在算法的领域，效率不仅仅是速度的衡量，更是对问题本质的深刻陈述。
In the realm of algorithms, efficiency is not merely a measure of speed, but a profound statement about the nature of the problem itself.
The best songs are the ones that come from the soul.
Sometimes it seems as if there are more solutions than problems. On closer scrutiny, it turns out that many of today's problems are a result of yesterday's solutions.
