Added day 2 solution.

2023-12-02 09:14:15 -05:00 · 2023-12-02 09:14:15 -05:00 · f2c2c6283a
parent 6fa33b4e3e
commit f2c2c6283a
3 changed files with 171 additions and 0 deletions
--- a/day_2/input.txt
+++ b/day_2/input.txt
@ -0,0 +1,100 @@
+Game 1: 18 red, 8 green, 7 blue; 15 red, 4 blue, 1 green; 2 green, 17 red, 6 blue; 5 green, 1 blue, 11 red; 18 red, 1 green, 14 blue; 8 blue
+Game 2: 16 blue, 12 green, 3 red; 13 blue, 2 red, 8 green; 15 green, 3 red, 16 blue
+Game 3: 6 green, 15 red; 1 green, 4 red, 7 blue; 9 blue, 7 red, 8 green
+Game 4: 8 red, 2 blue; 11 red, 5 blue, 1 green; 12 red, 1 green, 5 blue; 1 blue; 2 blue, 9 red
+Game 5: 9 blue, 3 red, 12 green; 3 green, 4 red, 17 blue; 15 blue, 2 green, 5 red; 3 blue, 5 green, 6 red; 6 red, 4 blue, 7 green; 3 green, 10 blue
+Game 6: 11 red, 2 blue, 6 green; 2 blue, 9 red, 4 green; 3 blue, 12 red, 8 green; 5 red, 11 green, 4 blue; 2 blue, 9 red, 13 green; 15 red, 3 blue, 7 green
+Game 7: 2 red, 9 green, 12 blue; 14 blue, 1 green, 6 red; 7 blue, 9 green; 9 green, 8 red, 4 blue; 5 red, 3 green, 16 blue; 4 red, 8 green
+Game 8: 11 red, 12 green, 1 blue; 4 red, 7 green; 11 red, 6 green; 17 green; 15 green, 1 red
+Game 9: 1 red, 1 green, 12 blue; 3 green, 12 red, 6 blue; 14 red, 1 blue; 9 blue, 1 red, 3 green
+Game 10: 1 red, 4 blue; 3 blue, 4 green; 3 green, 3 red, 8 blue; 2 blue, 3 red; 3 green, 4 red, 3 blue
+Game 11: 8 blue, 1 red; 8 green, 1 red, 1 blue; 13 green, 9 red, 6 blue
+Game 12: 2 red, 2 blue, 1 green; 3 red, 1 green; 1 blue, 3 green
+Game 13: 12 green, 4 blue; 2 red, 2 blue, 8 green; 6 green, 3 red; 3 red, 5 green; 9 green, 7 blue, 1 red
+Game 14: 1 red, 7 green; 5 green, 12 red, 10 blue; 9 red, 11 blue, 7 green; 7 blue, 3 red, 9 green
+Game 15: 7 green, 1 blue; 1 red, 2 green, 1 blue; 7 green
+Game 16: 1 green, 1 blue; 2 blue, 4 green, 2 red; 2 green, 2 blue
+Game 17: 6 red, 11 green, 7 blue; 1 blue, 13 green, 4 red; 4 green, 6 blue, 7 red
+Game 18: 2 red, 8 blue; 7 red, 11 blue; 1 green, 16 blue, 7 red; 18 blue, 1 green, 14 red
+Game 19: 2 red, 2 blue; 1 green, 6 red; 1 green, 3 red, 2 blue
+Game 20: 6 red, 2 blue, 5 green; 4 red, 1 blue, 9 green; 3 blue, 2 red, 9 green; 8 red, 12 green, 5 blue
+Game 21: 6 red, 7 blue; 3 blue, 16 red, 2 green; 2 blue, 13 red; 3 blue, 11 red, 3 green; 1 green, 18 red, 6 blue; 12 red, 5 blue, 2 green
+Game 22: 9 red, 6 blue, 14 green; 1 blue, 5 green, 13 red; 6 red; 18 red, 4 green; 2 blue, 10 green, 16 red; 1 red, 18 green, 1 blue
+Game 23: 6 green, 4 red, 3 blue; 1 blue, 2 red, 9 green; 5 green, 1 red, 3 blue; 5 blue, 4 red, 4 green
+Game 24: 1 red, 5 green, 2 blue; 4 red, 7 green, 9 blue; 9 blue, 7 green; 7 green, 13 blue; 4 blue, 1 green, 4 red
+Game 25: 13 blue, 10 red, 11 green; 10 green, 1 blue, 3 red; 15 red, 5 green, 8 blue; 19 red, 10 green, 13 blue; 12 blue, 4 green, 16 red; 7 red, 5 green, 9 blue
+Game 26: 20 red, 6 blue, 12 green; 15 blue, 17 red, 9 green; 19 red, 6 green, 3 blue; 8 green, 1 red, 15 blue; 10 green, 8 red, 5 blue; 4 green, 20 red, 18 blue
+Game 27: 2 blue, 3 green, 7 red; 2 blue, 4 red; 5 blue, 5 green; 8 blue, 6 green, 2 red
+Game 28: 1 green, 6 red; 3 red, 3 blue; 1 green, 4 red; 1 red, 2 blue; 2 red
+Game 29: 8 blue, 1 green; 7 blue, 1 red; 6 red, 2 blue; 2 red, 3 green; 3 red, 6 green, 5 blue
+Game 30: 11 blue, 17 green, 10 red; 9 blue, 12 green, 14 red; 16 green, 2 red, 8 blue; 18 green, 1 red, 1 blue; 5 blue, 7 red, 18 green; 9 green, 3 blue, 11 red
+Game 31: 5 blue, 13 green; 2 green, 3 red, 4 blue; 3 red, 15 green, 2 blue; 5 blue, 19 green; 5 blue, 18 green; 3 green, 7 blue, 3 red
+Game 32: 12 red, 2 green, 3 blue; 2 green, 16 red, 1 blue; 13 red, 4 green, 6 blue
+Game 33: 18 green, 8 blue, 3 red; 15 green, 2 blue, 4 red; 14 blue, 3 red, 6 green; 20 green, 13 blue; 1 red, 19 green
+Game 34: 1 green, 7 blue, 2 red; 8 green, 10 blue, 2 red; 3 blue, 1 green, 1 red; 6 green, 13 blue, 1 red; 1 green, 4 blue, 2 red; 1 red, 5 green, 7 blue
+Game 35: 7 blue, 8 red; 2 blue, 3 red; 4 blue, 3 red; 7 red, 4 blue; 1 blue, 1 green, 3 red
+Game 36: 1 red, 8 green; 1 red, 6 green; 3 green, 8 red; 1 blue, 2 red, 1 green
+Game 37: 3 blue, 13 red; 2 blue, 7 red; 5 red, 1 green; 3 red, 3 blue; 1 blue, 12 red, 1 green; 14 red, 3 blue
+Game 38: 7 blue, 18 red, 12 green; 11 red, 6 green, 1 blue; 9 green, 1 red; 9 green, 13 blue, 16 red
+Game 39: 12 red, 3 green, 2 blue; 3 blue, 3 green, 10 red; 2 blue, 5 red; 2 blue, 1 green; 5 blue, 4 green, 7 red; 2 green, 1 red
+Game 40: 1 red, 7 blue, 5 green; 1 red, 4 blue, 8 green; 3 red, 5 blue, 14 green; 10 green, 2 blue, 1 red; 11 blue, 7 green, 1 red; 14 green, 2 blue
+Game 41: 8 green, 5 red, 3 blue; 5 red, 4 blue, 12 green; 10 green, 6 blue; 13 green, 7 blue; 1 red, 2 green, 15 blue
+Game 42: 17 red, 1 blue, 5 green; 9 green, 16 red; 1 blue, 15 green, 2 red; 1 blue, 12 red, 12 green
+Game 43: 12 green, 5 blue; 3 red, 8 blue, 10 green; 8 blue, 2 green, 1 red
+Game 44: 1 green, 7 red, 2 blue; 1 blue, 10 red; 4 green, 3 blue, 19 red; 1 blue, 3 green, 1 red; 1 blue; 4 red, 2 green, 3 blue
+Game 45: 16 red, 12 blue, 1 green; 13 blue, 16 red, 9 green; 7 green, 3 red, 8 blue
+Game 46: 1 red, 17 green, 6 blue; 6 blue, 1 red, 3 green; 12 green, 1 blue; 4 blue, 2 green
+Game 47: 2 green, 12 red, 15 blue; 9 blue, 2 green, 2 red; 3 green, 6 blue, 2 red; 11 blue, 3 green, 5 red; 6 green, 9 red, 17 blue
+Game 48: 5 blue, 6 red; 7 green, 14 red, 4 blue; 2 green, 5 blue, 2 red; 11 blue, 5 red, 5 green
+Game 49: 7 green, 7 blue, 4 red; 11 green, 12 blue, 2 red; 12 blue, 4 red, 9 green; 3 red, 8 blue, 17 green; 16 green, 3 red, 14 blue
+Game 50: 5 green, 4 red, 10 blue; 7 green, 14 red, 5 blue; 12 red, 18 blue, 14 green
+Game 51: 12 green, 3 blue; 10 green, 4 blue, 2 red; 3 green, 5 blue
+Game 52: 12 green, 6 red, 7 blue; 20 green, 6 red, 18 blue; 1 green, 5 blue, 11 red; 2 green, 15 blue, 6 red
+Game 53: 6 red, 2 green, 5 blue; 13 green, 1 blue, 14 red; 7 green, 1 blue; 3 green, 4 blue, 6 red; 10 red, 6 green, 4 blue
+Game 54: 4 blue, 1 red; 1 red, 1 blue, 9 green; 3 red, 2 blue, 4 green; 3 green, 2 red, 5 blue; 9 blue, 2 red, 7 green
+Game 55: 7 blue; 6 blue, 1 red; 4 red, 7 blue; 3 red, 3 blue, 1 green
+Game 56: 2 green, 7 blue; 3 red, 10 blue; 1 green, 2 red; 3 red, 8 blue, 4 green; 1 green, 11 blue, 3 red; 2 green, 8 blue
+Game 57: 3 red, 1 green; 1 green, 1 red, 1 blue; 1 red, 4 green, 15 blue; 9 blue, 2 red, 1 green
+Game 58: 12 blue, 13 red, 5 green; 2 blue, 6 green; 12 red, 15 green, 7 blue; 5 red, 4 green, 14 blue; 15 red, 2 green, 9 blue
+Game 59: 5 green, 5 blue; 4 red, 6 blue, 2 green; 5 blue, 3 green, 6 red; 3 red, 6 green, 4 blue; 3 blue, 7 green, 10 red
+Game 60: 1 red, 1 blue, 3 green; 1 red; 3 green, 6 blue; 6 blue
+Game 61: 7 green, 1 red, 1 blue; 4 red, 3 green, 1 blue; 7 blue, 7 green; 11 blue, 2 green, 5 red; 5 red, 4 green, 5 blue
+Game 62: 17 green, 2 red, 3 blue; 1 red, 3 blue, 2 green; 1 green, 3 blue, 2 red; 1 red, 17 green; 2 red, 15 green, 4 blue; 5 green
+Game 63: 2 green, 4 red, 3 blue; 9 blue, 10 red; 1 green, 13 blue, 2 red; 2 green, 1 blue, 5 red
+Game 64: 6 red, 8 blue; 3 red, 6 blue, 5 green; 13 red, 11 blue, 8 green; 11 red, 3 blue, 1 green
+Game 65: 4 green, 1 blue, 2 red; 3 blue, 3 green, 11 red; 6 green, 3 blue, 3 red; 5 red, 4 blue; 8 red, 5 blue, 2 green
+Game 66: 10 green, 13 red; 1 blue, 2 red, 4 green; 7 red, 7 green; 19 green, 9 red, 1 blue; 16 green, 16 red, 2 blue; 10 red, 11 green
+Game 67: 3 blue, 4 green, 2 red; 6 blue, 19 red; 4 blue, 2 red, 5 green; 4 green, 5 blue, 1 red
+Game 68: 13 blue, 15 red, 7 green; 5 blue, 20 red; 6 green, 12 blue, 8 red; 5 blue, 8 green
+Game 69: 13 red, 13 green; 13 green, 3 red, 1 blue; 8 green; 9 green, 9 red
+Game 70: 8 blue, 11 red, 2 green; 12 red, 2 blue; 13 red, 6 blue, 3 green; 7 blue, 3 green, 5 red; 15 red, 1 blue, 3 green
+Game 71: 7 red, 9 green; 4 blue, 9 green, 7 red; 4 blue, 2 green; 6 blue, 2 red, 9 green
+Game 72: 14 blue, 1 green; 4 red, 1 green, 9 blue; 6 blue, 8 red, 2 green
+Game 73: 17 green; 10 blue, 2 red, 9 green; 1 green, 10 blue, 2 red; 8 blue, 1 red; 5 blue, 16 green
+Game 74: 12 green, 6 red, 5 blue; 2 red, 4 blue, 10 green; 3 green, 4 blue, 2 red; 8 green, 2 red, 5 blue; 5 red, 2 blue, 2 green; 6 green, 1 red, 1 blue
+Game 75: 4 blue, 19 green; 15 blue, 7 green; 18 blue, 5 green, 7 red; 16 green, 15 blue; 7 red, 4 green, 13 blue; 9 green, 13 blue
+Game 76: 1 red, 2 green, 7 blue; 13 blue, 7 green, 1 red; 13 blue, 5 red
+Game 77: 3 red, 10 blue, 6 green; 1 green, 2 red, 10 blue; 7 green, 1 red
+Game 78: 11 green, 2 blue; 6 blue, 8 red, 5 green; 10 red, 6 green, 4 blue; 6 blue, 3 green, 10 red; 5 green, 6 red
+Game 79: 4 red, 6 blue, 1 green; 1 red; 2 green, 3 blue, 4 red; 4 red, 1 green, 2 blue; 2 green, 1 red
+Game 80: 2 red, 1 green; 1 red, 1 green; 7 red, 1 green; 1 blue, 7 red, 3 green
+Game 81: 1 blue, 15 red, 4 green; 2 green, 12 red; 4 green, 13 red; 1 blue, 3 green, 13 red; 12 red, 2 green, 1 blue; 3 green, 8 red, 1 blue
+Game 82: 18 red, 4 green, 1 blue; 14 red, 1 green, 2 blue; 10 red, 2 blue, 7 green; 13 red; 3 red, 7 green, 1 blue; 5 red, 4 green
+Game 83: 4 red, 10 green, 5 blue; 2 red, 12 blue, 13 green; 19 blue, 9 green, 1 red; 2 red, 14 blue, 3 green; 13 green, 8 blue, 5 red
+Game 84: 12 blue, 7 red, 9 green; 1 blue, 1 green, 14 red; 1 green, 8 red, 11 blue; 11 blue, 12 red, 3 green; 11 blue, 8 green, 13 red; 7 green, 7 red, 10 blue
+Game 85: 10 red, 2 blue; 11 green, 9 red, 4 blue; 3 red, 5 blue, 13 green; 5 red, 5 green; 5 red, 2 blue, 4 green; 11 green, 4 blue, 19 red
+Game 86: 1 blue, 6 green, 2 red; 1 red, 1 blue, 8 green; 3 red, 1 blue, 4 green; 1 green, 4 red; 9 green, 2 red; 6 green, 7 red, 1 blue
+Game 87: 8 green, 8 blue, 4 red; 5 red, 2 blue, 10 green; 3 red, 13 green; 1 red, 3 blue, 4 green
+Game 88: 3 blue, 9 green, 3 red; 2 blue, 15 green; 2 red, 9 green
+Game 89: 9 red, 6 green, 15 blue; 10 blue, 7 red, 2 green; 7 green, 16 blue, 4 red
+Game 90: 1 red, 1 blue, 7 green; 7 green, 1 blue, 8 red; 3 red, 1 blue, 1 green
+Game 91: 1 green, 2 red, 6 blue; 4 green, 4 red, 3 blue; 4 red, 11 green, 4 blue; 3 blue, 5 red; 8 green, 2 red, 8 blue
+Game 92: 2 red, 3 blue; 3 blue, 2 green, 2 red; 9 red, 3 green
+Game 93: 2 blue, 5 green; 2 green, 5 blue, 3 red; 2 green, 5 blue, 1 red; 7 blue, 4 red, 9 green
+Game 94: 1 red, 9 blue, 14 green; 6 green; 2 blue, 11 green; 4 blue, 16 green, 1 red
+Game 95: 10 green, 2 blue, 7 red; 4 blue, 4 red, 6 green; 3 red, 2 blue, 3 green
+Game 96: 12 red; 3 green, 10 red; 6 blue, 14 red, 2 green; 7 green, 15 red; 3 green, 3 red, 1 blue; 5 blue, 1 red
+Game 97: 3 red, 1 green, 1 blue; 1 green, 3 red; 4 red, 1 green
+Game 98: 4 red, 5 green, 6 blue; 2 red, 9 green, 6 blue; 2 blue, 11 red, 14 green; 6 green, 4 blue; 11 blue, 11 red, 8 green
+Game 99: 2 green, 20 blue; 12 blue; 3 red, 12 blue; 7 blue; 3 green, 10 blue, 2 red; 3 red, 2 green
+Game 100: 2 blue, 8 green, 12 red; 2 green, 13 red; 2 red, 4 green; 2 green, 7 red; 10 green, 5 red, 1 blue
--- a/day_2/sample.txt
+++ b/day_2/sample.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
--- a/day_2/solution.d
+++ b/day_2/solution.d
@ -0,0 +1,66 @@
+import std.string;
+import std.file;
+import std.conv;
+import std.stdio;
+import std.algorithm;
+
+struct CubeSet {
+    int red, green, blue;
+}
+
+struct Game {
+    int id;
+    CubeSet[] sets;
+
+    static Game parse(string s) {
+        string[] gameAndSets = split(s, ":");
+        Game g;
+        g.id = gameAndSets[0].strip.split(" ")[1].to!int;
+        foreach (string setStr; gameAndSets[1].strip.split(";")) {
+            string[] components = setStr.split(",");
+            CubeSet set;
+            foreach (string component; components) {
+                string[] countAndType = component.strip.split(" ");
+                int count = countAndType[0].to!int;
+                string type = countAndType[1];
+                if (type == "red") set.red = count;
+                else if (type == "green") set.green = count;
+                else if (type == "blue") set.blue = count;
+            }
+            g.sets ~= set;
+        }
+        return g;
+    }
+}
+
+void part1() {
+    File("input.txt").byLineCopy().map!(Game.parse)
+        .filter!((g) {
+            foreach (CubeSet set; g.sets) {
+                if (set.red > 12 || set.green > 13 || set.blue > 14) return false;
+            }
+            return true;
+        })
+        .map!(g => g.id)
+        .sum.writeln;
+}
+
+void part2() {
+    File("input.txt").byLineCopy().map!(Game.parse)
+        .map!((g) {
+            CubeSet minSet;
+            foreach (CubeSet set; g.sets) {
+                minSet.red = max(minSet.red, set.red);
+                minSet.green = max(minSet.green, set.green);
+                minSet.blue = max(minSet.blue, set.blue);
+            }
+            return minSet;
+        })
+        .map!(s => s.red * s.green * s.blue)
+        .sum.writeln;
+}
+
+void main() {
+    part1();
+    part2();
+}