#include <stdio.h>  
   
 int n, a[105][105];  
   
 void citire()  
 {  
     freopen("royfloyd.in","r",stdin);  
     freopen("royfloyd.out","w",stdout);  
   
     int i, j;  
     scanf("%d",&n);  
     for (i = 1; i <= n; i++)  
        for (j = 1; j <= n; j++) scanf("%d",&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];  
 }  
   
 void afis()  
{  
     int i, j;  
     for (i = 1; i <= n; i++)   
     {  
         for (j = 1; j <= n; j++) printf("%d ",a[i][j]);  
         printf("\n");  
     }  
 }  
   
   
 int main()  
 {  
     citire();  
     roy_floyd();  
     afis();  
     return 0;  
}