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All topics›JavaScript›Bit manipulation

Missing Number

beginnerlayer I11 · Bit manipulation5 tests

nums holds n distinct integers drawn from the range 0..n. Exactly one number from that range is missing — return it.

  • Solve it with XOR, not with a sum formula and not with a Set
  • The array is not sorted
  • nums may be empty, in which case the missing number is 0

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