day2: added solutions

Cargo.lock

@@ -12,7 +12,6 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 name = "aoc2023"
 version = "0.1.0"
 dependencies = [
- "tap",
  "ureq",
 ]
 
@@ -171,12 +170,6 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
-[[package]]
-name = "tap"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
-
 [[package]]
 name = "tinyvec"
 version = "1.6.0"

Cargo.toml

@@ -7,7 +7,6 @@ default-run = "main"
 [profile.dev]
 opt-level = 3
 debug = false
-strip-debuginfo = 'off'
 strip = false
 debug-assertions = false
 overflow-checks = false
@@ -18,7 +17,6 @@ codegen-units = 16
 rpath = false
 
 [dependencies]
-tap = "1.0.1"
 ureq = { version = "2.9.1" }
 
 

src/day2/1.rs

@@ -1 +1,91 @@
-const INPUTS: [&'static str; 2] = [include_str!("./sample.txt"), include_str!("./input.txt")];
+#![feature(test)]
+extern crate test;
+
+const INPUTS: [&str; 2] = [include_str!("./sample.txt"), include_str!("./input.txt")];
+
+#[derive(Debug)]
+pub enum Move {
+    Red(u32),
+    Green(u32),
+    Blue(u32),
+}
+
+fn process(data: &str) -> u32 {
+    let mut total = 0;
+
+    for line in data.lines() {
+        if line.is_empty() {
+            continue;
+        }
+        let (gid, remain) = line.split_once(':').unwrap();
+
+        let gid = gid
+            .chars()
+            .filter(|c| c.is_numeric())
+            .collect::<String>()
+            .parse::<u32>()
+            .unwrap();
+
+        let moves = remain.split(';').map(|x| {
+            let mut output = vec![];
+            let cubes = x.split(',');
+
+            for cube in cubes {
+                let cube = cube.trim();
+                let (count, color) = cube.split_once(' ').unwrap();
+
+                let count = count.parse::<u32>().unwrap();
+
+                match color {
+                    "red" => output.push(Move::Red(count)),
+                    "green" => output.push(Move::Green(count)),
+                    "blue" => output.push(Move::Blue(count)),
+                    _ => unreachable!(),
+                }
+            }
+
+            output
+        });
+
+        let mut possible = true;
+        'outer: for mmove in moves {
+            for step in mmove {
+                match step {
+                    Move::Red(v) if v > 12 => {
+                        possible = false;
+                        break 'outer;
+                    }
+                    Move::Green(v) if v > 13 => {
+                        possible = false;
+                        break 'outer;
+                    }
+                    Move::Blue(v) if v > 14 => {
+                        possible = false;
+                        break 'outer;
+                    }
+
+                    _ => (),
+                }
+            }
+        }
+        if possible {
+            total += gid;
+        }
+    }
+
+    total
+}
+
+fn main() {
+    for input in INPUTS.iter() {
+        println!("total = {}", process(input));
+    }
+}
+
+#[bench]
+fn part1(b: &mut test::Bencher) {
+    b.iter(|| {
+        let v = process(INPUTS[1]);
+        test::black_box(v);
+    });
+}

src/day2/2.rs

@@ -1 +1,73 @@
-const INPUTS: [&'static str; 2] = [include_str!("./sample.txt"), include_str!("./input.txt")];
+#![feature(test)]
+extern crate test;
+
+const INPUTS: [&str; 2] = [include_str!("./sample.txt"), include_str!("./input.txt")];
+
+#[derive(Debug)]
+pub enum Move {
+    Red(u32),
+    Green(u32),
+    Blue(u32),
+}
+
+fn process(data: &str) -> u32 {
+    let mut total = 0;
+
+    for line in data.lines() {
+        if line.is_empty() {
+            continue;
+        }
+        let (_, remain) = line.split_once(':').unwrap();
+
+        let moves = remain.split(';').flat_map(|x| {
+            let mut output = vec![];
+            let cubes = x.split(',');
+
+            for cube in cubes {
+                let cube = cube.trim();
+                let (count, color) = cube.split_once(' ').unwrap();
+
+                let count = count.parse::<u32>().unwrap();
+
+                match color {
+                    "red" => output.push(Move::Red(count)),
+                    "green" => output.push(Move::Green(count)),
+                    "blue" => output.push(Move::Blue(count)),
+                    _ => unreachable!(),
+                }
+            }
+
+            output
+        });
+
+        let mut min_red = 0;
+        let mut min_green = 0;
+        let mut min_blue = 0;
+
+        for mmove in moves {
+            match mmove {
+                Move::Red(v) => min_red = std::cmp::max(min_red, v),
+                Move::Green(v) => min_green = std::cmp::max(min_green, v),
+                Move::Blue(v) => min_blue = std::cmp::max(min_blue, v),
+            }
+        }
+
+        total += min_red * min_green * min_blue;
+    }
+
+    total
+}
+
+fn main() {
+    for input in INPUTS.iter() {
+        println!("total = {}", process(input));
+    }
+}
+
+#[bench]
+fn part1(b: &mut test::Bencher) {
+    b.iter(|| {
+        let v = process(INPUTS[1]);
+        test::black_box(v);
+    });
+}

src/day2/input.txt

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

src/day2/sample.txt

@@ -0,0 +1,5 @@
+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