Update

2023/src/day2/mod.rs

@@ -0,0 +1,76 @@
+use crate::utils::read_lines;
+
+const RED_MAX: u32 = 12;
+const GREEN_MAX: u32 = 13;
+const BLUE_MAX: u32 = 14;
+
+pub fn process() -> u32 {
+    let file_path = "./input_sources/day2.txt";
+    let mut total: u32 = 0;
+    if let Ok(lines) = read_lines(file_path) {
+        for game in lines.flatten() {
+            total = total + get_color_minimums(game.clone());
+            //println!("{:?}", total);
+        }
+    }
+    total
+}
+
+fn get_game_id(input_line: String) -> u32 {
+    let game_section: Vec<&str> = input_line.split(":").collect();
+    let game_section_split: Vec<&str> = game_section[0].split(" ").collect();
+    game_section_split[1].trim().parse().unwrap()
+}
+
+fn get_color_minimums(game: String) -> u32 {
+    let split_on_colon: Vec<&str> = game.split(":").collect();
+    let game_results: Vec<&str> = split_on_colon[1].split(";").collect();
+    let mut valid_game: bool = true;
+
+    let mut total: u32 = 1;
+    let mut green_min: u32 = 0;
+    let mut red_min: u32 = 0;
+    let mut blue_min: u32 = 0;
+
+    for game_result in game_results {
+        let selections: Vec<&str> = game_result.split(",").collect();
+        for selection in selections {
+            let split_selection: Vec<&str> = selection.trim().split(" ").collect();
+            let num_selected: u32 = split_selection[0].trim().parse().unwrap();
+            let color_selected: &str = split_selection[1].trim();
+
+            match color_selected {
+                "green" => {
+                    if num_selected > green_min {
+                        green_min = num_selected;
+                    }
+                },
+                "blue" => {
+                    if num_selected > blue_min {
+                        blue_min = num_selected;
+                    }
+                },
+                "red" => {
+                    if num_selected > red_min {
+                        red_min = num_selected;
+                    }
+                },
+                &_ => todo!()
+            }
+        }
+
+    }
+    if green_min > 0 {
+        total = green_min * total;
+    }
+
+    if red_min > 0 {
+        total = red_min * total;
+    }
+
+    if blue_min > 0 {
+        total = blue_min * total;
+    }
+    total
+}
+