#include <cstdio>

#define file_in "royfloyd.in"
#define file_out "royfloyd.out"

#define Nmax 111

int n,a[Nmax][Nmax];


int main()
{
	int i,j,k;
	freopen(file_in,"r",stdin);
	freopen(file_out,"w",stdout);
	
	scanf("%d", &n);
	for (i=1;i<=n;++i)
		 for (j=1;j<=n;++j)
			  scanf("%d", &a[i][j]);
		 
	for (k=1;k<=n;++k)
         for (i=1;i<=n;++i)
              for (j=1;j<=n;++j)
                    if ((a[i][j]>a[i][k]+a[k][j]) && a[i][k] && a[k][j] && i!=j)
                          a[i][j]=a[i][k]+a[k][j];

	for (i=1;i<=n;++i)
    {
	     for (j=1;j<=n;++j)
			  printf("%d ",a[i][j]);
		 printf("\n");
	}
	
	fclose(stdin);
	fclose(stdout);
	
	return 0;
}