#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
#define nmax 110
int a[nmax][nmax];
int n;
int main()
{
    int i,j,k;
    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(i!=j and a[i][k] and a[k][j] and (a[i][k]+a[k][j]<a[i][j] or !a[i][j]))
                    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;
}