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EasyBit ManipulationLC 338

Counting Bits

Given an integer n, return an array ans of length n + 1 such that for each i (0 0 1 --> 1 2 --> 10

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Hints
  • 1.Think about what data structure fits Counting Bits
  • 2.Consider the brute force complexity and how to optimize
  • 3.Can you trade space for time?
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