题目链接 https://www.luogu.org/problemnew/show/P1339 最短路 解题思路 dijkstra直接过 注意: 双向边 memset ma数组要在读入之前 AC代码 #include<iostream> #include<cstring> using namespace std; int n,m,ts,te; ]; ]; ][]; int main(){ cin>>n>>m>>ts>>te; mem

普通的最短路...dijkstra水过.. ------------------------------------------------------------------------------ #include<cstdio> #include<algorithm> #include<cstring> #include<iostream> #include<queue>   #define rep( i , n ) for( int i

3408: [Usaco2009 Oct]Heat Wave 热浪 Time Limit: 3 Sec  Memory Limit: 128 MBSubmit: 67  Solved: 55[Submit][Status][Discuss] Description Input  第1行:4个由空格隔开的整数T,C,Ts,Te.  第2到第C+1行:第i+l行描述第i条道路．有3个由空格隔开的整数Rs,Re,Ci. Output     一个单独的整数表示Ts到Te的最小费用．数据保证至少存在一条

链接:https://ac.nowcoder.com/acm/contest/1082/F来源:牛客网 题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leadin

水题,裸的最短路. ; type link=^node; node=record t,d:longint; f:link; end; var n,m,s,i,j,u,v,w,max:longint; adj:array[..] of link; f:array[..] of longint; d,val:array[..] of longint; went:array[..] of boolean; procedure insert(f,t,d:longint); var p:link; beg

最短路模板.选迪杰. #include<stdio.h> #include<string.h> #include<stdlib.h> #include<algorithm> #include<queue> //#include<iostream> using namespace std; int n,m,s,t; #define maxn 2511 #define maxm 12411 const int inf=0x3f3f3f3f

P1339 [USACO09OCT]热浪Heat Wave 题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to delive

Luogu P1339 热浪Heat Wave 裸·单源最短路. 但是! 有以下坑点: 算过复杂度发现Floyd跑不过去就不要用了. 如果建边是双向边,边的数组大小要开两倍! 考场上如果再把初始化的$dis[i]=INF$写成$dis[n]=INF$,或者忘记$dis[s]=0$之类的话,就直接火葬场了-- #include<bits/stdc++.h> #define N 2510 #define M 6210 #define INF 0x3f3f3f3f using namespace s

我太lj了,所以趁着夜色刷了道最短路的水题....然后,,我炸了. 题目描述: The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to d

未经同意,不得转载. The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nut

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

https://www.luogu.org/problem/show?pid=1339 题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the ch

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy delicious dairy products. Farmer John is leading the charge to deliver plenty of ice cold nutritiou

题目链接 这道题纯属是一个裸的SPFA: 建议先把模板AC之后再做. 只需要做一些手脚,就是在加边的时候加一个双向边就好. 然后再第一次加点的时候 看不懂模板的出门左转度娘. 推荐下面一片讲解: 友链 所以说,直接上代码. #include<iostream> #include<algorithm> #include<cstdio> #include<cstdlib> #include<queue> using namespace std; st

题目链接:https://www.luogu.org/problemnew/show/P1339 解题思路: 一道简单的最短路水题,dijkstra解法模板思路:https://www.cnblogs.com/lipeiyi520/p/10340361.html AC代码: #include<bits/stdc++.h> using namespace std; const int ff=0x3f3f3f; ][],a,b,c; ]; ]; void dij(int s){ memset(vi

思路:裸SPFA过一遍(建议使用邻接链表存储),无向图,无向图,无向图,重要的事情要说三遍!!!蜜汁RE是什么鬼????第九个点数组开到20K,第十个点数组开到30K才AC.或许我代码写的有bug?(逃 CODE: #include<iostream> #include<queue> using namespace std; queue<int>q; struct Edge{ int pre,to,w; }edge[]; ]; ]; ]; int T, C, Ts, T