B - Line Sensor 解説 by llichenyu
This is a very simple problem. We find that the question is actually about the number of occurrences of the character \(\verb!#!\) in each column, so we can simulate it.
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This is a very simple problem. We find that the question is actually about the number of occurrences of the character \(\verb!#!\) in each column, so we can simulate it.
投稿日時:
最終更新: