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I have the same question.

Why change the name to AtCoder Regular Contest++?

On KANCodeforces Blitz Cup 2026, 7 months ago
0

CodeForces don't open the O2 optimize for C/C++ language?

I hope my rank will within 400.

I hope this will come soon.

Well,5 problems will be easier than befor.

Today, this test requires quick answering speed for the first 6 questions.

Problem D has another solution by Divide and conquer:https://codeforces.me/contest/2155/submission/343548658