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Example interviewTwo Sum · Easy14:20
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Maya
Walk me through your approach before you write anything.
You
A hash map of the numbers I have seen, so each lookup is constant time.
Maya
Look at line 5. When the match is found, what do you return?
1# two sum2def two_sum(nums, target):3  seen = {}4  for i, n in enumerate(nums):5    if target - n in seen:6      return [seen[target - n], i]
SignalsReasoningEdge casesComplexity
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