HDU_1245_Saving James Bond_最短路

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HDU_1245_Saving James Bond_最短路

题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=1245 题意:给一个已知直径的圆形岛,然后岛的附近是湖,湖里有一些点,以坐标的形式给出,最外层是矩形的终点. 给定跳跃的距离d,让你判断是否能跳到最外层,如果能就输出最短距离以及这个最短跳的步数. 题解: 这题重点在建图,在松弛操作那里也要修改一下.详细看代码. #include<cstdio> #include<cstring> #include<cmath> #inclu…

hdu 1245 Saving James Bond 策画几何+最短路最短路求步数最少的路径

#include<stdio.h> #include<string.h> #include<math.h> #define inf 0x3fffffff #define N 200 #define eps 1e-10 #include<queue> using namespace std; struct node { int x,y; }ma[N]; struct nodee { int u,v,next; double w; }bian[N*N]; int…

【转】最短路&差分约束题集

转自:http://blog.csdn.net/shahdza/article/details/7779273 最短路 [HDU] 1548 A strange lift基础最短路(或bfs)★2544 最短路基础最短路★3790 最短路径问题基础最短路★2066 一个人的旅行基础最短路(多源多汇,可以建立超级源点和终点)★2112 HDU Today基础最短路★1874 畅通工程续基础最短路★1217 Arbitrage 货币交换 Floyd (或者 Bellman-Ford 判环)★124…

PTA 07-图5 Saving James Bond - Hard Version (30分)

07-图5 Saving James Bond - Hard Version (30分) This time let us consider the situation in the movie "Live and Let Die" in which James Bond, the world's most famous spy, was captured by a group of drug dealers. He was sent to a small piece of lan…

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题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=1245 Saving James Bond Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2608 Accepted Submission(s): 505 Problem Description This time let us con…

hdu 4568 Hunter 最短路+dp

Hunter Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2014 Accepted Submission(s): 615 Problem Description One day, a hunter named James went to a mysterious area to find the treasures. Jame…

HDU 4568 Hunter 最短路+TSP

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=4568 Hunter Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) 问题描述 One day, a hunter named James went to a mysterious area to find the treasures. James wanted to research t…