golang判断切片中重复出现次数最多的数字及出现次数

package main

import (
"fmt"
)

func main() {
s1 := []int{5, 9, 12, 5, 24, 7, 8, 4, 17, 9, 2, 4, 13, 1, 24, 6, 2, 31, 12, 5, 10, 24}
m1 := make(map[int]int)
var s2 []int
var max int
var s3 []int

for _, v := range s1 {
if m1[v] != 0 {
m1[v]++
} else {
m1[v] = 1
}
}
fmt.Println(m1)

for _, v := range m1 {
s2 = append(s2, v)
}
max = s2[0]
for i := 0; i < len(s2); i++ {
if max < s2[i] {
max = s2[i]
}
}
fmt.Println(max)

for k, v := range m1 {
if v == max {
s3 = append(s3, k)
}
}
fmt.Println(s3)

}