# include <cstdio>
# define nmax 101
using namespace std;
int a[nmax][nmax],n;
inline void roy_floyd()
{
    int k,i,j;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(i!=j && a[i][k]!=0 && a[k][j]!=0)
                    if(a[i][j]==0 || a[i][j]>a[i][k]+a[k][j])
                        a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    int i,j;
    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",&a[i][j]);
    roy_floyd();
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            if(j!=n)printf("%d ",a[i][j]);
            else printf("%d\n",a[i][j]);
    }
    return 0;
}