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POJ 2318 TOYS【叉积+二分】
今天开始学习计算几何,百度了两篇文章,与君共勉! 计算几何入门题推荐 计算几何基础知识 题意:有一个盒子,被n块木板分成n+1个区域,每个木板从左到右出现,并且不交叉。 有m个玩具(可以看成点)放在这个盒子里,问每个区域分别有多少个玩具。 思路:首先,用叉积判断玩具是否在木板的左边,再用二分找到符合 ...
分类:其他好文   时间:2016-08-01 17:33:59    阅读次数:141
2318--TOYS
Description Calculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts his ...
分类:其他好文   时间:2016-07-29 18:49:33    阅读次数:203
TOYS-POJ2318
本题主要是确定给定的点在那块区域。原题给出n条直线,将长方形分为n+1快区域。我们可以对每个给定的点来判断它在那块区域,判段方法可以根据点与直线的位置关系,具体如下,对于点(x0,y0)和直线ax+by+c=0(a>0): 1)若a*x0+b*y0+c=0,则点在直线上。 2)若a*x0+b*y0+ ...
分类:其他好文   时间:2016-07-19 23:50:27    阅读次数:323
POJ-2318 TOYS
TOYS Description Calculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts ...
分类:其他好文   时间:2016-06-08 12:33:22    阅读次数:248
POJ-2398 Toy Storage
Toy Storage Description Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza ...
分类:其他好文   时间:2016-06-08 12:26:23    阅读次数:169
2016NEFU集训第n+3场 G - Tanya and Toys
Description In Berland recently a new collection of toys went on sale. This collection consists of 109 types of toys, numbered with integers from 1to  ...
分类:其他好文   时间:2016-06-06 20:26:11    阅读次数:172
poj 2318 TOYS (计算几何)
B - TOYS Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status B - TOYS Submit Status Description Calculate the number of ...
分类:其他好文   时间:2016-05-14 06:37:24    阅读次数:180
poj 2318 叉积的应用+二分
Description Calculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts his toys away when he is finished playing with t...
分类:其他好文   时间:2016-05-13 03:07:08    阅读次数:166
POJ 2318 TOYS 叉积的应用
A - TOYS Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 2318 Appoint description:  lijunle  (2011-07-18)System Crawler  (2016-05-08) ...
分类:其他好文   时间:2016-05-12 15:03:27    阅读次数:230
poj 2318 TOYS(计算几何)
TOYS Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 13159   Accepted: 6357 Description Calculate the number of toys that land in each bin of a partitioned t...
分类:其他好文   时间:2016-05-07 10:57:26    阅读次数:194
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