Problem 2701. Go to the head of the class!

You're given a matrix and a single number. If that number is in the matrix, reorder the matrix so that number is in the first row and first column of the matrix, and keep all of the other numbers in the same relative position. For example, your matrix is magic(3):

     8     1     6
     3     5     7
     4     9     2

and the number is nine. You want to change the matrix to

     9     2     4
     1     6     8
     5     7     3

Nine is now in the (1,1) position, and all of the other numbers are in the same relative position to nine. If the number is not in the matrix, just return the original matrix. Likewise, if the number appears more than once, make sure the first instance of the number is the one that is moved to the front. Good luck!

Solution Stats

40.12% Correct | 59.88% Incorrect
Last Solution submitted on Jul 14, 2024

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