Find Target Indices After Sorting Array — LeetCode 2089 Python Solution

The problem

You are given a 0-indexed integer array nums and a target element target. A target index is an index i such that nums[i] == target.

Example

Input

nums = [1,2,5,2,3], target = 2

Output

[1,2]

Explanation

After sorting, nums is [1,2,2,3,5].

Python solution

class Solution:
    def targetIndices(self, nums: List[int], target: int) -> List[int]:
        nums.sort()
        return [i for i, v in enumerate(nums) if v == target]

Complexity

Pattern: Monotonic Stack

Answer "what is the next greater element" for every position in one pass. LeetCode 2089. Find Target Indices After Sorting Array is filed here because the reference solution below belongs to the algorithm family this hub collects, even though its LeetCode tags point elsewhere.

The monotonic stack guide has the Python template for the pattern and the 225 LeetCode problems that use it.

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