Cod sursa(job #1042329)

Utilizator DaniEsDani Stetcu DaniEs Data 26 noiembrie 2013 21:16:16
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int main()
{
    int n, i, j, k;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[i][j];
    for(k=1; k<=n; k++)
        for(i=1; i<=n; i++)
            for(j=1; j<=n; j++)
                if(i!=j && k!=j)
                    if(a[i][k] && a[k][j])
                        if(a[i][k]+a[k][j]<a[i][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++)
            fout<<a[i][j]<<" ";
        fout<<endl;
    }
    return 0;
}