__water

RescueTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23586    Accepted Submission(s): 8336Problem DescriptionAngel was caught b

诡异的楼梯Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 11689    Accepted Submission(s): 2895Problem DescriptionHogwarts正式开学以后,Har

Find a wayTime Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8468    Accepted Submission(s): 2729Problem DescriptionPass a year lea

Dungeon MasterTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 23841 Accepted: 9270DescriptionYou are trapped in a 3D dungeon and need to find the quicke

题意：给你n个加油站的坐标，和起点终点坐标， 然后你开车用起点到终点， 你的车最多只能开L米，每经过一个加油站必定要加油，问你要加油几次。 先建图，跑个bfs即可，注意由于每经过一个加油站都要加油，所以路线不能重叠，所以要判一下斜率相等。#include<bits/stdc++.h>using namespace std;typedef long long ll;ll ex,ey,sx,s