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[LeetCode]*85.Maximal Rectangle
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.思路对于上图的一个01矩阵。我们可以一行一行的分析,假设第三行,我们按列扫描,遇到0时,柱子断开,重新形成柱子,遇到1时柱子高度加一。这样的话,我们就可以把问题转换...
分类:其他好文   时间:2015-05-14 22:05:23    阅读次数:137
Again Prime? No Time.(uva10870+数论)
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 power of m, not ne...
分类:其他好文   时间:2015-05-14 20:37:11    阅读次数:118
[LeetCode]*84.Largest Rectangle in Histogram
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 ba...
分类:其他好文   时间:2015-05-13 19:52:46    阅读次数:125
【Largest Rectangle in Histogram】cpp
题目:Givennnon-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the his...
分类:其他好文   时间:2015-05-13 10:09:33    阅读次数:156
PE 4 Largest palindrome product(最大回文)
题目A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 99.Find the larges...
分类:其他好文   时间:2015-05-13 00:51:35    阅读次数:228
hdu 2870 Largest Submatrix(hdu 1505的加强版)
1.ans=max(全为a的最大矩阵,全为b的最大矩阵,全为c的最大矩阵) 2.代码: #include #include #include using namespace std; const int INF=1<<30; char mat[1005][1005]; int a[1005][1005]; int b[1005][1005]; int c[1005][1005]; int L...
分类:其他好文   时间:2015-05-12 09:30:36    阅读次数:134
Largest Rectangle in Histogram
Givennnon-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histog...
分类:其他好文   时间:2015-05-09 01:13:01    阅读次数:169
hdu1506---Largest Rectangle in a Histogram(单调栈)
Problem Description A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have different heights. For example, the figur...
分类:其他好文   时间:2015-05-07 22:16:16    阅读次数:143
hdu 1506 Largest Rectangle in a Histogram(求最大的矩形)
1.注意要把a[]定义为LL,我在这里wa了N次 2.寻找边界时,得用dp思想 AC代码:#include #include #define LL long long using namespace std; const LL INF=1<<60; LL a[100005];//要定义为LL int L[100005]; int R[100005]; int main() { in...
分类:其他好文   时间:2015-05-07 00:55:21    阅读次数:108
URAL1146——DP——Maximum Sum
DescriptionGiven a 2-dimensional array of positive and negative integers, find the sub-rectangle with the largest sum. The sum of a rectangle is the s...
分类:其他好文   时间:2015-05-06 22:28:44    阅读次数:144
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