#include <cstdio>
# define inf 100001
using namespace std;
int n,i,j,k,d[101][101];

int main()
{
    freopen ("royfloyd.in","r",stdin);
    freopen ("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for (i=1;i<=n;i++) for (j=1;j<=n;j++) {scanf("%d",&d[i][j]); if (d[i][j]==0&&i!=j) d[i][j]=inf;}
    for (k=1;k<=n;k++)
    for (i=1;i<=n;i++)
    for (j=1;j<=n;j++) if (d[i][j]>d[i][k]+d[k][j]) d[i][j]=d[i][k]+d[k][j];
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            if (d[i][j]==inf) printf("%d ",0);
            else printf("%d ",d[i][j]);
        }
        printf ("\n");
    }
    return 0;
}