LinkedInOA #2
Find Number of Perfect Pairs
估计中等评测数据准备中，可先阅读题面
A perfect pair (x, y) is such
Example 1
Input:
nums = [2, -3, 5]
Output:
2
Explanation: (2, -3) and (-3, 5) are perfect pairs
LinkedInOA #2
估计中等评测数据准备中，可先阅读题面
A perfect pair (x, y) is such
Input:
nums = [2, -3, 5]
Output:
2
Explanation: (2, -3) and (-3, 5) are perfect pairs