题解 | 删除字符串中出现次数最少的字符

package main

import (
	"fmt"
	"math"
)

func main() {
	var s string
	dic := make([]int, 26)
	fmt.Scan(&s)
	runes := []rune(s)
	for _, c := range runes {
		dic[c-'a']++
	}
	min := math.MaxInt
	for _, v := range dic {
		if v < min && v != 0 {
			min = v
		}
	}
	res := []rune{}
	for _, v := range runes {
		if dic[v-'a'] > min {
			res = append(res, v)
		}
	}
	fmt.Println(string(res))

}