#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int d[104][104],n;
void read()
{
int i,j;
fin>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
fin>>d[i][j];
}
int main()
{
int i,j,k;
read();
for (k=1;k<=n;k++)
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            if (d[i][k] && d[k][j] && (d[i][j]>d[i][k]+d[k][j] || !d[i][j]) && i!=j) d[i][j]=d[i][k]+d[k][j];

for (i=1;i<=n;i++)
   {
   for (j=1;j<=n;j++)
   fout<<d[i][j]<<" ";
   fout<<'\n';
   }
}