I'm training on Lightoj. And I have trouble in post: https://lightoj.com/problem/politeness. Can anyone give me an idea to solve this problem?
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Codeforces Round 940 (Div. 2) and CodeCraft-23
38:28:11
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Codeforces Round 940 (Div. 2) and CodeCraft-23
38:28:11
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wonderful_trip | 2021-07-12 04:57:34 | 177 | Initial revision (published) |
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