Cod sursa(job #820711)

Utilizator penguin00Andrei Sorin penguin00 Data 21 noiembrie 2012 09:37:36
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.57 kb
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("roy.in");
ofstream g("roy.out");
int n,i,j,k,a[105][105];
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>a[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j && i!=k && j!=k)
                    if(a[i][k]+a[k][j]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
        {
        for(j=1;j<=n;j++)
            g<<a[i][j]<<" ";
        g<<'\n';
        }
    return 0;
}