fix: slice limit cap

changchanghwang · changchanghwang · commit 3e77e09c5679 · 2024-12-03T23:39:10.000+09:00
diff --git a/top-k-frequent-elements/changchanghwang.go b/top-k-frequent-elements/changchanghwang.go
@@ -20,10 +20,10 @@ func topKFrequent(nums []int, k int) []int {
 		return result[i][1] > result[j][1]
 	})
 
-	resultNums := []int{}
+	resultNums := make([]int, 0, k)
 	for i := 0; i < k; i++ {
-		resultNums = append(resultNums, result[i][0]) // 정렬을 했기 때문에 앞에서부터 k개만 뽑아내면 된다.
+		resultNums = append(resultNums, result[i][0])
 	}
 
-	return resultNums[:k]
+	return resultNums
 }

Original file line number	Diff line number	Diff line change
`@@ -20,10 +20,10 @@ func topKFrequent(nums []int, k int) []int {`
`20`	`20`	`return result[i][1] > result[j][1]`
`21`	`21`	`})`
`22`	`22`
`23`		`- resultNums := []int{}`
	`23`	`+ resultNums := make([]int, 0, k)`
`24`	`24`	`for i := 0; i < k; i++ {`
`25`		`- resultNums = append(resultNums, result[i][0]) // 정렬을 했기 때문에 앞에서부터 k개만 뽑아내면 된다.`
	`25`	`+ resultNums = append(resultNums, result[i][0])`
`26`	`26`	`}`
`27`	`27`
`28`		`- return resultNums[:k]`
	`28`	`+ return resultNums`
`29`	`29`	`}`