#include <stdio.h>   
  
int n, a[105][105];   
  
void read()   
{   
    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 calculeaza()   
{   
    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 write()   
{   
    int i, j;   
    for (i = 1; i <= n; i++)    
    {   
        for (j = 1; j <= n; j++) printf("%d ",a[i][j]);   
        printf("\n");   
    }   
}   
  
  
int main()   
{   
    read();   
    calculeaza();   
    write();   
    return 0;   
}