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:
2014-06-20 08:59:38
阅读次数:
235
题目
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.
方法
使用两个矩阵,分别记录每一行连续的1的个数以及每一列连续的1的个数。
public int maximalRec...
分类:
其他好文 时间:
2014-06-11 00:24:51
阅读次数:
343
题目
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.
Above is a histogram w...
分类:
其他好文 时间:
2014-06-10 15:34:02
阅读次数:
252
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:
2014-06-10 09:14:50
阅读次数:
211
第一种方法,暴力求解,从当前向左右两个方向扫描比自己小的,然后计算面积,时间复杂度O(n^2)code如下,但是在LeetCode上回超时。
1 class Solution { 2 public: 3 int largestRectangleArea(vector &height) {
4...
分类:
其他好文 时间:
2014-06-08 21:24:07
阅读次数:
328
Find the contiguous subarray within an array (containing at least one number) which has the largest sum....
分类:
其他好文 时间:
2014-06-08 15:54:08
阅读次数:
258
When I finished reading this problem,I thought
I could solve it by scan every single subarray in the array,and the time
complexity is cubic.Every su.....
分类:
其他好文 时间:
2014-06-04 15:30:52
阅读次数:
255
【题目】
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.
【题意】
给定一个由0和1填充的二维矩阵,找一个全是1的最大矩形
【思路】
扫描二维矩阵,凡是扫到值为1的块时候,以当前块为矩形的左上角区块拓展,找最大矩阵。
先找出以每个“1”区块为左上角区块的最大矩形,然后求出最大全局的最大矩...
分类:
其他好文 时间:
2014-06-02 23:08:07
阅读次数:
289
【题目】
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.
Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3].
The...
分类:
其他好文 时间:
2014-06-01 10:46:29
阅读次数:
242
In the 2020 grid below, four numbers along a diagonal line have been marked in red.
08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 ...
分类:
其他好文 时间:
2014-06-01 10:04:38
阅读次数:
419