#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, c[105][105];
int main ()
{
    f>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            f>>c[i][j];

    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if (c[i][k] && c[k][j] && (c[i][j] > c[i][k] + c[k][j] || !c[i][j]) && i != j) c[i][j] = c[i][k] + c[k][j];
                //if( c[i][k] + c[k][j] < c[i][j])
                  //  c[i][j] = c[i][k] + c[k][j];

    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            g<<c[i][j]<<" ";
        g<<endl;
    }
}