Round-robin tournament schedule: Difference between revisions
Added Go
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Round 8: ( 1 - 3) ( 4 - 2) ( 5 - 6) ( B - 7) ( 9 - 8)
Round 9: ( 1 - 2) ( 3 - 6) ( 4 - 7) ( 5 - 8) ( B - 9)
</pre>
=={{header|Go}}==
{{trans|Wren}}
<lang go>package main
import "fmt"
func rotate(lst []int) {
len := len(lst)
last := lst[len-1]
for i := len - 1; i >= 1; i-- {
lst[i] = lst[i-1]
}
lst[0] = last
}
func roundRobin(n int) {
lst := make([]int, n-1)
for i := 0; i < len(lst); i++ {
lst[i] = i + 2
}
if n%2 == 1 {
lst = append(lst, 0) // 0 denotes a bye
n++
}
for r := 1; r < n; r++ {
fmt.Printf("Round %2d", r)
lst2 := append([]int{1}, lst...)
for i := 0; i < n/2; i++ {
fmt.Printf(" (%2d vs %-2d)", lst2[i], lst2[n-1-i])
}
fmt.Println()
rotate(lst)
}
}
func main() {
fmt.Println("Round robin for 12 players:\n")
roundRobin(12)
fmt.Println("\n\nRound robin for 5 players (0 denotes a bye) :\n")
roundRobin(5)
}</lang>
{{out}}
<pre>
Same as Wren example.
</pre>
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