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Commit f6cbc23

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Create 13. Cricket ScoreBoard Application.md
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### Cricket ScoreBoard Application
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* Build a cricket scorecard system that displays the team score and each player's performance.
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* Inputs: Number of players per team, number of overs, and batting order.
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* Ball-by-ball input includes runs (including wides, no balls, or wickets).
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- At the end of every over, print:
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- Individual scores, balls faced, number of 4s and 6s.
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- Total team score, wickets.
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- Implement strike changes, handle extras, and determine the match winner.
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```js
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class CricketScoreBoard {
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constructor(numberOfPlayers, numberOfOvers) {
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this.players = []; // Store player performance
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this.numberOfPlayers = numberOfPlayers; // Players per team
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this.numberOfOvers = numberOfOvers; // Total overs
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this.totalScore = 0; // Team score
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this.totalWickets = 0; // Total wickets fallen
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this.currentOver = []; // Store current over balls
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this.currentPlayerIndex = 0; // Index of striker
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this.nextPlayerIndex = 1; // Index of next batsman
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this.isStrikeChange = false; // To handle strike changes
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// Initialize players
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for (let i = 0; i < numberOfPlayers; i++) {
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this.players.push({
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id: i + 1,
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runs: 0,
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balls: 0,
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fours: 0,
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sixes: 0,
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isOut: false,
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});
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}
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}
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// Process ball-by-ball input
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ballInput(input) {
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if (this.totalWickets === this.numberOfPlayers - 1) {
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console.log("All players are out, innings over.");
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return;
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}
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if (this.currentOver.length >= 6) {
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console.log("Over already completed. Print results for this over.");
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return;
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}
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switch (input) {
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case 'W': // Wicket
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console.log(`Player ${this.players[this.currentPlayerIndex].id} is OUT!`);
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this.players[this.currentPlayerIndex].isOut = true;
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this.totalWickets++;
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if (this.totalWickets === this.numberOfPlayers - 1) {
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console.log("Innings over, all players are out!");
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return;
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}
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this.currentPlayerIndex = this.nextPlayerIndex;
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this.nextPlayerIndex++;
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break;
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case 'NB': // No-ball
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case 'WD': // Wide
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this.totalScore++; // Extras increase the total score
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console.log(`${input} - Extra run added.`);
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break;
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default:
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const runs = Number(input);
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if (!isNaN(runs)) {
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this.totalScore += runs;
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let player = this.players[this.currentPlayerIndex];
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player.runs += runs;
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player.balls++;
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if (runs === 4) player.fours++;
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if (runs === 6) player.sixes++;
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console.log(`Player ${player.id}: Hits ${runs}!`);
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// Handle strike change for odd runs
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if (runs % 2 !== 0) {
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this.isStrikeChange = !this.isStrikeChange;
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}
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} else {
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console.log("Invalid input.");
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}
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}
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this.currentOver.push(input);
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// If over completes, print the results and handle strike change
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if (this.currentOver.length === 6) {
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console.log(`Over completed.`);
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this.printOverResult();
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this.currentOver = [];
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this.isStrikeChange = !this.isStrikeChange;
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this.updateStrike();
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}
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}
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// Update the strike after an over
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updateStrike() {
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if (this.isStrikeChange) {
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const tempIndex = this.currentPlayerIndex;
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this.currentPlayerIndex = this.nextPlayerIndex - 1;
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this.nextPlayerIndex = tempIndex + 1;
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}
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}
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// Print the result of the current over
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printOverResult() {
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console.log("=================================");
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console.log("End of Over Summary:");
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this.players.forEach((player) => {
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if (!player.isOut && (player.runs > 0 || player.balls > 0)) {
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console.log(
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`Player ${player.id}: Runs=${player.runs}, Balls=${player.balls}, 4s=${player.fours}, 6s=${player.sixes}`
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);
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}
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});
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console.log(`Total Score: ${this.totalScore}, Wickets: ${this.totalWickets}`);
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console.log("=================================");
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}
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// Print the final match result
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printMatchSummary() {
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console.log("=================================");
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console.log("Match Summary:");
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console.log(`Total Score: ${this.totalScore}`);
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console.log(`Wickets Fallen: ${this.totalWickets}`);
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this.players.forEach((player) => {
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console.log(
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`Player ${player.id}: Runs=${player.runs}, Balls=${player.balls}, 4s=${player.fours}, 6s=${player.sixes}`
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);
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});
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console.log("=================================");
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}
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}
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```

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