Problem solving is the hard area to keep doing. In this post, “Problem solving” means the thing in computer science. It is kind of writing algorithms that solving About 3 month ago, I could focus on this area because it’s new for me at that time.

In case of the easy problems, it rewarded me in short time. But hard problems, that’s the problem, it’s very hard to solve literally and frustrates me…

I made up my mind to continue solving problems again. I’ll post blog again after solving many problems.