You have an array of integers where each number appears 3 times except one.
Like [2, 3, 2, 4, 3, 7, 2, 3, 4, 4].
Please find this ‘lonely’ integer in array.
Update: memory use should be constant.
kurkov / lonelynumber Goto Github PK
View Code? Open in Web Editor NEWAlgorithm of finding lonely integer in array of integers, where each number appears 3 times except one.