#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[102][102],n;
int main()
{
    int i,j,k;
    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(a[i][k] and a[k][j] and (a[i][j]>a[i][k]+a[k][j] or !a[i][j]) and 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';
    }
    f.close();
    g.close();
    return 0;
}