Day 2 complete

day_2/src/main.rs

@@ -58,6 +58,43 @@ fn main()
     }
 
     println!("\nSum of valid game IDs: {}", sum);
+
+    let mut power_sum = 0;
+    for game in games
+    {
+        let min_cubes = find_min_cubes_for_game(&game);
+
+        let power_set = min_cubes.red * min_cubes.green * min_cubes.blue;   // This could be made a method of CubeSample
+        // println!("DEBUG: Power Set: {}", power_set);
+
+        power_sum += power_set;
+    }
+
+    println!("Power sum of minimum cube sets: {}", power_sum);
+}
+
+fn find_min_cubes_for_game(game: &Vec<CubeSample>) -> CubeSample
+{
+    let mut min_cubes = CubeSample::new();
+    for sample in game
+    {
+        if  min_cubes.red < sample.red
+        {
+            min_cubes.red = sample.red;
+        }
+
+        if min_cubes.green < sample.green
+        {
+            min_cubes.green = sample.green;
+        }
+
+        if min_cubes.blue < sample.blue
+        {
+            min_cubes.blue = sample.blue;
+        }
+    }
+
+    min_cubes
 }
 
 fn parse_games(game_data: &str) -> Vec<Vec<CubeSample>>

day_3/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day_3"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day_3/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}