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