Codenation Coding Round Problems

Правка en1, от yellow_13, 2022-06-16 01:37:56

The following problems are from the Codenation coding round held on 12th June. I was not able to solve these 4 problems, and it would be very helpful if you guys could give a rough idea of the solution.

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  Rev. Язык Кто Когда Δ Комментарий
en4 Английский yellow_13 2022-07-07 20:00:12 0 (published)
en3 Английский yellow_13 2022-07-07 19:59:37 455 Tiny change: 'q n$\n\n\nQ2. ' -> 'q n$\n\n\n\n\nQ2. '
en2 Английский yellow_13 2022-06-16 02:01:07 606 Tiny change: 'ution.\n\n' -> 'ution.\n\nQ1. Given an integer array $X$'
en1 Английский yellow_13 2022-06-16 01:37:56 238 Initial revision (saved to drafts)