i am a knowledgable CP participant with the ability of writing a SATT in 5 mins.
in the past 15 years, CF problems with the same "difficulty" are getting harder and harder, which makes it more difficult to get higher rating.
IT'S TIME TO BRING BASIC ALGORITHMS BACK TO BASIC CONTESTS!!!!!
so DAC NTT should appear in probelms like div 4. A.
upvote me if you agree with me.
I'm sorry that i have give you an upvote. Actually, your blog is abstract.
It's not abstract. It's 抽象 (in the meaning that the word has got recently).
good idea,I'm to weak to solve div4A