#include <cstdio>

int n, a[110][110];

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