Submission 306505383
I don't think I wrote abnormal code, so why I got ILE? ILE usually appears in interactive problems, so this is pretty strange.
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Codeforces (c) Copyright 2010-2025 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 21.02.2025 17:28:03 (k2).
Десктопная версия, переключиться на мобильную.
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Skill issue bro
So what's the problem? Can you point this out? I couldn't find that anyway :(
Probably because of your custom function for reading input.
Not this problem. The real problem is the constant $$$T$$$.
In FFT the result's size should be larger or equal to twice of the degree of the polynomial, which is $$$2t$$$. And it should be a power of $$$2$$$. So the size is $$$131072$$$, but I thought is was $$$65536$$$.
Anyway, thank you for your advice.
Auto comment: topic has been updated by old_man_die_hard (previous revision, new revision, compare).
I submitted the same submission with G++17 it gives TLE
Finally got accepted.
A lesson: There's a chance to get any verdict by less array size, except accepted.