题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
package main
// 先把scan的内容反过来,然后按照''切分,把数据装入到map中,判断map中是否存在过,不存在则加入到切片中
import (
"fmt"
"strconv"
"strings"
)
func main() {
var (
st string
)
fmt.Scan(&st)
var ints []int
m := map[string]int{}
lst := strings.Split(st, "")
l := make([]string, len(lst))
for i := range lst {
l[i] = lst[len(lst)-i-1]
}
for _, v := range l {
if m[v] == 0 {
atoi, _ := strconv.Atoi(v)
ints = append(ints, atoi)
}
m[v]++
}
for _, i := range ints {
fmt.Printf("%d", i)
}
}
