Cod sursa(job #896863)
Utilizator | Dancu Laurentiu aka laue | Data | 27 februarie 2013 17:40:48 |
---|---|---|---|
Problema | Floyd-Warshall/Roy-Floyd | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include<iostream>
#include<fstream>
using namespace std;
int n,a[105][105];
int main()
{
ifstream f("royfloyd.in");
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
f>>a[i][j];
f.close();
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
a[i][j]=a[i][k]+a[k][j];
ofstream g("royfloyd.out");
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
g<<a[i][j]<<' ';
g<<'\n';
}
}