codetail

Master the craft of coding

two_sum.py

1def two_sum(nums, target):

2 seen = {}

3 for i, num in enumerate(nums):

4 complement = target - num

5 if complement in seen:

6 return [seen[complement], i]

7 seen[num] = i

8 return []

AI Review

Clean O(n) solution using hash map. Good variable naming.

150+Problems

12Paths

5Stacks

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