Today, one of our most prominent problemsetters has birthday. Happy birthday! I am especially thankful for her problemsetting in SRM 462
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Happy birthday!:D
Why don't you congratulate her in messages ? , You just made this blog to increase your contribution , and I don't care if I get down voted !
Thank you! It's really nice to know that people still remember contests written 4 years ago :-)
Er,only 43 contestants passed D1 250,but 152 contestants passed D1 450,are you sure these two problems are in correct order?
Yes. Why not? :-)
D1 250 was actually easy, but with a couple of corner cases that a lot of people missed. I believe that contest versatility is a good thing, and once in a while we should have an easy problem with plenty of challenge opportunity. After all, my all-time favorite problem is MooresLaw, which had only one corner case but gave me 6 successful challenges and my first room win :-)