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Unofficial hints for Codeforces Round #682 (Div. 2) (A — D)

Правка en6, от TheScrasse, 2020-11-13 20:59:08

As promised, here are some (nested) hints for Codeforces Round #682 (Div. 2).

1438A - Specific Tastes of Andre

Hint 1

1438B - Valerii Against Everyone

Hint 1

1438C - Engineer Artem

Hint 1

1438D - Powerful Ksenia

Hint 1

I wasn't able to solve E and F. If you did, you may want to add your hints in the comments.

Also, please send a feedback if the hints are unclear or if they spoil the solution too much.

Теги hints

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  Rev. Язык Кто Когда Δ Комментарий
en6 Английский TheScrasse 2020-11-13 20:59:08 17 Tiny change: '\nThe xor remains c' -> '\nThe xor of all the array remains c'
en5 Английский TheScrasse 2020-11-13 20:46:19 97
en4 Английский TheScrasse 2020-11-13 20:32:22 34 Tiny change: 'he array. Are ther' -> 'he array. You already have some $a[i] = x$. Are ther'
en3 Английский TheScrasse 2020-11-13 20:25:47 24 Tiny change: 'th cases, you can ' -> 'th cases, if the answer is `YES`, you can '
en2 Английский TheScrasse 2020-11-13 20:21:01 76
en1 Английский TheScrasse 2020-11-13 20:18:34 2080 Initial revision (published)