Histogram LightOJ - 1083】的更多相关文章

Histogram LightOJ - 1083 题意:给出一个直方图,由n个长条组成,它们的x轴上坐标分别为1-n,读入n之后读入的一行中,第i个表示x轴上坐标为i的长条长度.求直方图最大的正方形面积. 方法: 核心是求出每个长条向左右可以"扩展"的最大长度. 法一:单调栈 将n个元素的编号依次入栈.每次入栈前,设要入栈的编号为x,对应长度为l,将栈顶的编号对应的长度大于等于l的所有编号出栈(由于此题的一些特性,将“大于等于”改为“大于”也可以使用,但这不是标准的单调栈).这之后,栈…
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 shows the histogram that consists of rectangles with the heights 2,…
1083 - Histogram   PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 64 MB 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…
提高自己的实力, 也为了证明, 开始板刷lightoj,每天题量>=1: 题目的类型会在这边说明,具体见分页博客: SUM=54; 1000 Greetings from LightOJ [简单A+B] 1001 Opposite Task  [简单题] 1002 Country Roads[搜索题] 1003 Drunk[判环] 1004 Monkey Banana Problem [基础DP] 1006 Hex-a-bonacci[记忆化搜索] 1008 Fibsieve`s Fantabu…
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 largest…
Largest Rectangle in a Histogram Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 19782   Accepted: 6393 Description A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal wi…
http://lightoj.com/volume_showproblem.php?problem=1422 做的第一道区间DP的题目,试水. 参考解题报告: http://www.cnblogs.com/ziyi--caolu/p/3236035.html http://blog.csdn.net/hcbbt/article/details/15478095 dp[i][j]为第i天到第j天要穿的最少衣服,考虑第i天,如果后面的[i+1, j]天的衣服不要管,那么dp[i][j] = dp[i…
题目: 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 histogram. Above is a histogram where width of each bar is 1, given h…
http://blog.csdn.net/abcbc/article/details/8943485 具体的题目描述为: 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…
题目链接:http://lightoj.com/volume_showproblem.php?problem=1298 题意:给你两个数 n, p,表示一个数是由前 k 个素数组成的,共有 n 个素数,然后求这样的所有的数的欧拉和: 例如 n = 3, p=2; 前两个素数是2,3, 然后因为n=3,所以要再选一个素数组成一个数,有两种选择2*3*2=12 和 2*3*3=18 结果就是Φ(12)+Φ(18) = 10; 我们可以用dp[i][j] 表示前 j 个素数中选择 i 个的结果,Φ[n…
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 shows the histogram that consists of rectang…
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 largest…
题目如下:(https://leetcode.com/problems/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 histogram.          Above is a hist…
首先上题目 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. For example,Given height = [2,1,5,6,2,3],return 10. 题目的大意即给出一个柱状图的歌数据,求柱状图内所包含的最大矩形. 这道…
http://lightoj.com/volume_showproblem.php?problem=1214 这就是一道简单的大数取余. 还想还用到了同余定理: 所谓的同余,顾名思义,就是许多的数被一个数d去除,有相同的余数.d数学上的称谓为模.如a=6,b=1,d=5,则我们说a和b是模d同余的.因为他们都有相同的余数1. //// 数学上的记法为: a≡ b(mod d) 可以看出当n<d的时候,所有的n都对d同商,比如时钟上的小时数,都小于12,所以小时数都是模12的同商. 对于同余有三种…
相关代码请戳 https://coding.net/u/tiny656/p/LightOJ/git 1006 Hex-a-bonacci. 用数组模拟记录结果,注意取模 1008 Fibsieve's Fantabulous Birthday. 找规律题,左边列是1 3平方 5平方......下边行是1 2平方 4平方......,找到当前数被包夹的位置,然后处理一下位置关系,注意奇偶. 1010 Kinghts in Chessboard. 规律题,对于m,n大于2的情况下,使用交叉放置的方法…
Largest Rectangle in a Histogram Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 16   Accepted Submission(s) : 6 Problem Description A histogram is a polygon composed of a sequence of rectangles…
Elasticsearch支持最直方图聚合,它在数字字段自动创建桶,并会扫描全部文档,把文档放入相应的桶中.这个数字字段既可以是文档中的某个字段,也可以通过脚本创建得出的. 桶的筛选规则 举个例子,有一个price字段,这个字段描述了商品的价格,现在想每隔5就创建一个桶,统计每隔区间都有多少个文档(商品). 如果有一个商品的价格为32,那么它会被放入30的桶中,计算的公式如下: rem = value % interval if (rem < 0) { rem += interval } buc…
Elasticsearch的聚合主要分成两大类:metric和bucket,2.0中新增了pipeline还没有研究.本篇还是来介绍Bucket聚合中的常用聚合--date histogram.参考:官方文档 用法 Date histogram的用法与histogram差不多,只不过区间上支持了日期的表达式. { "aggs":{ "articles_over_time":{ "date_histogram":{ "field"…
Aladdin and the Flying Carpet Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1341 Appoint description:  System Crawler  (2016-07-08) Description It's said that Aladdin had to solve seven myst…
A - Bi-shoe and Phi-shoe Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1370 Appoint description:  System Crawler  (2016-07-08) Description Bamboo Pole-vault is a massively popular sport in X…
 Extended Traffic Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1074 Appoint description:  System Crawler  (2016-05-03) Description Dhaka city is getting crowded and noisy day by day. Certai…
传送门 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 shows the histogram that consists of rec…
Conquering Keokradong Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1048 Description This winter we are going on a trip to Bandorban. The main target is to climb up to the top of Keokradong.…
http://acm.hdu.edu.cn/showproblem.php?pid=1083 二分图匹配用得很多 这道题只需要简化的二分匹配 #include<iostream> #include<cstdio> #include<cstring> #define maxm 410 using namespace std; int p,n; int master[maxm]; int linking[maxm][maxm]; int has[maxm]; int sol…
D - Harmonic Number Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1234 Description In mathematics, the nth harmonic number is the sum of the reciprocals of the first n natural numbers: In th…
E - Help Hanzo Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1197 Description Amakusa, the evil spiritual leader has captured the beautiful princess Nakururu. The reason behind this is he ha…
B - Pairs Forming LCM Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1236 Description Find the result of the following code: long long pairsFormLCM( int n ) {    long long res = 0;    for( in…
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 largest…
1083: [SCOI2005]繁忙的都市 Time Limit: 10 Sec  Memory Limit: 162 MBSubmit: 2431  Solved: 1596[Submit][Status][Discuss] Description 城市C是一个非常繁忙的大都市,城市中的道路十分的拥挤,于是市长决定对其中的道路进行改造.城市C的道路是这样分布的:城市中有n个交叉路口,有些交叉路口之间有道路相连,两个交叉路口之间最多有一条道路相连接.这些道路是双向的,且把所有的交叉路口直接或间接…