Leetcode 1056. Confusing Number

Check whether a given positive integer becomes a different valid number when rotated 180 degrees — using digit mappings 0→0,1→1,6→9,8→8,9→6 (digits 2,3,4,5,7 are invalid). Return true if the rotated number is valid and not equal to the original.

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Leetcode 1056. Confusing Number

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