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day 02 (easier than 01 imo)

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Sugui 2023-12-02 10:15:08 +01:00
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resources/input02.txt Normal file
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Game 1: 13 red, 18 green; 5 green, 3 red, 5 blue; 5 green, 9 red, 6 blue; 3 blue, 3 green
Game 2: 2 green, 3 blue, 5 red; 9 green, 4 red, 2 blue; 4 green, 3 blue; 2 blue, 3 red; 5 red, 3 blue, 9 green; 9 green, 5 red, 2 blue
Game 3: 12 green, 3 red, 3 blue; 2 blue, 5 green, 2 red; 2 red, 3 blue, 11 green; 2 red, 8 green, 7 blue
Game 4: 1 green, 2 blue; 7 green, 13 red; 2 blue, 5 green, 7 red; 6 green, 2 red
Game 5: 6 blue, 4 green; 8 blue, 7 green; 1 red, 10 blue
Game 6: 4 red, 4 blue, 2 green; 8 green, 1 blue, 8 red; 9 green, 1 red, 3 blue
Game 7: 3 red, 12 green, 4 blue; 1 blue, 3 red, 6 green; 4 blue, 3 red, 15 green; 11 green, 2 blue, 2 red
Game 8: 13 blue, 7 green, 8 red; 5 green, 8 blue, 2 red; 5 red, 6 blue, 7 green; 6 green, 6 red, 3 blue; 7 blue, 8 red, 6 green
Game 9: 4 blue, 1 green, 4 red; 16 red, 1 green, 7 blue; 11 red, 3 green, 7 blue
Game 10: 5 green, 1 red; 5 green, 3 blue; 1 red, 7 green, 3 blue; 1 blue, 6 green; 2 green, 4 blue
Game 11: 10 green, 2 blue, 2 red; 14 green, 1 blue, 3 red; 13 green; 3 green, 2 red; 3 red, 1 blue, 2 green; 1 red, 10 green, 2 blue
Game 12: 9 green, 2 blue; 11 green, 1 blue; 2 red, 1 blue; 1 blue, 2 red, 3 green; 1 blue, 2 red, 3 green
Game 13: 11 blue, 3 red, 8 green; 9 red, 7 blue; 7 blue, 4 red
Game 14: 17 blue, 2 red; 1 green, 13 blue, 1 red; 4 blue, 1 red, 4 green; 2 blue, 5 red, 13 green; 3 blue, 4 green, 6 red; 9 green, 14 blue, 6 red
Game 15: 7 green, 2 blue, 3 red; 4 red, 18 green; 8 green, 1 blue; 3 red, 15 green, 2 blue; 1 red, 15 green; 9 green, 3 red, 1 blue
Game 16: 10 red, 19 blue, 5 green; 12 red, 5 blue; 6 red, 3 green, 14 blue; 8 red, 10 blue, 6 green; 7 green, 10 red, 17 blue
Game 17: 3 green, 3 red, 1 blue; 3 blue, 1 green, 2 red; 4 green, 3 red, 2 blue
Game 18: 1 red, 2 blue; 1 green, 4 blue; 1 blue; 5 blue; 1 green, 3 red, 6 blue
Game 19: 3 blue, 5 red, 8 green; 10 red, 6 blue, 11 green; 5 blue, 7 red, 8 green; 9 blue, 6 green, 5 red; 8 red, 12 green, 8 blue; 1 blue, 5 green, 10 red
Game 20: 16 blue, 2 green; 10 green, 1 red, 4 blue; 13 green, 5 red, 9 blue
Game 21: 1 blue, 1 green, 14 red; 2 blue; 5 green, 1 blue; 2 green, 11 red; 2 red, 4 green; 2 green, 16 red
Game 22: 1 green, 10 red, 4 blue; 1 green, 4 blue, 8 red; 2 blue, 8 red; 4 green, 14 red; 1 blue, 5 red, 2 green
Game 23: 17 green, 3 red, 16 blue; 9 green, 15 red; 3 red, 8 blue, 15 green
Game 24: 1 green, 1 blue; 2 blue, 1 green, 2 red; 3 green, 1 blue, 1 red; 3 blue, 1 red; 2 green, 5 blue
Game 25: 11 red, 2 green; 7 red, 6 green; 10 red, 1 blue, 8 green; 8 green, 4 red; 6 green, 10 red; 2 blue, 7 red
Game 26: 2 green, 2 blue, 8 red; 1 blue, 1 red, 6 green; 9 red, 6 green, 2 blue
Game 27: 5 red, 7 blue, 3 green; 3 blue, 1 red; 1 green, 1 red, 9 blue
Game 28: 17 red, 5 green, 10 blue; 3 red, 14 blue, 1 green; 11 blue, 11 green
Game 29: 16 red, 4 green, 4 blue; 3 green, 5 blue, 11 red; 7 blue, 8 red, 1 green; 1 green, 10 red, 4 blue; 2 green, 4 blue, 8 red
Game 30: 3 green, 6 blue; 18 green, 3 blue; 14 green, 11 blue; 7 blue, 2 red, 17 green; 1 red, 12 green, 7 blue
Game 31: 11 red, 2 green, 3 blue; 10 green, 11 blue, 15 red; 12 green, 17 blue, 5 red; 5 green, 2 red, 12 blue; 13 blue, 13 green, 4 red
Game 32: 4 red, 2 blue, 5 green; 7 blue, 15 red; 11 blue, 4 green, 8 red
Game 33: 18 blue, 3 green, 3 red; 3 green, 6 red; 2 blue, 4 red, 1 green; 3 green, 5 red, 3 blue
Game 34: 5 red, 2 blue, 16 green; 9 red, 10 blue, 3 green; 8 red, 10 green, 13 blue
Game 35: 7 blue, 5 red; 3 red, 1 blue; 4 blue, 7 red, 1 green; 4 red, 4 blue, 1 green; 3 blue, 7 red; 4 red, 1 green, 3 blue
Game 36: 14 blue; 10 blue, 1 green; 10 blue, 4 green; 4 blue, 1 green, 1 red; 1 red, 6 blue, 4 green; 1 green, 1 red, 11 blue
Game 37: 8 red, 13 green, 5 blue; 11 red, 16 green, 8 blue; 2 green, 10 blue, 11 red
Game 38: 2 red, 1 blue, 10 green; 7 red, 6 blue, 14 green; 18 red, 1 blue, 5 green; 5 green, 5 blue, 13 red; 14 red, 5 green; 15 green, 13 red, 2 blue
Game 39: 1 blue, 5 red; 9 red, 9 green; 4 blue, 10 green, 4 red; 3 green, 11 red, 1 blue; 2 green, 11 red, 4 blue
Game 40: 9 blue, 4 green; 12 green, 1 red; 2 red, 15 green, 10 blue
Game 41: 1 blue, 14 red, 12 green; 16 green, 2 blue, 3 red; 6 green, 9 red
Game 42: 4 green, 13 red, 9 blue; 9 green, 9 red, 4 blue; 7 blue, 10 red, 9 green; 4 green, 18 blue, 14 red; 9 blue, 7 green, 2 red
Game 43: 7 red, 6 blue; 4 green; 3 red, 6 green; 7 blue, 6 green, 8 red; 9 green, 7 blue, 7 red; 5 blue, 5 green, 6 red
Game 44: 5 red, 8 blue; 2 red, 5 green; 6 green, 11 blue, 2 red; 1 green, 1 blue, 2 red
Game 45: 3 blue, 7 green, 1 red; 5 red, 1 blue; 2 blue, 3 red; 8 green, 5 red
Game 46: 4 red, 4 blue, 17 green; 1 blue, 5 green, 1 red; 1 red, 1 blue, 7 green; 18 green, 7 blue
Game 47: 14 red, 3 green, 2 blue; 4 green, 4 red, 2 blue; 13 red, 1 blue
Game 48: 5 red, 12 blue, 2 green; 3 blue, 1 red, 2 green; 10 blue, 7 red
Game 49: 6 blue, 11 red; 11 red, 17 blue, 11 green; 16 blue, 12 green, 6 red
Game 50: 12 blue, 3 green, 1 red; 3 green, 10 blue, 3 red; 11 blue, 3 red
Game 51: 12 green, 1 blue, 8 red; 6 blue, 1 green, 9 red; 17 red, 5 blue; 7 blue, 9 green, 9 red; 13 green, 10 red, 2 blue
Game 52: 5 blue, 1 green; 1 red, 1 green, 3 blue; 8 blue, 1 green; 1 green, 7 blue; 3 blue; 1 red, 6 blue
Game 53: 11 green, 5 red; 16 green, 6 blue; 4 red, 19 green, 4 blue
Game 54: 6 green, 4 blue, 8 red; 7 red, 6 green, 5 blue; 5 blue, 4 red; 5 blue, 14 red
Game 55: 11 blue, 1 green; 2 red, 5 blue, 1 green; 10 blue, 1 green; 11 blue; 2 green, 2 red, 5 blue
Game 56: 1 red, 9 blue, 1 green; 2 red, 8 blue; 1 green, 9 blue, 10 red; 5 blue, 1 green; 15 blue, 1 red; 12 blue, 4 red
Game 57: 1 green, 17 blue; 10 blue, 2 green; 2 red, 16 blue; 6 green, 15 blue; 5 green; 2 red, 1 green
Game 58: 2 blue, 4 green, 2 red; 5 blue; 5 red, 3 green, 2 blue; 5 red, 2 green, 5 blue; 7 green, 3 red, 4 blue; 4 red
Game 59: 8 blue, 2 red, 2 green; 15 blue, 1 green, 4 red; 9 blue, 1 red; 3 green, 5 red, 5 blue
Game 60: 3 red, 2 blue, 6 green; 1 red, 5 green; 2 blue, 10 green; 6 green, 2 red
Game 61: 6 green, 4 blue; 1 red, 4 blue, 15 green; 1 blue, 16 green, 3 red; 6 red, 12 green, 2 blue; 3 red, 14 green, 1 blue; 3 red, 2 blue, 9 green
Game 62: 1 green, 2 red; 4 red; 1 green, 4 red, 1 blue; 1 red, 1 blue, 1 green
Game 63: 8 green, 4 red, 4 blue; 5 red, 4 blue, 8 green; 3 green, 1 blue
Game 64: 5 blue, 2 green, 5 red; 3 green, 2 blue, 1 red; 6 blue, 2 red, 1 green; 2 green, 2 blue, 3 red; 3 blue, 1 red
Game 65: 2 red, 7 green, 5 blue; 8 blue, 3 green, 4 red; 1 red, 6 green, 1 blue
Game 66: 1 green, 6 red; 5 red, 1 green, 1 blue; 4 red, 1 blue, 1 green; 1 blue, 2 red, 1 green; 1 blue, 5 red; 1 blue, 8 red
Game 67: 6 red, 8 blue, 8 green; 5 green, 2 red, 10 blue; 4 red, 1 green; 7 blue, 2 green
Game 68: 7 green, 9 red, 15 blue; 4 green, 6 red, 3 blue; 1 blue, 5 green, 4 red; 9 green, 14 red, 6 blue; 8 blue, 15 red, 4 green; 7 green, 14 blue, 6 red
Game 69: 4 green; 2 blue; 4 green, 8 blue, 11 red; 3 green, 9 red, 4 blue; 1 red, 2 blue; 2 green, 5 blue, 11 red
Game 70: 6 blue, 16 green, 4 red; 6 green, 13 red, 2 blue; 7 green, 1 red, 2 blue; 8 green, 4 blue, 1 red; 10 red, 11 green
Game 71: 6 blue, 7 red; 10 blue, 2 green, 4 red; 12 red, 10 blue, 1 green
Game 72: 13 red, 13 blue; 6 red, 10 blue, 7 green; 3 blue, 5 green, 4 red; 8 green, 9 blue
Game 73: 1 red, 1 green, 8 blue; 1 green, 8 blue; 2 green, 6 blue; 2 blue; 1 red, 12 blue; 12 blue, 3 green
Game 74: 2 blue, 1 green, 1 red; 3 blue, 1 red, 1 green; 3 blue, 2 red; 3 blue, 1 red; 1 green
Game 75: 10 red, 1 green, 4 blue; 12 red, 11 blue, 9 green; 18 green, 14 red, 5 blue
Game 76: 4 blue, 3 green, 11 red; 4 blue, 1 green, 12 red; 11 blue, 2 green, 4 red; 2 blue, 2 green, 11 red; 12 red, 1 blue; 4 red, 2 green, 15 blue
Game 77: 2 red, 10 blue, 6 green; 6 blue, 2 red, 8 green; 1 red, 9 green, 7 blue
Game 78: 3 green, 10 red; 2 blue, 4 red, 3 green; 8 red, 3 blue, 4 green; 1 blue, 7 red
Game 79: 4 green, 2 red; 2 red, 14 green; 1 blue, 5 green, 8 red; 4 red, 20 green; 3 green, 1 blue, 8 red; 4 green, 1 blue
Game 80: 2 green; 3 green, 13 red, 10 blue; 6 blue, 10 red, 1 green; 10 green, 12 red, 3 blue; 10 blue, 17 red, 5 green; 8 red, 2 blue, 6 green
Game 81: 4 green, 2 blue, 4 red; 16 red, 1 blue, 20 green; 7 blue, 10 red, 9 green; 7 blue, 2 green, 14 red
Game 82: 4 blue, 8 green, 5 red; 14 red, 8 blue, 1 green; 11 red, 13 green
Game 83: 2 blue, 2 green, 10 red; 10 green, 4 red, 3 blue; 11 green, 14 red, 4 blue; 2 blue, 11 red; 3 blue, 1 green, 4 red
Game 84: 12 blue, 9 green, 10 red; 1 red, 6 green, 4 blue; 7 red, 3 green, 16 blue; 3 green, 3 blue
Game 85: 2 red, 4 blue; 4 blue, 1 green, 6 red; 9 blue, 1 red; 1 green, 4 blue, 10 red; 5 green, 7 red, 17 blue
Game 86: 2 red, 3 blue, 1 green; 2 blue, 2 red, 2 green; 10 blue, 2 green; 5 green, 4 red, 6 blue
Game 87: 1 red, 7 blue, 9 green; 3 green, 2 blue; 1 red, 4 blue, 10 green; 10 green, 7 blue, 1 red; 6 blue, 9 green; 9 blue, 7 green, 1 red
Game 88: 1 blue, 14 red, 9 green; 4 green, 9 red; 8 green, 1 blue, 10 red
Game 89: 13 red, 1 green; 2 blue, 10 red; 1 green, 3 blue, 13 red; 1 green, 14 red, 3 blue; 2 green, 6 red; 1 green, 12 red
Game 90: 1 red, 2 blue, 9 green; 1 blue, 3 red, 2 green; 10 green, 9 red; 1 red, 9 green, 4 blue; 3 blue, 13 green, 13 red
Game 91: 2 red, 8 green, 8 blue; 3 green, 2 red, 6 blue; 5 green, 4 red
Game 92: 8 green, 12 blue, 4 red; 7 red, 4 green; 4 blue, 7 green, 7 red; 7 blue, 5 green
Game 93: 1 green, 1 red, 2 blue; 3 green, 1 red, 3 blue; 1 red, 8 blue; 1 green, 13 blue; 1 red, 4 blue, 4 green
Game 94: 2 blue, 7 red, 17 green; 2 green, 1 blue, 5 red; 3 blue, 7 green, 1 red; 6 red, 1 blue, 1 green; 1 green, 1 blue, 1 red
Game 95: 4 blue, 3 green, 4 red; 17 red, 2 blue; 6 blue, 16 green, 15 red; 7 blue, 17 green; 1 red, 3 green, 3 blue; 7 red, 14 green, 4 blue
Game 96: 6 red, 3 blue; 7 green, 5 blue, 10 red; 9 green, 1 blue; 6 blue, 1 red, 12 green; 3 blue, 10 green
Game 97: 3 green, 1 red, 13 blue; 1 red, 8 green, 2 blue; 1 green, 2 blue, 2 red; 1 red, 4 green, 9 blue
Game 98: 1 green, 8 red, 7 blue; 8 blue, 8 red, 3 green; 1 blue, 2 red; 4 red, 7 blue; 3 green, 3 blue, 3 red
Game 99: 9 blue, 14 red; 3 blue, 10 red, 5 green; 3 blue, 3 green, 6 red
Game 100: 12 blue, 2 green; 2 green, 4 red, 13 blue; 9 blue, 1 red, 2 green; 2 green, 3 red, 1 blue

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src/main/java/sugui/Day02.java Normal file
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package sugui;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class Day02 {
public static Path inputPath = Paths.get("resources/input02.txt");
public static int MAX_RED_CONTENTS = 12;
public static int MAX_GREEN_CONTENTS = 13;
public static int MAX_BLUE_CONTENTS = 14;
private record Bunch(int red, int green, int blue) {
}
private record Game(int id, List<Bunch> bunches) {
}
public static void main(String[] args) throws IOException {
var input = Files.readString(inputPath);
var firstResult = getFirstPuzzleResult(input);
var secondResult = getSecondPuzzleResult(input);
System.out.println("First result: " + firstResult);
System.out.println("Second result: " + secondResult);
}
public static List<Game> parse(String input) {
var bufferedReader = new BufferedReader(new StringReader(input));
List<Game> games = bufferedReader.lines().map(line -> {
String[] splittedGame = line.split(": ");
String[] splittedBunches = splittedGame[1].split("; ");
int gameId = Integer.parseInt(splittedGame[0].split(" ")[1]);
List<Bunch> bunches = new ArrayList<>();
for (String bunch : splittedBunches) {
int redCubes = 0;
int greenCubes = 0;
int blueCubes = 0;
String[] splittedCubes = bunch.split(", ");
for (String cube : splittedCubes) {
String[] splittedCube = cube.split(" ");
int count = Integer.parseInt(splittedCube[0]);
switch (splittedCube[1]) {
case "red":
redCubes = count;
break;
case "green":
greenCubes = count;
break;
case "blue":
blueCubes = count;
break;
default:
break;
}
}
bunches.add(new Bunch(redCubes, greenCubes, blueCubes));
}
return new Game(gameId, bunches);
}).collect(Collectors.toList());
return games;
}
public static String getFirstPuzzleResult(String input) {
List<Game> games = parse(input);
int result = games.stream()
.filter(game -> {
return game.bunches.stream().allMatch(bunch -> bunch.red <= MAX_RED_CONTENTS
&& bunch.green <= MAX_GREEN_CONTENTS && bunch.blue <= MAX_BLUE_CONTENTS);
})
.map(game -> game.id)
.reduce(0, (a, b) -> a + b);
return Integer.toString(result);
}
public static String getSecondPuzzleResult(String input) {
List<Game> games = parse(input);
int result = games.stream()
.map(game -> game.bunches.stream().reduce(new Bunch(0, 0, 0),
(currBunch, newBunch) -> new Bunch(Math.max(currBunch.red, newBunch.red),
Math.max(currBunch.green, newBunch.green), Math.max(currBunch.blue, newBunch.blue))))
.map(bunch -> bunch.red * bunch.green * bunch.blue)
.reduce(0, (a, b) -> a + b);
return Integer.toString(result);
}
}

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src/test/java/sugui/Day02Test.java Normal file
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package sugui;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.junit.Test;
/**
* Unit test for simple App.
*/
public class Day02Test {
public static String firstBasicInput = """
Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
""";
public static String secondBasicInput = firstBasicInput;
public static String firstBasicResult = "8";
public static String secondBasicResult = "2286";
@Test
public void firstBasicCase() throws IOException {
String actualResult = Day02.getFirstPuzzleResult(firstBasicInput);
assertEquals(firstBasicResult, actualResult);
}
@Test
public void secondBasicCase() throws IOException {
String actualResult = Day02.getSecondPuzzleResult(secondBasicInput);
assertEquals(secondBasicResult, actualResult);
}
}