Dec 18 [Mimi] - All

package OLD_MID_EXAMs_18_12_18;

import java.util.Scanner;

public class _01_ChristmasSpirit {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int quantity = Integer.parseInt(scanner.nextLine());
        int days = Integer.parseInt(scanner.nextLine());

        int ornamentSet = 2;
        int treeSkirt = 5;
        int treeGarlands = 3;
        int treeLights = 15;

        int costs = 0;
        int spirit = 0;

        for (int i = 1; i <= days; i++) {
            if (i % 11 == 0){
                quantity += 2;
            }

            if (i % 10 == 0){
                spirit -= 20;
                costs += (treeSkirt + treeGarlands + treeLights);
                if (i == days){
                    spirit -= 30;
                }
            }

            if (i % 5 == 0){
                costs += (treeLights * quantity);
                spirit += 17;
                if (i % 3 == 0){ //допускам, че и 10-я ден влиза в това условие, но не съм сигурна
                    spirit += 30;
                }

            }

            if (i % 3 == 0){
                costs += ((treeSkirt + treeGarlands) * quantity);
                spirit += 13;
            }

            if (i % 2 == 0){
                costs += (ornamentSet * quantity);
                spirit += 5;
            }
        }

        System.out.println("Total cost: " + costs);
        System.out.println("Total spirit: " + spirit);

    }
}

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package OLD_MID_EXAMs_18_12_18;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class _02_SantasList {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<String> kids = Arrays.stream(scanner.nextLine()
                .split("&"))
                .collect(Collectors.toList());

        String input = "";
        while (!"Finished!".equals(input = scanner.nextLine())) {

            String[] lineArr = input.split("\\s+");
            String command = lineArr[0].trim(); //за всеки случай, да не остане спейс,защото няма да мачне

            switch (command) {
                case "Bad":
                    if (!kids.contains(lineArr[1])) {
                        kids.add(0, lineArr[1]);
                    }
                    break;
                case "Good":
                    kids.remove(lineArr[1]);
                    break;
                case "Rename":
                    if (kids.contains(lineArr[1])) {

                        kids.set(kids.indexOf(lineArr[1]), lineArr[2]);
                    }
                    break;
                case "Rearrange":
                    if (kids.contains(lineArr[1])) {
                        kids.remove(lineArr[1]);
                        kids.add(lineArr[1]);
                    }
                    break;
            }

        }

        System.out.println(kids.toString().replaceAll("[\\[\\]]", ""));
    }
}

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package OLD_MID_EXAMs_18_12_18;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class _03_PresentDelivery {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<Integer> numbers = Arrays.stream(scanner.nextLine()
                .split("@"))
                .map(Integer::parseInt)
                .collect(Collectors.toList());

        String input = "";
        int currentIndex = 0;

        while (!"Merry Xmas!".equals(input = scanner.nextLine())) {
            String[] command = input.split("\\s+");
            int steps = Integer.parseInt(command[1].trim());

            //bounding the currentIndex (position):
            if (currentIndex + steps >= numbers.size()) {
                currentIndex = (currentIndex + steps) % numbers.size();
            } else {
                currentIndex += steps;
            }

            if (numbers.get(currentIndex) == 0) {
                System.out.printf("House %d will have a Merry Christmas.%n", currentIndex);
            } else {
                numbers.set(currentIndex, numbers.get(currentIndex)-2);
            }

        }

        //print that in any case:
        System.out.printf("Santa's last position was %d.%n", currentIndex);

        //to find now many houses've been successfully delivered:
        int countHouse = 0;
        for (Integer number : numbers) {
            if (number == 0){
                countHouse++;
            }
        }

        if (countHouse == numbers.size()) {
            System.out.println("Mission was successful.");
        } else {
            System.out.printf("Santa has failed %d houses.%n",
                    numbers.size() - countHouse);
        }

    }
}