#include<fstream.h>
int a[105][105],n;
int main()
{int i,j,k;
 ifstream f("royfloyd.in");
 ofstream g("royfloyd.out");
 f>>n;
for(i=1;i<=n;i++)
 for(j=1;j<=n;j++)
 a[i][j]=0;

 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] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && 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;
}