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Using nested for loop
Jay
Apr 25, 2024
class Solution { numGoodPairs(nums) { let pairCount = 0; for(let i = 0; i < nums.length; i++) { for(let j = i + 1; j < nums.length; j++) { if (nums[i] == nums[j]) pairCount++; } } return pairCount; } }
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