#include <fstream>

using namespace std;

int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");

    int i,j,k,n;
    int a[105][105];

    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 && a[i][k] && a[k][i])
                    if(!a[i][j] || a[i][j] > a[i][k] + a[k][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';
    }


    f.close();
    g.close();

    return 0;
}