#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n,a[110][110];

int main()
{
    int i,j,k;
    cin>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            cin>>a[i][j];
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
            if (i!=j)
            if (a[i][k] && a[k][j])
                if (a[i][k]+a[k][j]<a[i][j] || !a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<'\n';
    }
}