#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,a[101][101];
int main()
{
    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] != 0 && a[k][j] != 0 && i != j
                        && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0)) 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";
    }
    return 0;
}