#include <iostream> #include <cstring> #include <algorithm> #include <cmath> #include <cstdio> using namespace std; struct point { double x,y; }; point be[],en[]; ]; ]; double max(double a,double b){ return a>b?a:b; } doub…

// 线段相交 POJ 2653 // 思路:数据比较水,据说n^2也可以过 // 我是每次枚举线段,和最上面的线段比较 // O(n*m) // #include <bits/stdc++.h> #include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <vector> #include <math.h>…

Pick-up sticks Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 11884   Accepted: 4499 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to fin…

Pick-up sticks Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 8862   Accepted: 3262 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find…

Pick-up sticks Time Limit: 3000MS Memory Limit: 65536K Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, that is these sticks such…

http://poj.org/problem?id=2653 Pick-up sticks Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 9531   Accepted: 3517 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishi…

题目链接:http://poj.org/problem?id=2653 Time Limit: 3000MS Memory Limit: 65536K Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, that…

代码1: #include<iostream> #include<stdio.h> #include<string> #include<string.h> #include<algorithm> #include<map> #include<list> #include<set> #include<vector> #include<queue> #include<iomanip&g…

计算几何,判断线段相交 注意题目中的一句话:You may assume that there are no more than 1000 top sticks. 我认为是没有描述清楚的,如果不是每次扔完都保证不超过1000,此题很难做吧. 如果每次扔完保证小于1000根在顶部,那么暴力即可. 开一个vector保存每次扔完在顶部的棒子,下一次扔的时候,只要在删除vector中与扔的相交的棒子,然后再把这个棒子压入进来,最后留下的就是答案 #include<cstdio> #include&l…

职务地址:POJ 2954 意甲冠军:三个顶点的三角形,给出,内部需求格点数. 思考:就像POJ 1265. #include <stdio.h> #include <math.h> #include <string.h> #include <stdlib.h> #include <iostream> #include <sstream> #include <algorithm> #include <set>…