code_iq:1198

q1198.go

package main

import (
	"fmt"
	"strconv"
)

func main() {
	CodeIq()
}

func CodeIq() {
	ret := 0
	for i := 10; i <= 99; i++ {
		b := toB(i)
		num_b := countOne(b)
		bcd := toBCD(i)
		num_bcd := countOne(bcd)
		if num_b == num_bcd {
			ret++
			fmt.Printf("i = %d, b = %s, b_num = %d, BCD = %s, BCD_num = %d \n", i, b, num_b, bcd, num_bcd)
		}
	}
	fmt.Printf("%d 個\n", ret)
}

func toBCD(i int) string {
	var bcd string
	for _, char := range fmt.Sprint(strconv.Itoa(i)) {
		b, _ := strconv.Atoi(string(char))
		bcd = bcd + fmt.Sprintf("%b", b)
	}
	return bcd
}

func toB(i int) string {
	return fmt.Sprintf("%b", i)
}

func countOne(x string) int {
	ret := 0
	for _, char := range x {
		i, _ := strconv.Atoi(string(char))
		ret = ret + i
	}
	return ret
}