Commit e44e59f

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feature: add go solution for leetcode 0040

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Lines changed: 26 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+func combinationSum2(candidates []int, target int) [][]int {`
	`2`	`+ //排序,然后递归搜索`
	`3`	`+ sort.Ints(candidates)`
	`4`	`+ return dfs(candidates,target)`
	`5`	`+}`
	`6`	`+`
	`7`	`+func dfs(nums []int, target int) [][]int {`
	`8`	`+ ret := [][]int{}`
	`9`	`+ for i, n := range nums {`
	`10`	`+ //跳过与之前迭代相同的值`
	`11`	`+ if i > 0 && nums[i-1] == n {`
	`12`	`+ continue`
	`13`	`+ } else if target < n {`
	`14`	`+ break`
	`15`	`+ } else if target == n {`
	`16`	`+ ret = append(ret, []int{n})`
	`17`	`+ continue`
	`18`	`+ }`
	`19`	`+ //不能使用同一位置数字`
	`20`	`+ for _,v := range dfs(nums[i+1:], target - n) {`
	`21`	`+ ret = append(ret,append([]int{n}, v...))`
	`22`	`+ }`
	`23`	`+ }`
	`24`	`+`
	`25`	`+ return ret`
	`26`	`+}`

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