Day 2 finished

2023/d2/Makefile

@@ -0,0 +1,4 @@
+.PHONY: run
+
+run: d2_2.php
+	php $<

2023/d2/d2.php

@@ -0,0 +1,35 @@
+<?php
+
+// Over-complicated because I thought they wouldn't put the cube back in the bag at first.
+
+$FILE_NAME = "input.txt";
+$sum = 0;
+
+$fd = fopen($FILE_NAME, "r");
+while($line = fgets($fd)){
+	$data = array();
+	preg_match("/Game (\d+): (.*)/", $line, $data);
+
+	$game_id = $data[1];
+	$hand = explode(";", $data[2]);
+
+	$valid = true;
+	foreach ($hand as $h) {
+		$bag = array(
+			"red" => 12,
+			"green" => 13,
+			"blue" => 14,
+		);
+		$colors = array();
+		preg_match_all("/(\d+) (red|green|blue)/", $h, $colors);
+		foreach (array_combine($colors[2], $colors[1]) as $key => $value) {
+			$bag[$key] = $bag[$key] - $value;
+			if($bag[$key] < 0){$valid = false;}
+		}
+	}
+	if($valid){$sum = $sum + $game_id; echo $game_id . "\n";}
+
+}
+fclose($fd);
+
+echo $sum;

2023/d2/d2_2.php

@@ -0,0 +1,30 @@
+<?php
+
+$FILE_NAME = "input.txt";
+$sum = 0;
+
+$fd = fopen($FILE_NAME, "r");
+while($line = fgets($fd)){
+	$data = array();
+	preg_match("/Game (\d+): (.*)/", $line, $data);
+
+	$game_id = $data[1];
+	$hand = explode(";", $data[2]);
+
+	$bag = array(
+		"red" => 0,
+		"green" => 0,
+		"blue" => 0,
+	);
+	foreach ($hand as $h) {
+		$colors = array();
+		preg_match_all("/(\d+) (red|green|blue)/", $h, $colors);
+		foreach (array_combine($colors[2], $colors[1]) as $key => $value) {
+			$bag[$key] = max($bag[$key], $value);
+		}
+	}
+	print_r($bag);
+	$sum += $bag['red'] * $bag['green'] * $bag['blue'];
+}
+fclose($fd);
+echo $sum;

2023/d2/input.txt

@@ -0,0 +1,100 @@
+Game 1: 2 red, 2 green; 6 red, 3 green; 2 red, 1 green, 2 blue; 1 red
+Game 2: 2 green; 15 red, 5 blue; 2 green, 4 blue, 5 red; 3 green, 6 blue, 6 red; 6 blue, 1 green
+Game 3: 10 blue, 8 red, 5 green; 5 green, 3 red; 12 red, 2 green, 9 blue; 6 green, 11 red
+Game 4: 2 green, 3 blue, 1 red; 17 green, 1 blue, 1 red; 1 green, 5 red
+Game 5: 4 green, 13 red, 3 blue; 14 blue, 5 green, 5 red; 2 blue, 7 green, 3 red; 5 green, 11 blue, 10 red
+Game 6: 1 green, 4 red; 1 blue, 19 red, 5 green; 15 red, 1 green, 1 blue; 8 green, 12 red; 19 green, 7 red; 2 blue, 14 red, 12 green
+Game 7: 1 blue, 3 red, 3 green; 4 green; 1 blue, 6 red, 5 green
+Game 8: 1 green; 1 green, 16 red, 1 blue; 3 red, 1 green, 1 blue; 1 green; 2 blue; 9 red
+Game 9: 5 green, 1 red; 6 red, 4 blue, 1 green; 9 green, 7 red, 6 blue; 11 red, 12 green, 4 blue
+Game 10: 12 green, 4 blue, 7 red; 6 blue, 2 red; 7 green, 6 blue, 6 red
+Game 11: 18 green, 2 red; 19 green, 14 red, 9 blue; 8 blue, 12 red, 5 green; 4 green, 12 red; 14 red, 7 green, 10 blue
+Game 12: 8 red, 4 blue; 4 green, 1 red, 2 blue; 1 blue, 11 green, 12 red
+Game 13: 5 green, 4 blue, 4 red; 4 red, 5 blue, 2 green; 1 red, 5 blue, 10 green
+Game 14: 14 red, 1 green; 2 green, 3 blue, 7 red; 2 red, 4 blue; 3 green, 8 red, 4 blue; 2 green, 14 red, 4 blue; 3 green, 9 red, 6 blue
+Game 15: 17 blue, 5 red, 1 green; 1 green, 2 red; 3 red, 2 green; 11 blue, 4 red, 2 green
+Game 16: 5 red, 5 green, 1 blue; 5 blue, 15 red, 13 green; 3 blue, 6 red, 12 green; 1 green, 13 red, 9 blue; 15 blue, 13 green, 6 red; 5 green, 7 red, 3 blue
+Game 17: 17 red, 9 blue; 19 red, 9 blue, 2 green; 18 red, 1 green, 8 blue; 10 blue, 2 red, 1 green; 7 red, 5 blue, 1 green; 2 green, 2 red, 5 blue
+Game 18: 1 blue, 9 green, 1 red; 8 green, 5 blue; 4 blue, 9 green; 1 red, 6 green; 3 green, 3 blue, 1 red; 1 red, 1 blue, 4 green
+Game 19: 3 blue, 3 red; 1 blue, 2 red, 4 green; 4 green, 2 red; 7 blue, 1 red
+Game 20: 1 blue, 2 red, 6 green; 4 red, 10 green, 5 blue; 7 green, 1 blue; 3 green, 10 red, 1 blue; 3 blue, 11 red, 2 green; 10 green, 1 blue, 11 red
+Game 21: 1 green, 17 blue, 8 red; 13 green, 8 blue, 7 red; 7 blue, 10 green, 2 red
+Game 22: 4 green, 13 blue; 13 blue, 10 green; 8 green, 12 blue, 3 red; 6 green, 3 blue, 3 red
+Game 23: 11 green, 7 red; 11 blue, 11 red; 12 green, 3 red; 7 red, 7 green, 15 blue; 10 green, 5 blue
+Game 24: 1 blue, 15 green, 6 red; 2 red, 1 blue, 5 green; 13 green, 1 blue, 7 red; 1 blue; 19 green, 1 blue, 12 red; 13 green, 1 blue, 2 red
+Game 25: 15 green, 1 blue, 2 red; 9 green, 5 blue; 16 green, 4 red; 3 blue, 2 red, 7 green
+Game 26: 5 blue, 1 red; 9 blue, 1 green, 1 red; 1 red, 1 green, 4 blue
+Game 27: 3 red, 4 blue, 2 green; 2 red, 3 blue; 1 blue, 1 red, 5 green
+Game 28: 1 red, 3 green, 6 blue; 5 red, 2 blue, 3 green; 6 green, 4 red
+Game 29: 8 green, 6 red, 18 blue; 18 blue, 2 green, 8 red; 2 red, 14 blue, 2 green; 2 red, 4 green, 19 blue; 11 green, 9 red, 8 blue
+Game 30: 9 red, 11 blue, 6 green; 4 red, 6 green, 1 blue; 13 blue, 1 red, 1 green; 7 red, 1 green, 1 blue
+Game 31: 11 red, 3 green; 3 green, 2 red; 6 red, 4 green; 4 blue, 9 red; 4 green, 2 red, 3 blue; 2 red, 1 blue, 6 green
+Game 32: 4 red, 16 blue, 12 green; 10 blue, 7 green, 3 red; 7 blue, 4 green; 1 green, 8 blue, 3 red
+Game 33: 6 green, 2 blue, 2 red; 1 red, 3 green, 7 blue; 9 blue, 1 green; 10 blue, 1 green, 1 red; 8 blue, 4 red, 6 green; 1 green, 2 red, 7 blue
+Game 34: 4 blue, 6 red; 7 red, 5 green, 3 blue; 2 blue, 1 red; 5 blue, 2 green
+Game 35: 8 green, 1 blue; 12 blue; 6 green, 13 blue; 9 blue, 4 green; 5 green, 1 red, 7 blue; 5 blue, 1 red, 6 green
+Game 36: 10 red, 4 blue, 6 green; 15 blue, 1 green, 2 red; 16 red, 14 blue, 2 green
+Game 37: 3 green, 1 red, 2 blue; 5 blue, 2 green, 4 red; 2 red, 3 green; 4 blue, 4 red, 1 green; 3 red, 4 blue, 3 green
+Game 38: 9 red, 1 green, 16 blue; 1 green, 4 blue, 1 red; 10 blue, 1 red, 1 green; 3 red, 17 blue; 7 blue, 5 red
+Game 39: 9 red, 16 blue, 3 green; 8 green, 3 red, 3 blue; 8 blue, 13 red, 1 green; 3 red, 17 blue, 3 green; 11 blue, 9 red, 3 green
+Game 40: 4 blue, 2 green, 8 red; 3 blue; 7 blue
+Game 41: 3 blue, 10 green, 7 red; 1 blue; 8 green, 4 blue, 1 red; 8 green, 7 red, 4 blue
+Game 42: 6 green, 5 blue, 1 red; 5 blue, 2 red, 6 green; 1 green, 3 red, 3 blue; 1 red, 1 blue, 8 green; 2 red, 10 green; 4 red, 6 green
+Game 43: 12 blue, 9 green, 9 red; 8 blue, 6 red, 2 green; 1 green, 8 blue, 12 red; 15 blue, 5 green, 13 red; 15 blue, 7 green, 8 red; 16 blue, 11 red, 8 green
+Game 44: 4 green, 16 blue, 1 red; 5 green, 1 blue; 1 blue, 1 green; 11 blue, 1 red, 3 green; 10 blue, 1 red; 15 blue, 1 red, 3 green
+Game 45: 12 blue, 6 green, 9 red; 5 red, 6 blue, 2 green; 4 blue, 5 green, 5 red; 2 green, 6 blue, 8 red; 9 red, 7 green, 7 blue
+Game 46: 7 blue, 1 red; 1 green, 2 blue, 2 red; 3 red
+Game 47: 10 blue, 11 green, 1 red; 10 green; 4 red, 6 blue, 16 green; 20 green, 2 blue; 1 green, 3 red, 6 blue; 4 red, 5 blue, 13 green
+Game 48: 1 red, 4 blue, 3 green; 20 blue, 1 red, 8 green; 1 red, 12 green, 12 blue
+Game 49: 5 green, 8 red, 2 blue; 2 blue, 2 red, 1 green; 3 red, 3 blue; 3 blue, 12 green
+Game 50: 7 green, 8 red; 2 blue, 6 green; 1 green, 1 blue, 7 red
+Game 51: 19 red, 13 blue, 4 green; 9 green, 10 red, 2 blue; 2 green, 20 red; 20 red, 2 green; 6 green, 10 blue, 5 red
+Game 52: 1 red, 13 green; 11 green; 15 green; 1 red, 9 green, 1 blue
+Game 53: 7 blue, 3 green; 1 red, 6 blue, 6 green; 7 blue, 1 red, 6 green
+Game 54: 12 red, 1 green; 14 red, 10 green; 1 green, 7 red, 4 blue
+Game 55: 1 blue, 5 green, 3 red; 3 green, 4 red; 6 red, 1 blue, 4 green
+Game 56: 5 red, 1 blue, 2 green; 6 green; 4 red, 6 green; 6 green, 2 blue, 2 red; 4 red, 2 green, 2 blue; 4 red, 2 blue
+Game 57: 6 green, 3 blue; 8 blue, 6 green, 5 red; 5 red, 2 green, 12 blue; 5 red, 7 green, 5 blue
+Game 58: 2 blue, 1 red, 4 green; 1 red, 14 green; 2 green, 2 blue, 1 red
+Game 59: 10 red, 11 blue, 6 green; 2 blue, 8 green; 1 green, 5 blue, 15 red; 3 red, 7 blue, 9 green; 9 green, 9 blue, 14 red; 8 green, 13 blue, 15 red
+Game 60: 1 blue, 11 red, 7 green; 7 red, 3 blue; 16 red, 3 blue, 2 green; 2 red, 9 green, 2 blue; 2 blue, 8 red, 9 green; 15 red, 1 blue, 9 green
+Game 61: 8 green, 15 blue; 16 blue, 1 green; 1 green, 11 blue; 1 green, 9 blue, 1 red; 8 green, 9 blue; 8 blue, 15 green
+Game 62: 5 green, 4 blue; 1 blue, 2 green; 1 red, 16 green, 2 blue; 1 blue, 16 green, 1 red; 13 green, 2 blue
+Game 63: 1 red, 1 blue; 1 green, 1 red; 1 green; 1 green, 2 red; 1 blue; 2 red
+Game 64: 5 red, 1 blue, 5 green; 10 red, 4 green, 2 blue; 8 red, 1 blue
+Game 65: 1 red, 8 green, 10 blue; 11 blue, 5 green, 1 red; 2 red, 5 blue, 1 green; 8 green, 7 blue
+Game 66: 5 red, 1 green; 1 blue, 7 red; 4 red, 15 green, 1 blue; 8 red, 4 green; 1 blue, 15 green, 3 red
+Game 67: 15 green, 7 blue, 1 red; 8 green, 7 blue; 5 blue, 1 red, 4 green; 2 green, 9 blue; 1 red, 6 blue
+Game 68: 14 green, 17 red; 1 red, 2 blue, 17 green; 10 green; 3 red, 7 green, 2 blue
+Game 69: 8 green, 12 red, 11 blue; 8 red, 2 blue, 10 green; 2 green, 6 blue, 2 red; 10 red, 12 green, 3 blue
+Game 70: 2 blue, 8 green; 9 green; 2 red; 2 red, 5 green; 3 green, 2 blue, 3 red; 4 red, 1 blue
+Game 71: 3 green, 4 blue; 13 red, 13 blue; 4 green, 3 red, 1 blue; 1 green, 7 blue, 3 red; 3 green, 9 blue, 13 red; 10 red, 12 blue, 5 green
+Game 72: 4 green, 17 red, 4 blue; 4 green, 2 blue; 1 red, 10 blue, 1 green; 3 green; 2 blue, 15 red, 3 green; 6 red, 10 blue
+Game 73: 14 green, 9 red, 6 blue; 10 red, 4 green, 7 blue; 9 green, 5 red, 6 blue; 6 red, 2 blue; 5 blue, 7 red, 14 green; 4 green, 6 blue, 5 red
+Game 74: 19 blue, 7 green, 1 red; 12 blue, 11 green, 1 red; 2 red, 5 blue, 14 green; 5 green, 5 blue, 7 red
+Game 75: 12 green, 5 blue, 12 red; 17 green, 10 red, 7 blue; 1 blue, 8 red, 1 green; 11 red, 10 green, 4 blue; 1 blue, 10 green; 1 green, 5 blue, 7 red
+Game 76: 9 green, 2 red, 3 blue; 6 red, 13 green, 5 blue; 14 green, 9 red, 2 blue; 1 blue, 6 red, 2 green; 8 red, 10 green, 1 blue; 2 red, 15 green, 7 blue
+Game 77: 5 blue, 2 green, 1 red; 4 blue, 14 red; 3 blue, 1 green, 8 red; 13 red, 8 blue; 17 blue, 2 green, 9 red; 11 blue, 1 green
+Game 78: 5 blue, 4 green, 4 red; 1 red, 9 green, 4 blue; 8 green
+Game 79: 5 blue, 6 red; 2 blue, 1 green, 9 red; 3 green; 8 red, 1 green, 5 blue; 2 green, 5 red
+Game 80: 1 green, 2 blue, 8 red; 9 green, 12 red; 17 green, 8 red, 11 blue
+Game 81: 8 red, 11 green, 13 blue; 9 red, 14 blue, 14 green; 14 blue, 11 green, 1 red; 5 red, 13 green, 3 blue; 4 green, 9 red, 2 blue; 11 red, 5 blue, 2 green
+Game 82: 13 green, 2 red, 1 blue; 10 green, 2 blue; 2 blue, 11 green; 4 red, 1 green, 3 blue; 14 green, 1 blue, 2 red
+Game 83: 6 blue, 2 red; 3 blue, 11 red, 1 green; 12 red, 1 green, 1 blue; 2 red; 10 red, 6 blue
+Game 84: 1 green, 13 blue, 2 red; 4 red, 17 blue, 18 green; 17 green, 13 blue, 4 red; 4 blue, 15 green, 3 red; 3 red; 15 blue, 1 red, 12 green
+Game 85: 11 green, 7 red; 7 green, 4 blue, 6 red; 8 red, 7 blue, 2 green; 11 green, 10 red, 3 blue
+Game 86: 10 green, 5 blue; 4 blue, 7 red, 16 green; 8 red, 1 blue, 12 green
+Game 87: 7 red, 3 green; 1 blue, 5 red, 14 green; 13 red, 4 green; 19 green, 9 red; 12 green, 1 red
+Game 88: 5 red, 16 blue; 2 green, 14 blue, 1 red; 14 blue, 1 green
+Game 89: 1 green, 2 blue, 1 red; 10 blue; 4 blue; 2 green, 14 blue; 14 blue, 1 red, 2 green
+Game 90: 1 blue, 13 green, 1 red; 4 blue, 1 red, 17 green; 9 green, 7 blue, 5 red; 1 blue, 3 red, 15 green; 3 red, 4 blue, 15 green
+Game 91: 1 green; 9 green, 2 red, 2 blue; 3 blue, 12 green, 1 red; 2 red, 1 blue, 6 green
+Game 92: 1 green, 4 blue, 10 red; 12 blue, 9 red, 3 green; 10 blue, 8 red, 2 green
+Game 93: 7 blue, 5 red; 2 green, 1 blue, 6 red; 1 blue, 6 red
+Game 94: 8 red, 3 green, 8 blue; 3 red, 1 green, 4 blue; 4 green, 17 blue, 2 red; 2 green, 9 red, 7 blue; 13 red, 4 green, 18 blue
+Game 95: 9 blue, 11 green; 14 green, 10 blue, 11 red; 13 blue, 10 green, 1 red; 6 red, 4 green, 1 blue; 9 blue, 13 green
+Game 96: 3 red, 3 green; 16 green, 2 blue; 7 blue, 3 red, 16 green; 10 green, 1 red
+Game 97: 4 red, 6 blue; 2 red; 13 red, 6 blue, 3 green; 1 green, 12 red; 3 green, 2 blue, 16 red
+Game 98: 1 red, 6 green, 7 blue; 14 red, 3 green, 2 blue; 16 blue, 14 red, 11 green; 5 blue; 9 red, 1 green, 15 blue
+Game 99: 3 blue, 8 green, 1 red; 4 green, 1 blue, 2 red; 1 red, 4 green; 2 blue, 4 green
+Game 100: 8 red, 2 blue, 1 green; 2 blue, 4 red, 2 green; 9 red, 1 green; 2 green, 2 red; 3 red, 5 blue; 5 blue, 8 red

2023/d2/test.txt

@@ -0,0 +1,5 @@
+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