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Largest Rectangle in a Histogram
Largest Rectangle in a Histogram HDU - 1506 Largest Rectangle in a Histogram A histogram is a polygon composed of a sequence of rectangles aligned at ...
分类:其他好文   时间:2017-08-15 11:18:53    阅读次数:153
HDU - 1506 Largest Rectangle in a Histogram(dp)
题意:已知n个高度不一、宽度相同的矩形并列排放,求所形成的图形中最大的矩形面积。 分析: 1、对于每一个矩形,分别算出它左边连续比它高的矩形中最左边的下标,右边同理。通过(r[i] - l[i] + 1) * a[i]比较得到最大的矩形面积。 2、将一组高度依次降低的矩形看成一个整体,如果该矩形比这 ...
分类:其他好文   时间:2017-08-10 22:22:34    阅读次数:165
53. Maximum Subarray【leetcode】
53. Maximum Subarray【leetcode】 Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, g ...
分类:其他好文   时间:2017-08-10 11:42:48    阅读次数:152
hdu 2870 Largest Submatrix
Largest Submatrix http://acm.hdu.edu.cn/showproblem.php?pid=2870 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Prob ...
分类:其他好文   时间:2017-08-08 21:41:34    阅读次数:183
[leetcode-152-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],t ...
分类:其他好文   时间:2017-08-08 19:42:37    阅读次数:149
[poj 3254] Corn Fields 状压dp
Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some ...
分类:其他好文   时间:2017-08-07 15:54:54    阅读次数:250
单调栈
Largest Rectangle in a Histogram POJ - 2559 用结构体存矩形的宽和高。 如果新来的矩形高小于等于栈顶的矩形,就弹出,并计算更新面积,把栈顶的矩形宽度累加到下一个矩形。 1 #include <iostream> 2 #include <cstdio> 3 u ...
分类:其他好文   时间:2017-08-07 11:49:45    阅读次数:179
UVA 572 dfs求连通块
The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of ...
分类:其他好文   时间:2017-08-06 19:39:40    阅读次数:223
515. Find Largest Value in Each Tree Row
经典bfs, 不多说 ...
分类:其他好文   时间:2017-08-06 19:27:01    阅读次数:108
poj 2459 Sumsets
Sumsets Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11612 Accepted: 3189 Description Given S, a set of integers, find the largest d suc ...
分类:其他好文   时间:2017-08-04 21:35:42    阅读次数:125
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