算法基础：删除字符串中出现次数最少的字符（Golang实现）

代码实现

package huawei

import (
	"fmt"
)

func Test4Base() {
	s := "abcfbcca"
	result := deleteMinChars(s)
	fmt.Println(result)
}

func deleteMinChars(s string) string {
	countMap := make(map[rune]int, 0)
	//统计出现次数
	for _, v := range s {
		countMap[v]++
	}

	//查找最少次数
	var minCount int
	for _, v := range countMap {
		if minCount == 0 || v < minCount {
			minCount = v
		}
	}

	//删除字符串中出现次数为minCount的字符
	for i := len(s) - 1; i >= 0; i-- {
		if countMap[rune(s[i])] == minCount {
			s = s[:i] + s[i+1:]
		}
	}

	return s
}