#include <fstream>
using namespace std;

short a[103][103], i, j, k, n;

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

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 && k!=j && (!a[i][j] || a[i][k]+a[k][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';
    }
    return 0;
}