InterviewHelpers
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The most advanced AI interview assistant. Get real-time answers to LeetCode problems and system design questions during your technical interviews.

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You, screensharing
def two_sum(nums, target):
  for i in range(len(nums)):
    for j in range(i+1, len(nums)):
      if nums[i] + nums[j] == target:
        return [i, j]
AI Assistant

Better solution using hash map for O(n) time:

def two_sum(nums, target):
  seen =
  for i, num in enumerate(nums):
    diff = target - num
    if diff in seen:
      return [seen[diff], i]
    seen[num] = i

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