1506意甲冠军:给你一个连续的直方图(拼贴底部长度1).求连续基质区. 对每一个直方图,分别向左向右进行扩展. #include<cstdio> #include<stdlib.h> #include<string.h> #include<string> #include<map> #include<cmath> #include<iostream> #include <queue> #include <…

Largest Rectangle in a Histogram Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 17635    Accepted Submission(s): 5261   Problem Description A histogram is a polygon composed of a sequence of r…

题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=1506 题目大意: 给出一个数列An,问以Ai为最小值的区间内有多少个元素? 解题思路: 手动模拟一个栈.栈内元素为一个单调不递减序列.当新元素Ai需要进栈,如果栈顶元素大于Ai,弹出栈顶元素,直到栈顶元素不大于Ai,Ai进栈. 这里可以保证i是高为栈顶元素的矩形向后延伸的边界,弹出过程中记录高为Ai的矩阵向前延伸的边界. //#include <bits/stdc++.h> #include &…

记录动态规划dpl,dpr,分辨记录i左面的比i大的,右面比i大的,然后(dpr[i]-dpl[i]+1)*h[i]得出长度 动态转移方程while(temp>1 && h[temp-1]>=h[i]) temp=dpl[temp-1] /************************************************************************* > File Name: hdu1506.cpp > Author: yang &…

Largest Rectangle in a Histogram http://acm.hdu.edu.cn/showproblem.php?pid=1506 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Problem Description A histogram is a polygon composed of a sequence of rectangles alig…

Largest Rectangle in a Histogram http://acm.hdu.edu.cn/showproblem.php?pid=1506 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23458    Accepted Submission(s): 7362 Problem Description A histog…

http://acm.hdu.edu.cn/showproblem.php?pid=1506  || http://poj.org/problem?id=2559 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19316    Accepted Submission(s): 5829 Problem Description A hist…

E - Largest Rectangle in a Histogram Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1506 Appoint description: Description A histogram is a polygon composed of a sequence of rectangles aligned a…

Largest Rectangle in a Histogram 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 figure on the left sh…

题目链接:HDU - 1506 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 figure on the left shows the histogram that consists of rec…