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