package main
import (
"fmt"
)
func main() {
code := "abc1abc1abc"
fmt.Print(solution(code))
}
func solution(code string) string {
mode := 0
answer := ""
for i, c := range code {
if c == '1' {
mode = 1 - mode
continue
}
if mode == 0 {
if i%2 == 0 {
answer += string(c)
}
} else {
if i%2 != 0 {
answer += string(c)
}
}
}
if answer == "" {
return "EMPTY"
}
return answer
}
![](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FcM51IL%2FbtsycV68Fin%2FoZhQL86TpoTKXzvuxiZCs1%2Fimg.png)