题解 | #计算某字符出现次数#

package main

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

func charCount(str string, c string) int {
	count := 0
    s := strings.ToLower(str)
    c = strings.ToLower(c)
	for _, v := range s {
        if string(v) == c {
			count++
		}
	}
	return count
}

func main() {
    inputReader := bufio.NewReader(os.Stdin)
    input, _ := inputReader.ReadString('\n')
    cInput, _ := inputReader.ReadString('\n')
    c := string(cInput[0])
    fmt.Println(charCount(input, c))
}