Leetcode.Solved.Number-of-good-pairs

//https://leetcode.com/problems/number-of-good-pairs/
public class Solution {
    public int NumIdenticalPairs(int[] nums) {
        int count = 0;
        for (int i = 0; i < nums.Length; i++) {
            for (int j = 0; j < nums.Length; j++) {
              if (i < j && nums[i] == nums[j]) {
                 count++; 
              }
            }
        }

        return count;
    }
}