HOJ 2678 Stars】的更多相关文章

题意:N个星星(x,y,z),星星的等级等于x,y,z都小于等于它的星星数量,问每个等级有多少星星. 思路:最暴力的方法是三维树状数组.但是会超内存.所以我们对其中一维先排好序,然后用二维的做. 代码: #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; ,M=; int c[M][M],ans[N]; struct node { int x,y,z; }a[N];…
题目: poj 2352 Stars 数星星 题意:已知n个星星的坐标.每个星星都有一个等级,数值等于坐标系内纵坐标和横坐标皆不大于它的星星的个数.星星的坐标按照纵坐标从小到大的顺序给出,纵坐标相同时则按照横坐标从小到大输出. (0 <= x, y <= 32000) 要求输出等级0到n-1之间各等级的星星个数. 分析: 这道题不难想到n平方的算法,即从纵坐标最小的开始搜,每次找它前面横坐标的值比它小的点的个数,两个for循环搞定,但是会超时. 所以需要用一些数据结构去优化,主要是优化找 横坐…
题目链接:http://acm.hit.edu.cn/hoj/problem/view?id=2662 1.引言:用dp解决一个问题的时候很重要的一环就是状态的表示,一般来说,一个数组即可保存状态. 但是有这样的一类题目,它们具有dp问题的特性,但状态中所包含的信息过多,如果要用数组来保存状态的话需要四维以上的数组. 于是,就要通过状态压缩来保存状态,而使用状态压缩来保存状态的dp就叫做状态压缩dp. 2.状态压缩dp的特点:状态中的某一维会比较小,一般不会超过15,多了的话状态数会急剧上升而无…
传送门  http://acm.hit.edu.cn/hoj/problem/view?id=1797 总体的思路是遍历可以到达的' . ',将其对应的vis数组化为1,然后统计所有为1的vis项; ①常用的加边法,防止越界 ②初始化,不然两次相同的输入得到的结果会不同,由于是二维数组,能力有限,只好在结尾初始化,为下次输入做准备 ③结束条件,递归函数一定要先写好结束条件,不然会炸 ④上下左右四向移动 ⑤直接递归函数调用自身 #include <stdio.h> #include <st…
两道水题,用来熟悉 HOJ 的提交系统. 1001:输入两个整数 A, B (0 <= A,B <= 10),输出 A+B. #include <iostream> using namespace std; int main() { int a, b; while (cin >> a >> b) { cout << (a + b) << endl; } return 0; } 成绩:时间 0.00s:内存 1260K:代码长度 241…
Stars Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 30496   Accepted: 13316 Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a st…
Stars in Your Window Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 11706   Accepted: 3183 Description Fleeting time does not blur my memory of you. Can it really be 4 years since I first saw you? I still remember, vividly, on the beaut…
Applet程序. import javax.swing.*; import java.awt.*; import java.awt.geom.GeneralPath; @SuppressWarnings("serial") public class StarApplet extends JApplet { // Initialize the applet @Override public void init() { StarPane pane = new StarPane(); //…
题目描述 "But baby, I've been, I've been praying hard,     Said, no more counting dollars     We'll be counting stars" Grandpa Shaw loves counting stars. One evening he was sitting in his armchar, trying to figure out this problem. Consider the sky…
Stars Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 39186 Accepted: 17027 Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star b…
Stars Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4052    Accepted Submission(s): 1592 Problem Description Astronomers often examine star maps where stars are represented by points on a plan…
Stars in Your Window   Description Fleeting time does not blur my memory of you. Can it really be 4 years since I first saw you? I still remember, vividly, on the beautiful Zhuhai Campus, 4 years ago, from the moment I saw you smile, as you were walk…
Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 186    Accepted Submission(s): 124 Problem Description The sky was brushed clean by the wind and the stars were cold in a bl…
Stars Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 37323 Accepted: 16278 Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star b…
YJC counts stars Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5277 Description YJC是个老火车小司机.一个晚上,他仰望天空,星辰璀璨,他突然觉得,天空就像一个平面,而每一个星辰,就是平面中的一个点.他把这些点编号为1到n.这些点满足任意三点不共线.他把一些点用线段连起来了,但是任意两条线段不会在端点以外相交.如果一个点的集合中任意两个…
STARS的一般使用可以通过REGAL网页快速学习http://regionalanalysislab.org/?n=STARS再次不做详细介绍这里关注的主题是对STARS源代码分析即为使用Python直接从底层开发GIS的过程 STARS 0.8.2版本的下载链接中提供了两种类型:安装包和源代码包安装包可以直接安装运行,而源代码包可以通过Python编辑器编译后运行上述两种操作获得的效果是一样的 下载地址:1.安装包 http://prdownloads.sourceforge.net/sta…
STARS的全称是Space-Time Analysis of Regional Systems,直译过来就是区域系统时空分析软件.这是针对区域多时相数据的分析包,源代码公开.该软件将最近几年发展起来的时空分析技术引入到友好的用户界面中,设计目标是要成为一款探索性数据分析软件. 不得不说的是,探索性空间数据分析(ESDA)在国内才刚刚起步,而STARS面向的则是更为复杂的探索性时空数据分析(ESTDA).因而,多了解这样一个软件无异可以为国内GIS研究开辟一个新方向. 此软件为圣迭戈州立大学地理…
Stars Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 41521   Accepted: 18100 Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a st…
Dancing Stars on Me Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5533 Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, somet…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5533 Dancing Stars on Me Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 601    Accepted Submission(s): 320 Problem Description The sky was brush…
Stars Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6581    Accepted Submission(s): 2625 Problem Description Astronomers often examine star maps where stars are represented by points on a plan…
Description Fleeting time does not blur my memory of you. Can it really be 4 years since I first saw you? I still remember, vividly, on the beautiful Zhuhai Campus, 4 years ago, from the moment I saw you smile, as you were walking out of the classroo…
Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars that are not higher and not to the right of the given star. As…
Problem Description Yifenfei is a romantic guy and he likes to count the stars in the sky. To make the problem easier,we considerate the sky is a two-dimension plane.Sometimes the star will be bright and sometimes the star will be dim.At first,there…
Stars Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars that are not higher and not to the right of the given st…
wp 文章星级评价 插件 下载地址4:http://pan.baidu.com/s/1eQnGIGU [articles_star_vote_score_optiontable_serialize_commentvote.zip]*推荐 最新 1.自定义表与 wp_options 表 2.修改插入数据库配置项,为serialize序列化的value值,在wp的options表中存储 3.增加暂停插件选项,增加comment评论时的打分,可以自定义开始 文章打分,评论时打分,或是暂停使用打分 --…
Stars Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6993    Accepted Submission(s): 2754 Problem Description Astronomers often examine star maps where stars are represented by points on a plan…
Problem Description The sky was brushed clean by the wind and the stars were cold in a black sky. What a wonderful night. You observed that, sometimes the stars can form a regular polygon in the sky if we connect them properly. You want to record the…
各种杂题,水题,模拟,包括简单数论. 1001 A+B 1002 A+B+C 1009 Fat Cat 1010 The Angle 1011 Unix ls 1012 Decoding Task 1019 Grandpa's Other Estate 1034 Simple Arithmetics 1036 Complete the sequence! 1043 Maya Calendar 1054 Game Prediction 1057 Mileage Bank 1067 Rails 10…
题目 Stars Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 34016   Accepted: 14839 Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a…