init

day1/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "day1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+regex = "1.10.2"

day1/src/main.rs

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+use std::fs::read_to_string;
+use std::collections::HashMap;
+use regex::Regex;
+
+fn get_digit(text: &str, digits_map: &HashMap<&str, i32>) -> i32 {
+    match text.parse::<i32>() {
+        Ok(num) => {
+            num
+        }
+        Err(_) => {
+            digits_map[text]
+        }
+    }
+}
+
+fn main() {
+    let digits_map: HashMap<&str, i32> = HashMap::from([
+        ("one", 1), ("two", 2), ("three", 3), ("four", 4), ("five", 5),
+        ("six", 6), ("seven", 7), ("eight", 8), ("nine", 9)
+    ]);
+    let mut sum1 = 0;
+    let mut sum2 = 0;
+    let forward_re = Regex::new("[0-9]|one|two|three|four|five|six|seven|eight|nine").unwrap();
+    let backward_re = Regex::new(&("[0-9]|".to_owned()
+        + &"one|two|three|four|five|six|seven|eight|nine".chars().rev().collect::<String>())).unwrap();
+    for line in read_to_string("input.txt").unwrap().lines() {
+        // First task
+        let mut first_digit: i32 = -1;
+        let mut last_digit: i32 = -1;
+        for c in line.chars() {
+            match c.to_digit(10) {
+                Some(num) => {
+                    if first_digit < 0 {
+                        first_digit = num as i32;
+                    }
+                    last_digit = num as i32;
+                },
+                None => {}
+            }
+        }
+        sum1 += first_digit * 10 + last_digit;
+
+        // Second task
+        let first_digit2 = get_digit(forward_re.find(line).unwrap().as_str(), &digits_map);
+        let last_digit2 = get_digit(
+            &backward_re.find(&line.chars().rev().collect::<String>())
+                .unwrap().as_str().chars().rev().collect::<String>(), &digits_map);
+        sum2 += first_digit2 * 10 + last_digit2;
+    }
+    println!("Sum 1: {}", sum1);
+    println!("Sum 2: {}", sum2);
+}

day2/Cargo.toml

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+[package]
+name = "day2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+regex = "1.10.2"

day2/input.txt

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

day2/src/main.rs

@@ -0,0 +1,28 @@
+use std::fs::read_to_string;
+use std::collections::HashMap;
+use regex::Regex;
+
+fn main() {
+    let re = Regex::new("([0-9]+) (red|green|blue)([,;])?").unwrap();
+    let mut current_id = 1;
+    let bag: HashMap<&str, i32> = HashMap::from([
+        ("red", 12), ("green", 13), ("blue", 14)
+    ]);
+    let mut sum = 0;
+    for line in read_to_string("input.txt").unwrap().lines() {
+        let mut possible = true;
+        for captures in re.captures_iter(line) {
+            let amount = captures[1].parse::<i32>().unwrap();
+            let color = &captures[2];
+            if amount > bag[color] {
+                possible = false;
+                break;
+            }
+        }
+        if possible {
+            sum += current_id;
+        }
+        current_id += 1;
+    }
+    println!("Sum: {}", sum);
+}