An implementation of ITTF Tournament matches logic.
go get -u github.com/weilsonwonder/tournament
Print out the matches between 6 players.
package main
import (
"fmt"
"github.com/weilsonwonder/tournament"
)
type Player struct {
Name string
}
func main() {
// test players set
players := []*Player{
{"Alex"},
{"Britney"},
{"Charlie"},
{"Darren"},
{"Elizabeth"},
{"Frank"},
}
// create a group where players will face-off
group := tournament.NewGroup(len(players))
// check number of rounds required to all players to face-off with each other
fmt.Println("Total Rounds Required:", group.TotalRounds())
fmt.Println("Total Matches:", group.TotalMatches())
fmt.Println()
// for each round, check out what is the matches like
for round := 1; round <= group.TotalRounds(); round++ {
matches := group.GetMatches(round)
fmt.Println("Round", round)
fmt.Println("---")
for _, match := range matches {
if match.IsValid() {
fmt.Println(players[match.Player1].Name, "vs", players[match.Player2].Name)
} else {
// this is a null-match, which means one of the players do not have an opponent (when odd number of players)
if match.Player1.IsValid() {
fmt.Println(players[match.Player1].Name, "do not have a match")
} else {
fmt.Println(players[match.Player2].Name, "do not have a match")
}
}
}
fmt.Println()
}
}Output:
Total Rounds Required: 5
Total Matches: 15
Round 1
---
Alex vs Darren
Britney vs Frank
Charlie vs Elizabeth
Round 2
---
Alex vs Frank
Darren vs Elizabeth
Britney vs Charlie
Round 3
---
Alex vs Elizabeth
Frank vs Charlie
Darren vs Britney
Round 4
---
Alex vs Charlie
Elizabeth vs Britney
Frank vs Darren
Round 5
---
Alex vs Britney
Charlie vs Darren
Elizabeth vs Frank
Print out the matches between 5 players.
package main
import (
"fmt"
"github.com/weilsonwonder/tournament"
)
type Player struct {
Name string
}
func main() {
// test players set
players := []*Player{
{"Zack"},
{"Youth"},
{"Xavier"},
{"Wednesday"},
{"Veronica"},
}
// create a group where players will face-off
group := tournament.NewGroup(len(players))
// check number of rounds required to all players to face-off with each other
fmt.Println("Total Rounds Required:", group.TotalRounds())
fmt.Println("Total Matches:", group.TotalMatches())
fmt.Println()
// for each round, check out what is the matches like
for round := 1; round <= group.TotalRounds(); round++ {
matches := group.GetMatches(round)
fmt.Println("Round", round)
fmt.Println("---")
for _, match := range matches {
if match.IsValid() {
fmt.Println(players[match.Player1].Name, "vs", players[match.Player2].Name)
} else {
// this is a null-match, which means one of the players do not have an opponent (when odd number of players)
if match.Player1.IsValid() {
fmt.Println(players[match.Player1].Name, "do not have a match")
} else {
fmt.Println(players[match.Player2].Name, "do not have a match")
}
}
}
fmt.Println()
}
}Output:
Total Rounds Required: 5
Total Matches: 10
Round 1
---
Zack vs Wednesday
Youth do not have a match
Xavier vs Veronica
Round 2
---
Zack do not have a match
Wednesday vs Veronica
Youth vs Xavier
Round 3
---
Zack vs Veronica
Xavier do not have a match
Wednesday vs Youth
Round 4
---
Zack vs Xavier
Veronica vs Youth
Wednesday do not have a match
Round 5
---
Zack vs Youth
Xavier vs Wednesday
Veronica do not have a match
- Added implementation
- Added tests and benchmarks
- Added readme