题解 | #计算某字符出现次数#

注意输入和转换即可，for一遍

package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

func main()  {
	var s,ss string
	in := bufio.NewReader(os.Stdin)
	s, _ = in.ReadString('\n')
	s = strings.TrimSpace(s)
	fmt.Fscan(in, &ss)

	s = strings.ToLower(s)
	ss = strings.ToLower(ss)
	ans := 0
	for _,v := range s {
		if string(v) == ss{
			ans++
		}
	}
	fmt.Println(ans)
}