day_01/src/main.rs

@@ -1,5 +1,3 @@
-#[allow(dead_code)]
-
 fn first_part(input: &str) -> usize {
     let mut sum = 0;
     for line in input.lines() {
@@ -15,7 +13,7 @@ fn first_part(input: &str) -> usize {
 fn second_part(input: &str) -> usize {
     let mut sum = 0;
     for line in input.lines() {
-        let (first, last) = find_first_last(&line);
+        let (first, last) = find_first_last(line);
         let lineval = first * 10 + last;
         sum += lineval;
     }
@@ -70,21 +68,21 @@ mod day1_examples {
     #[test]
     fn example_1st_part() {
         let example = "1abc2
-            pqr3stu8vwx
-            a1b2c3d4e5f
-            treb7uchet";
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet";
         assert_eq!(crate::first_part(example), 142);
     }
 
     #[test]
     fn example_2nd_part() {
         let example = "two1nine
-            eightwothree
-            abcone2threexyz
-            xtwone3four
-            4nineeightseven2
-            zoneight234
-            7pqrstsixteen";
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen";
         assert_eq!(crate::second_part(example), 281);
     }
 }

day_02/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day_02"
+version = "0.1.0"

day_02/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day_02"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day_02/src/input.txt

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

day_02/src/main.rs

@@ -0,0 +1,86 @@
+fn first_part(input: &str) -> usize {
+    let mut sum = 0;
+    for line in input.lines() {
+        let split_line: Vec<&str> = line.split(':').collect();
+        let split_id: Vec<&str> = split_line[0].split(' ').collect();
+        let id_nr = split_id[1].parse::<usize>().unwrap();
+
+        let subsets: Vec<&str> = split_line[1].split(';').collect();
+        let mut valid = true;
+        for s in subsets {
+            let color_str: Vec<&str> = s.split(',').collect();
+            for c in color_str {
+                let c = c.trim();
+                let split_color_str: Vec<&str> = c.split(' ').collect();
+                valid = valid
+                    && match split_color_str[1].trim() {
+                        "red" => split_color_str[0].parse::<usize>().unwrap() <= 12,
+                        "green" => split_color_str[0].parse::<usize>().unwrap() <= 13,
+                        "blue" => split_color_str[0].parse::<usize>().unwrap() <= 14,
+                        _ => panic!(),
+                    };
+            }
+        }
+        if valid {
+            sum += id_nr;
+        }
+    }
+    sum
+}
+
+fn second_part(input: &str) -> usize {
+    let mut sum = 0;
+    for line in input.lines() {
+        let split_line: Vec<&str> = line.split(':').collect();
+
+        let subsets: Vec<&str> = split_line[1].split(';').collect();
+        let mut r = Vec::new();
+        let mut g = Vec::new();
+        let mut b = Vec::new();
+        for s in subsets {
+            let color_str: Vec<&str> = s.split(',').collect();
+            for c in color_str {
+                let c = c.trim();
+                let split_color_str: Vec<&str> = c.split(' ').collect();
+                match split_color_str[1].trim() {
+                    "red" => r.push(split_color_str[0].parse::<usize>().unwrap()),
+                    "green" => g.push(split_color_str[0].parse::<usize>().unwrap()),
+                    "blue" => b.push(split_color_str[0].parse::<usize>().unwrap()),
+                    _ => panic!(),
+                };
+            }
+        }
+        let power = r.iter().max().unwrap() * g.iter().max().unwrap() * b.iter().max().unwrap();
+        sum += power;
+    }
+    sum
+}
+
+fn main() {
+    let input = include_str!("input.txt");
+    println!("First part: {}", first_part(input));
+    println!("Second part: {}", second_part(input));
+}
+
+#[cfg(test)]
+mod day1_examples {
+    #[test]
+    fn example_1st_part() {
+        let example = "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";
+        assert_eq!(crate::first_part(example), 8);
+    }
+
+    #[test]
+    fn example_2nd_part() {
+        let example = "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";
+        assert_eq!(crate::second_part(example), 2286);
+    }
+}