力扣之好数对的数目

郭梧悠发布时间：2020-08-28 10:51:28 ，浏览量：2

该题是力扣上面的一道难度为简单的题，虽然难度标志为简单，但是看了大家的解法确实能学到一点东西，下面就来分析分析这道题(原题传送门），题目如下：

给你一个整数数组 nums 。
如果一组数字 (i,j) 满足 nums[i] == nums[j] 且 i


    
        
        
        
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