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poj 1753 Flip Game(高斯消元)
Flip Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 30805   Accepted: 13409 Description Flip game is played on a rectangular 4x4 field with two-sided...
分类:其他好文   时间:2014-08-24 18:07:32    阅读次数:209
Largest Rectangle in Histogram
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 hist...
分类:其他好文   时间:2014-08-22 21:04:59    阅读次数:168
Maximal Rectangle
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.思路:参见《浅谈用极大化思想解决最大子矩形问题》。这道题我不会,还...
分类:其他好文   时间:2014-08-21 22:45:04    阅读次数:178
UVA - 1393 Highways
Description Hackerland is a happy democratic country with m×n cities, arranged in a rectangular m by n grid and connected by m roads in the east-west direction and n roads in the north-south di...
分类:其他好文   时间:2014-08-20 22:45:43    阅读次数:425
Maximum Subarray
Maximum SubarrayFind the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?...
分类:其他好文   时间:2014-08-19 18:12:55    阅读次数:279
leetcode第一刷_Largest Rectangle in Histogram
非常难的问题,数组线性时间。属于我之前说的解法的借助辅助空间。给定两个柱子,他们之间的面积由什么确定呢?没错,他们之间的距离和他们之间最矮的那个柱子的高度。我们并不知道这个柱子在什么位置,所以仅仅能遍历,这个复杂度就上去了。那有没有一个方法避免找中间小柱子呢?先想什么情况下不用找。除非你知道枚举出两...
分类:其他好文   时间:2014-08-19 16:16:44    阅读次数:176
A - Class Statistics
A - Class Statistics Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %lluSubmit Status Practice UVALive 5682Description ///最开始 没有读懂 Largest....
分类:其他好文   时间:2014-08-18 18:13:42    阅读次数:174
UVA - 10780 Again Prime? No Time. (质因子分解)
Description Again Prime? No time. Input: standard input Output: standard output Time Limit: 1 second The problem statement is very easy. Given a number n you have to determine the largest p...
分类:其他好文   时间:2014-08-18 14:34:52    阅读次数:193
UVA - 11388 GCD LCM
II U C   ONLINE   C ON TEST   2 008 Problem D: GCD LCM Input: standard input Output: standard output   The GCD of two positive integers is the largest integer ...
分类:其他好文   时间:2014-08-17 21:24:53    阅读次数:189
POJ 2559 Largest Rectangle in a Histogram RMQ || 单调栈
题目链接:点击打开链接 题意就是求最大面积 枚举每个柱子作为起点 然后二分两边长度。 求个区间最值。 #include #include #include using namespace std; #define ll long long #define N 100100 inline bool rd(int &n){ int x = 0, tmp = 1; ...
分类:其他好文   时间:2014-08-16 18:34:41    阅读次数:228
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