Jotting On AtCoder Beginner Contest 392
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Today I took part in AtCoder Beginner Contest 392, and solved 4 problems. It took me about 40 min to finish the first 4 problem. And then without giving a glimpse to the 5th, I started to work on the 6th problem. It was Segment Tree
I cannot count how many times that I failed to work out Segment Tree, So I decided to learn and write a repository for it ->. Just wait to see the result.