链接:https://www.nowcoder.com/questionTerminal/4b20ed271e864f06ab77a984e71c090f来源:牛客网PAT 1018  Public Bike Management There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent…

1018. Public Bike Management (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

PAT甲级1018. Public Bike Management 题意: 杭州市有公共自行车服务,为世界各地的游客提供了极大的便利.人们可以在任何一个车站租一辆自行车,并将其送回城市的任何其他车站. 公共自行车管理中心(PBMC)不断监测所有车站的实时能力. 如果一个车站正好半满,那么一个车站据说处于完美的状态.如果车站充满或空,PBMC将收集或发送自行车,以调整该车站的状况.此外,所有的车站也将进行调整. 当报告问题站时, PBMC将始终选择到达该站的最短路径.如果有多于一条最短路径,则需要…

1018 Public Bike Management (30 分)   There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Pub…

题目 There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC)…

时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any othe…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

Public Bike Management There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Manag…

时间限制400 ms 内存限制65536 kB 代码长度限制16000 B There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Pu…

Public Bike Management (30) 题目描述 There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city.The Public B…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

题目 There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC)…

https://www.patest.cn/contests/pat-a-practise/1018 先用Dijkstra算出最短路,然后二分答案来验证,顺便求出剩余最小,然后再从终点dfs回去求出路径 #include<cstdio> #include<string> #include<cstring> #include<vector> #include<iostream> #include<queue> #include<a…

前言: 本题是我在浏览了柳神的代码后,记下的一次半转载式笔记,不经感叹柳神的强大orz,这里给出柳神的题解地址:https://blog.csdn.net/liuchuo/article/details/52316405 题意: 有一个租借自行车的系统由n个点组成,用户可以在这n个点任意一个点借车或者还车,每个点都遵循一个共同的上限c,这里我们称一个点的状态时完美的如果这个点的车的数量为c/2,(每个点由1~n标号),而我们的出发点为0点,整个系统每次会有一个sp点发出警报,说明这个sp点的自行…

先找出可能在最短路上的边,图变成了一个DAG,然后在新图上DFS求答案就可以了. #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<queue> #include<vector> using namespace std; const int INF=0x7FFFFFFF; ;…

题意: 输入四个正整数C,N,S,M(c<=100,n<=500),分别表示每个自行车站的最大容量,车站个数,此次行动的终点站以及接下来的M行输入即通路.接下来输入一行N个正整数表示每个自行车站初始拥有的自行车数量,接下来输入M行每行包含三个正整数分别表示一条双向边的端点以及这条路的长度.求去往终点车站一次所经历的最短路,多条最短路则优先少带出车辆,次优先少带回车辆.(路上经过站点时需要把该站点的车辆变为最大容量的一半) AAAAAccepted code: #include<bits/…

[思路] 题目生词 figure n. 数字 v. 认为,认定:计算:是……重要部分 The stations are represented by vertices and the roads correspond to the edges. 顶点表示车站,边表示道路. correspond to 相当于 capacity n. 能力:容量 题目大意:给出需要调整的车站编号,从0处出发,一路上顺便调整途径的车站,使得每个车站的车辆数是Cmax的一半,多的带走少的补齐.选最短路,最短相同选从0处…

思路就是dijkstra找出最短路,dfs比较每一个最短路. dijkstra可以找出每个点的前一个点, 所以dfs搜索比较的时候怎么处理携带和带走的数量就是关键,考虑到这个携带和带走和路径顺序有关,所以可以用下面的写法,看代码就可以了. 最开始的时候是想用一个偏动态规划的写法做,但是因为题目的显示,既要带去的车数量最少,又要求从一个点带走的车数量最少,所以如果过动规的话,对于一个点的多个最短路,就会选择带去数量最少,带走车数最少的路径,但是如果这个点后面的点的车辆数少一标准量的一半的话,前面带…

题目及题解 https://blog.csdn.net/CV_Jason/article/details/81385228 迪杰斯特拉重新认识 两个核心的存储结构: int dis[n]: //记录每个点到源头的最短距离 bool mark[n]; //标记每个顶点到 /*如果想要保存路径,创建一个 二维数组,或者vector[n], 里面的每个一维数组表示到达该节点的前一个节点,在(u为当前选出的新节点)当dis[v]==dis[u]+e[u][v],说明通过u到达v的路径也是最短路径,于是把…

这题不能直接在Dijkstra中写这个第一 标尺和第二标尺的要求 因为这是需要完整路径以后才能计算的  所以写完后可以在遍历 #include<bits/stdc++.h> using namespace std; int cmax,n,v,m; const int N=1e3; int weight[N]; int mp[N][N]; const int inf=0x3f3f3f3f; int dis[N]; int vis[N]; vector<int>path[N]; voi…

Source: PAT A1018 Public Bike Management (30 分) Description: There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stati…

1018. Public Bike Management There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city.The Public Bike Management Center (PBMC) keep…

Pat1018代码 题目描写叙述: There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management…

题目描述 There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city.The Public Bike Management Center (PBMC)…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it to any other stations in the city. The Public Bike Management Center (PBMC) kee…

Public Bike Management PAT-1018 使用一个vector来存储所有最短路的前驱结点,再通过使用dfs和一个额外的vector记录每一条路径 #include<iostream> #include<cstdio> #include<algorithm> #include<cstring> #include<string> #include<cmath> #include<queue> using…