#include <iostream>
#include <fstream>
using namespace std;
int n,i,j,a[105][105],k;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int main()
{
    in>>n;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            in>>a[i][j];
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if (i!=j&&a[i][k]&&a[k][j]&&(a[i][j]==0||a[i][j]>a[i][k]+a[k][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<<endl;
   }
}