Some question about O2

Revision en2, by RDFZchenyy, 2025-11-14 03:55:10

When I was solving the problem [problem:647G]

I've tried to use #pragma GCC optimize(2) to speed up the code on my Ubuntu.

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en7 English RDFZchenyy 2025-11-14 06:10:27 272
en6 English RDFZchenyy 2025-11-14 05:30:31 148 Tiny change: '\n\nUpdate: I've put `' -> '\n\nUpdate\n------\n\nI've put `'
en5 English RDFZchenyy 2025-11-14 04:19:07 0 (published)
en4 English RDFZchenyy 2025-11-14 04:18:47 136
en3 English RDFZchenyy 2025-11-14 04:14:11 1297 Tiny change: '348822053)\n\nI trie' -> '348822053).\n\nI trie'
en2 English RDFZchenyy 2025-11-14 03:55:10 109 Tiny change: '> I've tried' -> 'I've tried'
en1 English RDFZchenyy 2025-11-14 03:53:01 132 Initial revision (saved to drafts)