Pergunta de entrevista da empresa Genesys
Find the duplicate elements in an array without using additional data structure.
Resposta da entrevista
Sigiloso
19 de jul. de 2018
1. sort the array and find adjacent elements 2. traverse the array and make arr[arr[i]] negative if it is positive, if you find negative while traversing it is a duplicate element, a disclaimer - array consist of positive elements