Create topkfrequent.go

topkfrequent.go

@@ -0,0 +1,20 @@
+func topKFrequent(nums []int, k int) []int {
+  //need to write something better, seems like this could be improved
+	result := make(map[int]int)
+	count := make(map[int][]int)
+	topK := []int{}
+	for j := range nums {
+		result[nums[j]]++
+	}
+	for i, j := range result {
+		count[j] = append(count[result[i]], i)
+	}
+ 	for i := len(nums); i >= 0; i-- {
+		if _, ok := count[i]; ok {
+			if len(topK) != k {
+					topK = append(topK, count[i]...)
+			}
+		}
+	}
+	return topK
+}