resolve: topKFrequentElements

Author: b41-41

top-k-frequent-elements/b41-41.ts

@@ -0,0 +1,17 @@
+function topKFrequent(nums: number[], k: number): number[] {
+    const numMap = new Map();
+
+    for (let num of nums) {
+        if(!numMap.has(num)) {
+            numMap.set(num, 1);
+        } else {
+            const count = Number(numMap.get(num)) || 0;
+            numMap.set(num, count + 1);
+        }
+    }
+
+    const result = [...numMap].sort((a, b) => b[1] - a[1]).map((num) => num[0]).slice(0, k);
+    
+
+    return result;
+};