World Snooker Championship

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String stageOfTheChampionship = scanner.nextLine(),
                typesOfTickets = scanner.nextLine();
        int ticketCount = Integer.parseInt(scanner.nextLine());
        String selfieWithTheTrophy = scanner.nextLine();
        double ticketPrice = 0, totalPrice;

        if (stageOfTheChampionship.equals("Quarter final")) {
            if (typesOfTickets.equals("Standard")) {
                ticketPrice = 55.50;
            } else if (typesOfTickets.equals("Premium")) {
                ticketPrice = 105.20;
            } else if (typesOfTickets.equals("VIP")) {
                ticketPrice = 118.90;
            }
        } else if (stageOfTheChampionship.equals("Semi final")) {
            if (typesOfTickets.equals("Standard")) {
                ticketPrice = 75.88;
            } else if (typesOfTickets.equals("Premium")) {
                ticketPrice = 125.22;
            } else if (typesOfTickets.equals("VIP")) {
                ticketPrice = 300.40;
            }
        } else if (stageOfTheChampionship.equals("Final")) {
            if (typesOfTickets.equals("Standard")) {
                ticketPrice = 110.10;
            } else if (typesOfTickets.equals("Premium")) {
                ticketPrice = 160.66;
            } else if (typesOfTickets.equals("VIP")) {
                ticketPrice = 400.00;
            }
        }

        totalPrice = ticketPrice * ticketCount;

        if (totalPrice > 4000) {
            totalPrice *= 0.75;
            selfieWithTheTrophy = "N";
        } else if (totalPrice > 2500) {
            totalPrice *= 0.90;
        }

        if (selfieWithTheTrophy.equals("Y")) {
            totalPrice += ticketCount * 40;
        }

        System.out.printf("%.2f\n", totalPrice);
    }
}

Решение със switch и тернарен оператор:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String stageOfTheChampionship = scanner.nextLine(),
                typesOfTickets = scanner.nextLine();
        int ticketCount = Integer.parseInt(scanner.nextLine());
        String selfieWithTheTrophy = scanner.nextLine();

        double ticketPrice = switch (stageOfTheChampionship) {
            case "Quarter final" -> switch (typesOfTickets) {
                case "Standard" -> 55.50;
                case "Premium" -> 105.20;
                case "VIP" -> 118.90;
                default -> 0;
            };
            case "Semi final" -> switch (typesOfTickets) {
                case "Standard" -> 75.88;
                case "Premium" -> 125.22;
                case "VIP" -> 300.40;
                default -> 0;
            };
            case "Final" -> switch (typesOfTickets) {
                case "Standard" -> 110.10;
                case "Premium" -> 160.66;
                case "VIP" -> 400.00;
                default -> 0;
            };
            default -> 0;
        };

        double totalPrice = ticketPrice * ticketCount;
        selfieWithTheTrophy = totalPrice > 4000 ? "N" : selfieWithTheTrophy;
        totalPrice *= totalPrice > 4000 ? 0.75 : totalPrice > 2500 ? 0.90 : 1;
        totalPrice += selfieWithTheTrophy.equals("Y") ? ticketCount * 40 : 0;

        System.out.printf("%.2f\n", totalPrice);
    }
}