def report_winner(match_id, winner_id): match = get_match(match_id) match.winner_id = winner_id if match.bracket == "winners": next_match = match.next_match slot = match.next_match_slot # "player1" or "player2" set_player_in_match(next_match, slot, winner_id)

# Step 3: Generate LB matches (simplified example for 8 players) lb_matches = [] # Map: (wb_round, wb_match_index) -> lb_match # Logic depends on tournament size; general formula exists When a match is reported:

while (curr.length > 1) let next = []; for (let i = 0; i < curr.length; i += 2) next.push( p1: null, p2: null, round: round+1, bracket: 'W', fromW1: curr[i], fromW2: curr[i+1] ); this.wbMatches.push(next); curr = next; round++;

# Check for grand finals reset if is_grand_finals(match) and match.bracket == "losers": if winner_id == lb_champion and wb_champion_exists: create_reset_match() class DoubleElimGenerator constructor(players) this.players = players; this.wbMatches = []; this.lbMatches = []; this.gfMatch = null; this.resetMatch = null; this.generate(); generate() let size = 1; while (size < this.players.length) size <<= 1; const padded = [...this.players, ...Array(size - this.players.length).fill(null)];

Winners R1: Losers R1: A vs B L1 vs L2 C vs D Winners R2: Losers R2: W1 vs W2 L3 vs W3

// Losers bracket generation would follow similar but with cross-references // (full logic requires careful mapping of loser drops)

# Also send loser to losers bracket loser_id = get_loser(match) lb_match = get_loser_bracket_match(match) set_player_in_match(lb_match, next_free_slot(lb_match), loser_id)

// Winners bracket let round = 0; let curr = []; for (let i = 0; i < padded.length; i += 2) curr.push( p1: padded[i], p2: padded[i+1], round, bracket: 'W' );

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Double Elimination Tournament Generator Here

def report_winner(match_id, winner_id): match = get_match(match_id) match.winner_id = winner_id if match.bracket == "winners": next_match = match.next_match slot = match.next_match_slot # "player1" or "player2" set_player_in_match(next_match, slot, winner_id)

# Step 3: Generate LB matches (simplified example for 8 players) lb_matches = [] # Map: (wb_round, wb_match_index) -> lb_match # Logic depends on tournament size; general formula exists When a match is reported:

while (curr.length > 1) let next = []; for (let i = 0; i < curr.length; i += 2) next.push( p1: null, p2: null, round: round+1, bracket: 'W', fromW1: curr[i], fromW2: curr[i+1] ); this.wbMatches.push(next); curr = next; round++; double elimination tournament generator

# Check for grand finals reset if is_grand_finals(match) and match.bracket == "losers": if winner_id == lb_champion and wb_champion_exists: create_reset_match() class DoubleElimGenerator constructor(players) this.players = players; this.wbMatches = []; this.lbMatches = []; this.gfMatch = null; this.resetMatch = null; this.generate(); generate() let size = 1; while (size < this.players.length) size <<= 1; const padded = [...this.players, ...Array(size - this.players.length).fill(null)];

Winners R1: Losers R1: A vs B L1 vs L2 C vs D Winners R2: Losers R2: W1 vs W2 L3 vs W3 1) let next = []

// Losers bracket generation would follow similar but with cross-references // (full logic requires careful mapping of loser drops)

# Also send loser to losers bracket loser_id = get_loser(match) lb_match = get_loser_bracket_match(match) set_player_in_match(lb_match, next_free_slot(lb_match), loser_id) for (let i = 0

// Winners bracket let round = 0; let curr = []; for (let i = 0; i < padded.length; i += 2) curr.push( p1: padded[i], p2: padded[i+1], round, bracket: 'W' );