Golang | Leetcode Golang题解之第377题组合总和IV
题目：
题解：
func combinationSum4(nums []int, target int) int {
dp := make([]int, target+1)
dp[0] = 1
for i := 1; i <= target; i++ {
for _, num := range nums {
if num <= i {
dp[i] += dp[i-num]
}
}
}
return dp[target]
}