Pattern 22: LeetCode Interview Patterns24 sections · 736 units
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Quiz: What Makes a Good Hash Map Key

Test your understanding

Check Your Understanding

You need to find two numbers that sum to a target. What should you store as the hash map key?

  1. A.The index of each element
  2. B.The target value
  3. C.The difference between consecutive elements
  4. D.Each element's value
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