#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[105][105];
const int inf=(1<<24);
int main()
{   f>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
        {
            f>>a[i][j];
            if (a[i][j]==0 and i!=j)    a[i][j]=inf;
        }
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (a[i][k]+a[k][j]<a[i][j])    a[i][j]=a[i][k]+a[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (a[i][j]==inf)   g<<"0"<<' ';
                else g<<a[i][j]<<' ';
        g<<'\n';
    }
    g.close();
    return 0;
}