Available question text
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.
Related questions
Continue with questions that share topics or the same question type.
Sources · 1 reference
These records explain where the question appears. A company tag or candidate report does not guarantee a future interview question.
Hello Interview · 1 record
No company association
Leetcode 1056. Confusing Number
Reported date not specified · 0 source reports
Source snapshot: Nov 12, 2026
View source