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LeetCode solutions

1482. How Many Numbers Are Smaller Than the Current Number

My accepted Python solution to LeetCode problem 1482, How Many Numbers Are Smaller Than the Current Number, running in 3ms.

  • Difficulty: Easy
  • Python
  • Runtime 3ms
  • Memory 17.2MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 3ms, memory 17.2MB, accepted 2025-12-30.

python
class Solution:
    def smallerNumbersThanCurrent(self, nums: List[int]) -> List[int]:
        sorted_nums = sorted(nums)
        rank = {}
        for i, n in enumerate(sorted_nums):
            if n not in rank:
                rank[n] = i
        return [rank[n] for n in nums]

Source