Media Summary: AtCoder Beginner Contest 307C：Ideal Sheet AtCoder Beginner Contest 307A：Weekly Records 動画を見てくださりありがとうございます！
AtCoder Beginner Contest 307C：Ideal Sheet AtCoder Beginner Contest 307A：Weekly Records 動画を見てくださりありがとうございます！
A . Weekly Records ||
C took most of my time https://
AtCoder Beginner Contest
B - racecar ||
My code: https://
D- Mismatched Parentheses ||
AtCoder
AtCoder Beginner Contest 307C：Ideal Sheet #explain
AtCoder Beginner Contest
AtCoder Beginner Contest 307A：Weekly Records #explain
動画を見てくださりありがとうございます！
As always, we had fun solving the
AtCoder Beginner Contest 307B：Racecar #explain