31 lines
471 B
Go
31 lines
471 B
Go
// For more tutorials: https://blog.learngoprogramming.com
|
|
//
|
|
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
func main() {
|
|
in := bufio.NewScanner(os.Stdin)
|
|
|
|
words := make(map[string]bool)
|
|
for in.Scan() {
|
|
w := strings.ToLower(in.Text())
|
|
|
|
if words[w] {
|
|
fmt.Println("TWICE!")
|
|
return
|
|
}
|
|
words[in.Text()] = true
|
|
}
|
|
}
|