43 lines
1,004 B
Go
43 lines
1,004 B
Go
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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"strconv"
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)
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func showTokens(tokens int) {
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fmt.Println("Tokens remaining", tokens, "\n")
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}
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func main() {
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tokens := 12
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scanner := bufio.NewScanner(os.Stdin)
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for {
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showTokens(tokens)
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fmt.Print(" How many tokens 1, 2 or 3? ")
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scanner.Scan()
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if scerr := scanner.Err(); scerr != nil {
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fmt.Println("Error reading standard input:", scerr)
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return
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}
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t, err := strconv.Atoi(scanner.Text())
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if err != nil || t < 1 || t > 3 {
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fmt.Println("\nMust be a number between 1 and 3, try again.\n")
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} else {
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ct := 4 - t
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s := "s"
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if ct == 1 {
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s = ""
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}
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fmt.Print(" Computer takes ", ct, " token", s, "\n\n")
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tokens -= 4
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}
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if tokens == 0 {
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showTokens(0)
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fmt.Println(" Computer wins!")
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return
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}
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}
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}
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