Pergunta de entrevista da empresa Amazon
Given two arrays with numbers, to return an array containing only those numbers occurring in both the arrays
Resposta da entrevista
Sigiloso
30 de nov. de 2012
Create a hashtable of the first array with the array value being the key and the hashtable value being a counter (set each value to 0). Walk through the second array and check if it exists in the hashtable, if it does, add it to the return array.