An unexpectedly difficult problem

Правка en12, от tredsused70, 2023-01-27 22:11:37

Hi, I was solving this problem a few minutes ago, and the following problem is a subproblem of this one.

Given integer $$$n$$$, and array $$$a$$$ consisting of $$$n - 1$$$ integers, all of them are equal to some value $$$b$$$. Later, some integer $$$c$$$ is chosen, such that $$$c != b$$$, and beign inserted to the array $$$a$$$ at random position. By given $$$n$$$ and $$$a$$$ find $$$c$$$.

my solution

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en24 Английский tredsused70 2023-01-28 00:38:27 5 (published)
en23 Английский tredsused70 2023-01-28 00:38:18 1028 (saved to drafts)
en22 Английский tredsused70 2023-01-27 23:56:48 0 Tiny change: 'striction?\n' -> 'striction? There is no restriction to time complexity\n'
en21 Английский tredsused70 2023-01-27 22:43:33 0 (published)
en20 Английский tredsused70 2023-01-27 22:41:31 4 Tiny change: 'blem of this one.\n\nG' -> 'blem of that one.\n\nG'
en19 Английский tredsused70 2023-01-27 22:39:12 46
en18 Английский tredsused70 2023-01-27 22:34:44 0
en17 Английский tredsused70 2023-01-27 22:34:44 207
en16 Английский tredsused70 2023-01-27 22:29:54 2
en15 Английский tredsused70 2023-01-27 22:29:23 122
en14 Английский tredsused70 2023-01-27 22:23:31 191
en13 Английский tredsused70 2023-01-27 22:14:54 5 Tiny change: 'h that $c != b$, and b' -> 'h that $c \ne b$, and b'
en12 Английский tredsused70 2023-01-27 22:11:37 28
en11 Английский tredsused70 2023-01-27 22:11:06 20
en10 Английский tredsused70 2023-01-27 22:10:01 256
en9 Английский tredsused70 2023-01-27 22:00:12 51
en8 Английский tredsused70 2023-01-27 21:58:18 13
en7 Английский tredsused70 2023-01-27 21:56:46 159 Tiny change: 'solution">\n~~~~~\n#in' -> 'solution">~~~~~\n#in'
en6 Английский tredsused70 2023-01-27 21:51:24 66
en5 Английский tredsused70 2023-01-27 21:50:44 49 Tiny change: '\n\n<spoil' -> '\n~~~~~\nint n = 1;\ncout << n << "\n";\n~~~~~\n\n\n<spoil'
en4 Английский tredsused70 2023-01-27 21:50:07 5
en3 Английский tredsused70 2023-01-27 21:48:58 25
en2 Английский tredsused70 2023-01-27 21:47:57 256
en1 Английский tredsused70 2023-01-27 21:46:13 122 Initial revision (saved to drafts)