Travel The country frog lives in has n towns which are conveniently numbered by 1,2,…,n . Among n(n−1)2 pairs of towns, m of them are connected by bidirectional highway, which needs a minutes to travel. The other pairs are connected by railway, which…
Travel The country frog lives in has nn towns which are conveniently numbered by 1,2,…,n1,2,…,n. Among n(n−1)2n(n−1)2 pairs of towns, mm of them are connected by bidirectional highway, which needs aa minutes to travel. The other pairs are connected b…
题目描述 Gremlins have infested the farm. These nasty, ugly fairy-like creatures thwart the cows as each one walks from the barn (conveniently located at pasture_1) to the other fields, with cow_i traveling to from pasture_1 to pasture_i. Each gremlin is…
Travel The country frog lives in has \(n\) towns which are conveniently numbered by \(1, 2, \dots, n\). Among \(\frac{n(n - 1)}{2}\) pairs of towns, \(m\) of them are connected by bidirectional highway, which needs \(a\) minutes to travel. The other…
PAT 1030 最短路最小边权 堆优化dijkstra+DFS 1030 Travel Plan (30 分) A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a program to help a traveler to decide the shortest…
Travel Time Limit: 10000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3059 Accepted Submission(s): 1051 Problem Description One day, Tom traveled to a country named BGM. BGM is a small country, but there a…
[题意] 有n个绿洲, m条道路,每条路上有一个温度,和一个路程长度,从绿洲s到绿洲t,求一条道路的最高温度尽量小, 如果有多条, 选一条总路程最短的. InputInput consists of several test cases. Your program must process all of them.The first line contains two integers N and E (1 ≤ N ≤ 100; 1 ≤ E ≤ 10000) where N represents…
题意: 给出一个图的所有边,每次从图中删除一条边,求任意点对的路径总和(求完了就将边给补回去).(有重边) 思路: #include <bits/stdc++.h> using namespace std; , INF=0x7f7f7f7f; int mapp[N][N]; bool vis[N]; //是否存在队列中 int dest[N]; vector<pair<int,int> > vect; int n, m; int num[N]; void spfa(in…
Travel The country frog lives in has nn towns which are conveniently numbered by 1,2,…,n. Among n(n−1) / 2 pairs of towns, m of them are connected by bidirectional highway, which needs aa minutes to travel. The other pairs are connected by railway, w…
Travel Time Limit: 10000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2789 Accepted Submission(s): 939 Problem Description One day, Tom traveled to a country named BGM. BGM is a small country, but th…
题目描述 Farmer John has recently purchased a new car online, but in his haste he accidentally clicked the "Submit" button twice when selecting extra features for the car, and as a result the car ended up equipped with two GPS navigation systems! Ev…
Full Tank? Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7248 Accepted: 2338 Description After going through the receipts from your car trip through Europe this summer, you realised that the gas prices varied between the cities you v…
Description Berland has n cities, the capital is located in city s, and the historic home town of the President is in city t (s ≠ t). The cities are connected by one-way roads, the travel time for each of the road is a positive integer. Once a year t…
C - Fire Station Description A city is served by a number of fire stations. Some residents have complained that the distance from their houses to the nearest station is too far, so a new station is to be built. You are to choose the location of the f…
题目链接: Meeting Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 2024 Accepted Submission(s): 628 Problem Description Bessie and her friend Elsie decide to have a meeting. However, after Farm…
Meeting Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 1358 Accepted Submission(s): 435 Problem Description Bessie and her friend Elsie decide to have a meeting. However, after Farmer Jo…
这道题目甚长, 代码也是甚长, 但是思路却不是太难.然而有好多代码实现的细节, 确是十分的巧妙. 对代码阅读能力, 代码理解能力, 代码实现能力, 代码实现技巧, DFS方法都大有裨益, 敬请有兴趣者耐心细读.(也许由于博主太弱, 才有此等感觉). 题目: UVa 1103 In order to understand early civilizations, archaeologists often study texts written in ancient languages. One…
Delay Constrained Maximum Capacity Path Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=1839 Description Consider an undirected graph with N vertices, numbered from 1 to N, and M edges. The vertex numbered with…