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    source:ae1a04c270aa98d1a19cc1b81cdafbd2f769506e

Author: yeyounging

공예영/3주차/0347-top-k-frequent-elements/0347-top-k-frequent-elements.js

@@ -0,0 +1,20 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {number[]}
+ */
+var topKFrequent = function(nums, k) {
+        const countMap = new Map();
+        nums.forEach((e)=>{
+            countMap.set(e, (countMap.get(e) ?? 0) + 1);
+        })
+        const counts = [...countMap].sort((a,b)=>
+            b[1] - a[1]
+        )
+        const ans = [];
+        for(let i =0; i<k;i++){
+            ans.push(counts[i][0]);
+        }
+        return ans;
+    
+};