part one

1 files changed, 93 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..b2c7486
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,93 @@
+use std::fs;
+
+enum Color {
+    Red,
+    Blue,
+    Green
+}
+
+const GREENMAX: u32 = 13;
+const REDMAX: u32 = 12;
+const BLUEMAX: u32 = 14;
+
+fn main() {
+    let f = fs::read_to_string("input").unwrap();
+    let mut count = 0;
+
+    for line in f.split("\n") {
+
+        // Separate game number and data
+        let colonidx = line.find(':').unwrap();
+        let (game, data) = line.split_at(colonidx);
+
+        // Get game number
+        let game: Vec<&str> = game.split_whitespace().collect();
+        let game = game.get(game.len() - 1).unwrap();
+        let game: u32 = game.parse().unwrap();
+        println!("{}", game);
+
+        // Separate game data
+        let data = data.replace(':', "");
+        let data: Vec<(u32, Vec<(u32, Color)>)> = data.split(";").map(|x| {
+            // Separate game rolls
+            let x: Vec<&str> = x.split(",").collect();
+
+            let mut fin = (game, vec![]);
+
+            for roll in x {
+                let mut roll = roll.split_whitespace();
+                let amount: u32 = roll.next().unwrap().parse().unwrap();
+                let color = match roll.next().unwrap() {
+                    "blue" => Color::Blue,
+                    "red" => Color::Red,
+                    "green" => Color::Green,
+                    _ => panic!(),
+                };
+
+                fin.1.push((amount, color));
+            }
+
+            return fin;
+        }).collect();
+
+        // let mut count = 0;
+        // println!("process data");
+        let mut failed = false;
+        let mut game = 0;
+        
+        for entry in data {
+            game = entry.0;
+
+            for e in entry.1 {
+                match e.1 {
+                    Color::Blue => {
+                        if e.0 > BLUEMAX {
+                            failed = true;
+                            continue;
+                        }
+                    },
+                    Color::Green => {
+                        if e.0 > GREENMAX {
+                            failed = true;
+                            continue;
+                        }
+                    },
+                    Color::Red => {
+                        if e.0 > REDMAX {
+                            failed = true;
+                            continue;
+                        }
+                    },
+                }
+            }
+        }
+        if failed == false {
+            // println!("one");
+            count += game;
+        }
+        
+        // println!("{}\n", count);
+    }
+
+    println!("{}", count);
+}