Go ahead and try it out. I've only solved 87 problems, but I enjoyed it very much. My experience was that many problems were very deceptive. At first you think,

Go ahead and try it out. I've only solved 87 problems, but I enjoyed it very much. My experience was that many problems were very deceptive. At first you think, it is really easy, and after awhile it becomes evident that the problem is much harder than initially thought. I appreciated that every problem seems to teach you something new, even if the problem seems very similar to a previous one, there is usually a twist.