Telephone Lines USACO 月赛

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Telephone Lines USACO 月赛

以前做过这套题目这个题又重新写了:http://www.cnblogs.com/jh818012/archive/2013/05/05/3182681.html 还是以前的思路一直错在一个地方:决策的时候,如果没有走过,直接更新,如果走过,总是选最小值.如果走的是小于mid值的边,那么用tmp = max(dp[x][u] , e[i].val) 更新. 代码比以前好多了好像. #define maxn 1005 int dp[maxn][maxn]; int n,m,k; struct n…

USACO Telephone Lines

洛谷 P1948 [USACO08JAN]电话线Telephone Lines https://www.luogu.org/problem/P1948 JDOJ 2556: USACO 2008 Jan Silver 3.Telephone Lines https://neooj.com/oldoj/problem.php?id=2556 题目描述 Farmer John wants to set up a telephone line at his farm. Unfortunately, t…

poj 3662 Telephone Lines

Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7115 Accepted: 2603 Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative, so he needs to pay for some of…

POJ 3662 Telephone Lines【Dijkstra最短路+二分求解】

Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7214 Accepted: 2638 Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative, so he needs to pay for some of…

(poj 3662) Telephone Lines 最短路+二分

题目链接:http://poj.org/problem?id=3662 Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8248 Accepted: 2977 Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncoopera…

poj3662 Telephone Lines【最短路】【二分】

http://poj.org/problem?id=3662 Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions:9310 Accepted: 3374 Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative,…

[POJ] 3362 Telephone Lines

Telephone Lines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7978 Accepted: 2885 Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative, so he needs to pay for some of the…