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On pwned → Codeforces Round 987 (Div. 2), 23 months ago
0

Thank you very much! I'd never make the same mistake!!

On pwned → Codeforces Round 987 (Div. 2), 23 months ago
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https://codeforces.me/contest/2031/submission/291676661

Can anyone let me know why my solution for B is wrong? I cannot find any edge case for this.

Please let me know why my solution is wrong, thank you very much