#include<iostream>
#include<fstream>
using namespace std;

int main()
{int i,j,k,a[100][100],n;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
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 ((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";
}
system("pause");
return 0;

 
}