Time: 0 ms (100%), Space: 35.2 MB (19.05%) - LeetHub

Author: cmcoffeedev

1512-number-of-good-pairs/1512-number-of-good-pairs.kt

@@ -0,0 +1,11 @@
+class Solution {
+    fun numIdenticalPairs(nums: IntArray): Int {
+        val freqArr = IntArray(101)
+        var count = 0
+        for(num in nums){
+            count += freqArr[num]
+            freqArr[num]++
+        }
+        return count
+    }
+}