# include <cstdio>
# define NMAX 101
# define INF 2*1e9
using namespace std;
FILE *f=freopen("royfloyd.in","r",stdin);
FILE *g=freopen("royfloyd.out","w",stdout);
int n;
int v[NMAX][NMAX];
void read()
{
    scanf("%d",&n);
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            scanf("%d",&v[i][j]);
            if (i!=j && !v[i][j]) v[i][j]=INF;
        }
    }
}
void royfloyd()
{
    for (int k=1;k<=n;k++)
    {
        for (int i=1;i<=n;i++)
        {
            for (int j=1;j<=n;j++)
            {
                if (v[i][j]>v[i][k]+v[k][j])
                {
                    v[i][j]=v[i][k]+v[k][j];
                }
            }
        }
    }
}
void write()
{
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            printf("%d ",v[i][j]);
        }
        printf("\n");
    }
}
int main()
{
    read();
    royfloyd();
    write();
    return 0;
}