Pergunta de entrevista da empresa Amazon
Find the number which repeat odds times in a array.(only one such number)
Resposta da entrevista
Sigiloso
7 de abr. de 2011
Perform exor operation. res = array[0] for(i=1 to n-1) { res = res (EXOR) array[i] } res will be that number repeated odd times. others will cancel each other out during XOR.
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