---
title: "561. Array Partition"
url: "https://laigary.com/interview/coding/561-array-partition"
type: "note"
section: "coding"
date: "2023-06-07"
updated: "2023-06-07"
tags: ["Greedy", "Array"]
---

# 561. Array Partition

[561\. Array Partition](https://leetcode.com/problems/array-partition/description/)

```python
class Solution:
    def arrayPairSum(self, nums: List[int]) -> int:
        nums.sort()
        
        res = 0
        i = 0
        
        while i < len(nums):
            res += nums[i]
            i += 2
            
        return res
```