Can somebody help me to find why this code gives WA: PON It's just a classical problem with a classical solution that should work fine...
Edit: Problem solved
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 20.10.2026 10:31:46 (h1).
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It is better to use streams (cin) for reading, scanf implementations are not consistent across different OS, compilers, OJ ... is a mess.
I have tried that, but it didn't work as well, so, can anybody spot another possible mistake?
I have sent your code using cin (without using scanf) and got AC
sorry, and yeah, I got AC too, I don't know what happened last time, but I was sure I sent it that way...
For scanf() and printf() you have to add cstdlib library. Try to send your code with cstdlib library.