📅  最后修改于: 2022-03-11 15:00:27.358000             🧑  作者: Mango
func plusMinus(arr []int32) {
var positive, negative, zero, total float64
total = float64(len(arr))
for _, v := range arr {
if v > 0 {
positive++
} else if v < 0 {
negative++
} else {
zero++
}
}
fmt.Printf("%v\n", positive / total)
fmt.Printf("%v\n", negative/ total)
fmt.Printf("%v\n", zero / total)
}