1. Java / Говнокод #28791

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    public class MathGame {

    public static Map<Integer, String> data = new HashMap<Integer, String>();
    public static Map<String, Integer> result = new HashMap<String, Integer>();
    String problem;
    Random random = new Random();

    public void NewProblem() {

        String sign = null;

        for (int i = 1; i < 5; i++) {

            switch (GenNumber(3)) {
                case 1:
                    sign = Sign.MINUS.get();
                    break;
                case 2:
                    sign = Sign.PLUS.get();
                    break;
                case 3:
                    sign = Sign.TIMES.get();
                    break;
                default:
                    sign = Sign.PLUS.get();
                    break;
            }

            problem = GenNumber(9) + " " + sign + " " + GenNumber(9);
            result.put(problem + " = ???", Decide(Integer.parseInt(
                    problem.split(" ")[0]), problem.split(" ")[1], Integer
                    .parseInt(problem.split(" ")[2])));
            data.put(i, problem);

        }
    }

    private int GenNumber(int s) {
        return random.nextInt(s) + 1;
    }

    private int Decide(int a, String sign, int b) {
        switch (sign) {
            case "+":
                return a + b;
            case "-":
                return a - b;
            case "*":
                return a * b;
        }
        return 0;
    }

    public enum Sign {
        PLUS("+"),
        MINUS("-"),
        TIMES("*");

        private final String sign;

        Sign(String sign) {
            this.sign = sign;
        }

        public String get() {
            return sign;
        }

    }

}

    Запостил: girixok149, 05 Июня 2023

    Комментарии (1) RSS

    • ava Ray_Mints 14 часов назад # 0 

      public class MathGame {

  private static final Map<String, Integer> result = new LinkedHashMap<>();
  private final Random random = new Random();

  public void runMathProblems(int times) {

    for (int i = 0; i < times; i++) {
      int a = randomSingleDigitInt();
      int b = randomSingleDigitInt();
      Sign sign = randomSign();

      String problem = a + " " + sign.getSymbol() + " " + b;

      if (result.containsKey(problem)) {
        continue;
      }

      result.put(problem, calculate(a, sign, b));
    }
  }

  public static Map<String, Integer> getResultCopy() {
    return Collections.unmodifiableMap(new LinkedHashMap<>(result));
  }

  private int randomSingleDigitInt() {
    return random.nextInt(10);
  }

  private Sign randomSign() {
    Sign[] signs = Sign.values();
    return signs[random.nextInt(signs.length)];
  }

  private int calculate(int a, Sign sign, int b) {
    switch (sign) {
      case PLUS:
        return a + b;
      case MINUS:
        return a - b;
      case TIMES:
        return a * b;
    }
    return 0;
  }

}

public enum Sign {
  PLUS("+"),
  MINUS("-"),
  TIMES("*");

  private final String symbol;

  Sign(String symbol) {
    this.symbol = symbol;
  }

  public String getSymbol() {
    return symbol;
  }

}

public class Main {
  public static void main(String[] args) {
    MathGame mathGame = new MathGame();

    mathGame.runMathProblems(4);
    printDataAndResult();

//    mathGame.runMathProblems(5);
//    printDataAndResult();
  }

  public static void printDataAndResult() {
    String delimiter = " -> ";

    System.out.println("data:");
    int i = 1;
    for (String problem: MathGame.getResultCopy().keySet()) {
      System.out.println(i + delimiter + problem);
      i++;
    }

    System.out.println("\nresult:");
    MathGame.getResultCopy().forEach((key, value) -> System.out.println(key + " = ???" + delimiter + value));
  }

}
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