#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; 
}