From 46550e1e79ada56e8c80c289f1103b9d85455593 Mon Sep 17 00:00:00 2001 From: Nat Lasseter Date: Thu, 7 Dec 2023 14:42:19 +0000 Subject: Day 07 part 1 --- day07/day07.java | 163 +++++++++ day07/input | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ day07/test | 5 + 3 files changed, 1168 insertions(+) create mode 100644 day07/day07.java create mode 100644 day07/input create mode 100644 day07/test diff --git a/day07/day07.java b/day07/day07.java new file mode 100644 index 0000000..3f4ae88 --- /dev/null +++ b/day07/day07.java @@ -0,0 +1,163 @@ +import java.io.IOException; +import java.io.RandomAccessFile; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; + +public class day07 { + public static void main(String args[]) throws IOException { + RandomAccessFile input = new RandomAccessFile("input", "r"); + System.out.println("Day 07 Part 1: " + part1(input)); + input.seek(0); + System.out.println("Day 07 Part 2: " + part2(input)); + input.close(); + } + + public static String part1(RandomAccessFile input) throws IOException { + Game game = new Game(); + + String line; + while((line = input.readLine()) != null) { + game.parseHand(line); + } + + game.rank(); + + long winnings = 0; + for (int i = 0; i < game.hands.size(); i++) { + winnings += ((i+1) * game.hands.get(i).bid); + } + + return Long.toString(winnings); + } + + public static String part2(RandomAccessFile input) throws IOException { + return "WIP"; + } +} + +class Game { + ArrayList hands; + + public Game() { + this.hands = new ArrayList<>(); + } + + public void parseHand(String line) { + String[] linea = line.split(" +"); + this.hands.add( + new Hand( + linea[0].toCharArray(), + Long.parseLong(linea[1]) + ) + ); + } + + public void rank() { + Collections.sort(hands); + } +} + +class Hand implements Comparable { + int[] cards; + long bid; + + public Hand(char[] cards, long bid) { + this.cards = new int[5]; + for(int i = 0; i < 5; i++) { + switch (cards[i]) { + case '2': + this.cards[i] = 2; + break; + case '3': + this.cards[i] = 3; + break; + case '4': + this.cards[i] = 4; + break; + case '5': + this.cards[i] = 5; + break; + case '6': + this.cards[i] = 6; + break; + case '7': + this.cards[i] = 7; + break; + case '8': + this.cards[i] = 8; + break; + case '9': + this.cards[i] = 9; + break; + case 'T': + this.cards[i] = 10; + break; + case 'J': + this.cards[i] = 11; + break; + case 'Q': + this.cards[i] = 12; + break; + case 'K': + this.cards[i] = 13; + break; + case 'A': + this.cards[i] = 14; + break; + } + } + this.bid = bid; + } + + public int compareTo(Hand other) { + if (this.type() > other.type()) { + return 1; + } else if (this.type() < other.type()) { + return -1; + } + for (int i = 0; i < 5; i++) { + if (this.cards[i] > other.cards[i]) { + return 1; + } else if (this.cards[i] < other.cards[i]) { + return -1; + } + } + return 0; + } + + private int type() { + int[] s = this.cards.clone(); + Arrays.sort(s); + + if ( + s[0] == s[1] && s[1] == s[2] && s[2] == s[3] && s[3] == s[4] ) { + return 6; + } else if ( + s[0] == s[1] && s[1] == s[2] && s[2] == s[3] || + s[1] == s[2] && s[2] == s[3] && s[3] == s[4] ) { + return 5; + } else if ( + s[0] == s[1] && s[2] == s[3] && s[3] == s[4] || + s[0] == s[1] && s[1] == s[2] && s[3] == s[4] ) { + return 4; + } else if ( + s[0] == s[1] && s[1] == s[2] || + s[1] == s[2] && s[2] == s[3] || + s[2] == s[3] && s[3] == s[4] ) { + return 3; + } else if ( + s[0] == s[1] && s[2] == s[3] || + s[0] == s[1] && s[3] == s[4] || + s[1] == s[2] && s[3] == s[4] ) { + return 2; + } else if ( + s[0] == s[1] || + s[1] == s[2] || + s[2] == s[3] || + s[3] == s[4] ){ + return 1; + } + return 0; + } +} diff --git a/day07/input b/day07/input new file mode 100644 index 0000000..3883d56 --- /dev/null +++ b/day07/input @@ -0,0 +1,1000 @@ +A833A 309 +Q33J3 205 +55KK5 590 +K4457 924 +Q3QT3 11 +QJK32 349 +96659 162 +955A9 851 +33888 311 +57JJ7 721 +67A7A 978 +T44T4 557 +46446 802 +72757 471 +23J5J 148 +44944 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