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go: remove unused parameter

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Task: The Number of Beautiful Subsets

Signed-off-by: Matej Focko <me@mfocko.xyz>
This commit is contained in:
Matej Focko 2024-05-23 20:48:26 +02:00
parent aa9e412aa4
commit 17095ea3b2
Signed by: mfocko
GPG key ID: 7C47D46246790496
1 changed files with 5 additions and 5 deletions
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10
go/the-number-of-beautiful-subsets.go
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@ -7,20 +7,20 @@ import (
func beautifulSubsets(nums []int, k int) int { func beautifulSubsets(nums []int, k int) int {
seen := make(map[int]int) seen := make(map[int]int)
var dfs func(int, int) int var dfs func(int) int
dfs = func(lastNum, i int) int { dfs = func(i int) int {
// BASE: Got to the end of the slice // BASE: Got to the end of the slice
if i >= len(nums) { if i >= len(nums) {
return 1 return 1
} }
// Initialize with skipping the current number // Initialize with skipping the current number
foundSubsets := dfs(lastNum, i+1) foundSubsets := dfs(i + 1)
// Check if we can include the current number // Check if we can include the current number
if seen[nums[i]-k] == 0 && seen[nums[i]+k] == 0 { if seen[nums[i]-k] == 0 && seen[nums[i]+k] == 0 {
seen[nums[i]] += 1 seen[nums[i]] += 1
foundSubsets += dfs(nums[i], i+1) foundSubsets += dfs(i + 1)
seen[nums[i]] -= 1 seen[nums[i]] -= 1
} }
@ -28,5 +28,5 @@ func beautifulSubsets(nums []int, k int) int {
} }
slices.Sort(nums) slices.Sort(nums)
return dfs(nums[0]-k-1, 0) - 1 return dfs(0) - 1
} }