标签:otto for algorithm pad iostream out edit ace 一个
题意:
求某一个办公室 到其他所有办公室的 总距离最短 办公室数 不超过10
输入:多组输入,每组第一行为n (1 ≤ n ≤ 45),接下来n行是 (x, y, d),x到y的距离是d
输出:办公室号 和 最短距离
#include <iostream>
#include <stdio.h>
#include <algorithm>
#include <cstring>
#include <string>
using namespace std;
const int INF = 0x3f3f3f3f;
int n, dp[15][15];
int main()
{
while (cin >> n && n)
{
int V = 0;
memset(dp, INF, sizeof dp);
for (int i = 1; i <= n; ++i)
{
int x, y, v; cin >> x >> y >> v;
dp[x][y] = dp[y][x] = v;
V = max(V, max(x, y));
}
for (int k = 0; k <= V; ++k)
for (int i = 0; i <= V; ++i)
for (int j = 0; j <= V; ++j)
dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
int ans = INF, loc;
for (int i = 0; i <= V; ++i)
{
int t = 0;
for (int j = 0; j <= V; ++j)
{
if (i == j) continue;
t += dp[i][j];
}
if (t < ans) ans = t, loc = i;
}
cout << loc << ‘ ‘ << ans << endl;
}
return 0;
}
AOJ 0189 Convenient Location (Floyd)
标签:otto for algorithm pad iostream out edit ace 一个
原文地址:http://www.cnblogs.com/demian/p/7384704.html