#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;  
}