O(nlogn)O(nlogn)。   class...
分类:其他好文   时间:2015-06-29 10:19:30    阅读次数:97
一些项目——深度搜索
Problem Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a tile, he can move to one of four adja...
分类:其他好文   时间:2015-06-28 17:36:15    阅读次数:155
Largest Number -- leetcode
Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result may be ve...
分类:其他好文   时间:2015-06-28 12:48:49    阅读次数:112
CodeForces 1A Theatre Square
A. Theatre SquareTheatre Square in the capital city of Berland has a rectangular shape with the sizen?×?mmeters. On the occasion of the city's anniver...
分类:其他好文   时间:2015-06-27 11:22:09    阅读次数:179
LeetCode——Largest Number
Description:Given a list of non negative integers, arrange them such that they form the largest number.For example, given [3, 30, 34, 5, 9], the large...
分类:其他好文   时间:2015-06-26 06:50:25    阅读次数:104
LeetCode——Kth Largest Element in an Array
Description:Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct eleme...
分类:其他好文   时间:2015-06-26 00:19:23    阅读次数:113
53. 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:2015-06-25 10:17:54    阅读次数:133
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