mirror of
https://github.com/halfrost/LeetCode-Go.git
synced 2025-07-23 09:51:45 +08:00
25 lines
466 B
Go
25 lines
466 B
Go
package leetcode
|
|
|
|
func combinationSum4(nums []int, target int) int {
|
|
if len(nums) == 0 {
|
|
return 0
|
|
}
|
|
c, res := []int{}, 0
|
|
findcombinationSum4(nums, target, 0, c, &res)
|
|
return res
|
|
}
|
|
|
|
func findcombinationSum4(nums []int, target, index int, c []int, res *int) {
|
|
if target <= 0 {
|
|
if target == 0 {
|
|
*res++
|
|
}
|
|
return
|
|
}
|
|
for i := 0; i < len(nums); i++ {
|
|
c = append(c, nums[i])
|
|
findcombinationSum4(nums, target-nums[i], i, c, res)
|
|
c = c[:len(c)-1]
|
|
}
|
|
}
|