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Map an array to 1 << A[i] and then XOR everything together. Your duplicateduplicates will be the numbernumbers where corresponding bit is off.
1 << A[i]
Map an array to 1 << A[i] and then XOR everything together. Your duplicate will be the number where corresponding bit is off.
Map an array to 1 << A[i] and then XOR everything together. Your duplicates will be the numbers where corresponding bit is off.
