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

int main()
{
    int n,m;
    in>>n;
    int i,j;
    int a[n+1][n+1];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            in>>a[i][j];
        }
    }
    int k;
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                 if(a[i][j] > (a[i][k] + a[k][j]) || a[i][j] == 0)
                 {
                     if((a[i][k]!=0) && (a[k][j]!=0) && (i!=j))
                       a[i][j] = a[i][k] + a[k][j];
                 }
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            out<<a[i][j]<<" ";
        }
        out<<"\n";
    }


}