#include <fstream>

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n,a[1001][1001];
int main()
{
    cin>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            cin>>a[i][j];

    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if (a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];

    for (int i=1; i<=n; i++, cout<<'\n')
        for (int j=1; j<=n; j++)
            cout<<a[i][j]<<" ";

}