Created
November 6, 2014 21:06
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Some code for generating a round robin tourney.
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fn generate_roundrobin(teams: &Vec<IdAndName>) -> Vec<Vec<(&IdAndName, &IdAndName)>> { | |
let static_team: &IdAndName = &teams[0]; | |
let mut other_teams: Vec<&IdAndName> = teams.iter().skip(1).collect(); | |
let mut result: Vec<Vec<(&IdAndName, &IdAndName)>> = Vec::new(); | |
for _ in range(0u, teams.len() - 1) { | |
let mut session: Vec<(&IdAndName, &IdAndName)> = Vec::new(); | |
session.push((other_teams[0], static_team)); | |
for i in range(0u, (other_teams.len() - 1) / 2) { | |
let team_1: &IdAndName = other_teams[i+1]; | |
let team_2: &IdAndName = other_teams[other_teams.len() - 1 - i]; | |
session.push((team_1, team_2)); | |
} | |
// Rotate other_teams | |
let temp = other_teams[0]; | |
for i in range(0u, other_teams.len() - 1) { | |
other_teams[i] = other_teams[i + 1]; | |
} | |
other_teams[other_teams.len() - 1] = temp; | |
result.push(session) | |
} | |
result | |
} |
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