count-of-smaller-numbers-after-self.go

package problem0315

func countSmaller(nums []int) []int {
	res := make([]int, len(nums))
	for i := 0; i < len(nums); i++ {
		for j := i + 1; j < len(nums); j++ {
			if nums[j] < nums[i] {
				res[i]++
			}
		}
	}
	return res
}