1003 Emergency (25分)   As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

题意:n个点,m条双向边,每条边给出通过用时,每个点给出点上的人数,给出起点终点,求不同的最短路的数量以及最短路上最多能通过多少人.(N<=500) AAAAAccepted code: #include<bits/stdc++.h> using namespace std; int n,m; int s,t; ]; vector<pair<]; vector<]; vector<int>tmp_path; ; ]; ]; ; void SPFA(){ qu…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

1003. Emergency (25) 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 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

1003. Emergency (25) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between an…

1003. Emergency (25) 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 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

problem 1003 Emergency (25)(25 point(s)) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of…

1003. Emergency (25) 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 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

1007 Maximum Subsequence Sum (25分)   Given a sequence of K integers { N​1​​, N​2​​, ..., N​K​​ }. A continuous subsequence is defined to be { N​i​​, N​i+1​​, ..., N​j​​ } where 1≤i≤j≤K. The Maximum Subsequence is the continuous subsequence which has…

题目 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities a…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

给出n个城市,m条边,起始点c1和目的点c2接下来给出n个城市的队伍数以及m条双向边问你求c1到c2的所有最短路径数目,以及其中经过的最多队伍数 先最短路dijkstra,同时建立vector数组pre存储前驱节点然后dfs求出路径,以及每条路径经过的队伍数,更新最大值即可 #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <s…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

最短路+dfs 先找出可能在最短路上的边,这些边会构成一个DAG,然后在这个DAG上dfs一次就可以得到两个答案了. 也可以对DAG进行拓扑排序,然后DP求解. #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<queue> #include<vector> using nam…

1003 Emergency (25)(25 分) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road betwe…

1003. Emergency (25) 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 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

1003. Emergency (25) 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 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

1003 Emergency (25 分) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between a…

7-8 哈利·波特的考试(25 分) 哈利·波特要考试了,他需要你的帮助.这门课学的是用魔咒将一种动物变成另一种动物的本事.例如将猫变成老鼠的魔咒是haha,将老鼠变成鱼的魔咒是hehe等等.反方向变化的魔咒就是简单地将原来的魔咒倒过来念,例如ahah可以将老鼠变成猫.另外,如果想把猫变成鱼,可以通过念一个直接魔咒lalala,也可以将猫变老鼠.老鼠变鱼的魔咒连起来念:hahahehe. 现在哈利·波特的手里有一本教材,里面列出了所有的变形魔咒和能变的动物.老师允许他自己带一只动物去考场,要考察…

/**  * 功能:给定数量不限的硬币.币值为25分,10分.5分.1分,计算n分有几种表示法. */ public static int makeChange(int n){ return makeChange(n,25); } /** * 递归的终止条件:全然简化为1分. * @param n * @param denom * @return */ public static int makeChange(int n,int denom){ int next_denom=0; switch(…

1020 Tree Traversals (25分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tre…

1086 Tree Traversals Again (25分)   An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations ar…

1021 Deepest Root (25 分)   A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the root that results in a highest tree. Such a root is called the deepest r…

---恢复内容开始--- 1010 一元多项式求导 (25 分) 设计函数求一元多项式的导数.(注:x​n​​(n为整数)的一阶导数为nx​n−1​​.) 输入格式: 以指数递降方式输入多项式非零项系数和指数(绝对值均为不超过 1000 的整数).数字间以空格分隔. 输出格式: 以与输入相同的格式输出导数多项式非零项的系数和指数.数字间以空格分隔,但结尾不能有多余空格.注意“零多项式”的指数和系数都是 0,但是表示为 0 0. 输入样例: 3 4 -5 2 6 1 -2 0 输出样例: 12 3…

1020 Tree Traversals (25 分)   Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to output the level order traversal sequence of the corresponding binary tr…

PAT甲级1003. Emergency 题意: 作为一个城市的紧急救援队长,你将得到一个你所在国家的特别地图.该地图显示了几条分散的城市,连接着一些道路.每个城市的救援队数量和任何一对城市之间的每条路线的长度在地图上标记.当你从其他城市发出紧急电话时, 你的工作是尽快引导你的人到这个地方,同时在途中尽可能多的呼唤城市中的别的救援队. 输入 每个输入文件包含一个测试用例.对于每个测试用例,第一行包含4个正整数:N(<= 500) - 城市数量(城市编号从0到N-1),M - 道路数量C1和C2…