#include <stdio.h>

int n, a[105][105];

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 main()

{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]);


roy_floyd();

for (i = 1; i <= n; i++)
   {
      for (j = 1; j <= n; j++)
        printf("%d ",a[i][j]);
     printf("\n");
   }


return 0;
}