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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
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
410. Split Array Largest Sum
二分法: 动归: 最大, 最小, 不能排序, 而且是求区间和的改写, 先考虑用一维动归, dp[m]表示分为m组, 写不出状态转移方程. 并且, 这是最大值最小的问题, 先找最大, 再找最小, 所以用二维数组, 题中就是组数, 和第几个人是变量, 因此dp[m][n] 表示将n个人分为m组的结果值, ...
分类:其他好文   时间:2017-08-03 20:30:40    阅读次数:150
515. Find Largest Value in Each Tree Row
You need to find the largest value in each row of a binary tree. Example: Input: 1 / \ 3 2 / \ \ 5 3 9 Output: [1, 3, 9] /** * Definition for a binary ...
分类:其他好文   时间:2017-08-02 16:27:13    阅读次数:207
projecteuler----&gt;problem=11----Largest product in a grid
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 ...
分类:其他好文   时间:2017-08-02 13:54:24    阅读次数:171
hdu 5128 The E-pang Palace
E-pang Palace was built in Qin dynasty by Emperor Qin Shihuang in Xianyang, Shanxi Province. It was the largest palace ever built by human. It was so ...
分类:其他好文   时间:2017-07-31 20:52:15    阅读次数:167
Lintcode-Max Tree
为啥用栈, 数组相对顺序不能变, 要找第一个比当前元素小的元素, 或大的元素, 同84. Largest Rectangle in Histogram 同84. Largest Rectangle in Histogram 在数组后面加"0", 这些操作都是为了遍历所有的元素, 有的不需要遍历所有的 ...
分类:其他好文   时间:2017-07-26 23:39:47    阅读次数:201
Largest Submatrix of All 1’s
Given a m-by-n (0,1)-matrix, of all its submatrices of all 1’s which is the largest? By largest we mean that the submatrix has the most elements. Inpu ...
分类:其他好文   时间:2017-07-26 14:40:25    阅读次数:135
[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, ...
分类:其他好文   时间:2017-07-25 19:30:46    阅读次数:155
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