Day 5

input/05.txt

@@ -0,0 +1,512 @@
+        [F] [Q]         [Q]        
+[B]     [Q] [V] [D]     [S]        
+[S] [P] [T] [R] [M]     [D]        
+[J] [V] [W] [M] [F]     [J]     [J]
+[Z] [G] [S] [W] [N] [D] [R]     [T]
+[V] [M] [B] [G] [S] [C] [T] [V] [S]
+[D] [S] [L] [J] [L] [G] [G] [F] [R]
+[G] [Z] [C] [H] [C] [R] [H] [P] [D]
+ 1   2   3   4   5   6   7   8   9 
+
+move 3 from 5 to 2
+move 3 from 8 to 4
+move 7 from 7 to 3
+move 14 from 3 to 9
+move 8 from 4 to 1
+move 1 from 7 to 5
+move 2 from 6 to 4
+move 4 from 5 to 7
+move 1 from 3 to 6
+move 3 from 4 to 3
+move 1 from 4 to 1
+move 5 from 1 to 9
+move 1 from 4 to 6
+move 4 from 7 to 4
+move 15 from 9 to 2
+move 7 from 1 to 6
+move 3 from 3 to 5
+move 1 from 4 to 9
+move 2 from 5 to 3
+move 2 from 4 to 9
+move 4 from 1 to 6
+move 1 from 3 to 1
+move 1 from 3 to 2
+move 4 from 6 to 3
+move 24 from 2 to 8
+move 4 from 9 to 8
+move 1 from 1 to 3
+move 2 from 5 to 4
+move 1 from 2 to 4
+move 19 from 8 to 1
+move 5 from 3 to 9
+move 8 from 1 to 3
+move 3 from 4 to 1
+move 6 from 9 to 5
+move 2 from 3 to 4
+move 1 from 8 to 5
+move 2 from 4 to 6
+move 11 from 6 to 1
+move 8 from 8 to 7
+move 1 from 6 to 5
+move 13 from 1 to 3
+move 1 from 1 to 7
+move 2 from 7 to 8
+move 5 from 7 to 1
+move 2 from 8 to 4
+move 3 from 5 to 3
+move 11 from 3 to 1
+move 2 from 5 to 3
+move 2 from 5 to 3
+move 2 from 7 to 1
+move 7 from 3 to 1
+move 1 from 4 to 5
+move 1 from 6 to 4
+move 3 from 4 to 7
+move 3 from 7 to 1
+move 6 from 3 to 5
+move 1 from 5 to 9
+move 4 from 5 to 4
+move 2 from 3 to 4
+move 8 from 9 to 2
+move 5 from 4 to 6
+move 1 from 6 to 5
+move 1 from 4 to 9
+move 39 from 1 to 7
+move 7 from 2 to 6
+move 1 from 9 to 3
+move 1 from 2 to 7
+move 1 from 3 to 1
+move 5 from 7 to 3
+move 4 from 5 to 1
+move 19 from 7 to 9
+move 1 from 9 to 8
+move 1 from 9 to 7
+move 5 from 9 to 3
+move 6 from 6 to 7
+move 1 from 8 to 3
+move 4 from 1 to 4
+move 23 from 7 to 6
+move 1 from 1 to 6
+move 21 from 6 to 2
+move 3 from 4 to 8
+move 7 from 6 to 1
+move 1 from 4 to 9
+move 1 from 6 to 7
+move 6 from 1 to 2
+move 1 from 7 to 4
+move 15 from 2 to 8
+move 5 from 3 to 8
+move 22 from 8 to 7
+move 1 from 8 to 1
+move 5 from 3 to 4
+move 1 from 3 to 2
+move 1 from 1 to 2
+move 3 from 4 to 8
+move 3 from 8 to 9
+move 11 from 2 to 1
+move 2 from 1 to 4
+move 15 from 9 to 5
+move 22 from 7 to 3
+move 2 from 4 to 9
+move 3 from 4 to 2
+move 8 from 1 to 8
+move 6 from 8 to 6
+move 1 from 6 to 2
+move 3 from 6 to 9
+move 3 from 2 to 7
+move 4 from 2 to 9
+move 2 from 7 to 5
+move 1 from 1 to 7
+move 2 from 8 to 2
+move 2 from 7 to 5
+move 9 from 5 to 3
+move 8 from 5 to 2
+move 1 from 6 to 4
+move 1 from 6 to 9
+move 1 from 2 to 9
+move 2 from 5 to 1
+move 7 from 2 to 3
+move 1 from 4 to 3
+move 1 from 2 to 4
+move 5 from 3 to 4
+move 6 from 9 to 3
+move 1 from 2 to 6
+move 6 from 9 to 6
+move 2 from 1 to 8
+move 3 from 6 to 3
+move 2 from 8 to 6
+move 6 from 4 to 1
+move 14 from 3 to 9
+move 1 from 6 to 4
+move 3 from 3 to 9
+move 1 from 4 to 5
+move 10 from 9 to 6
+move 6 from 6 to 7
+move 2 from 1 to 8
+move 1 from 8 to 6
+move 16 from 3 to 2
+move 1 from 8 to 1
+move 1 from 7 to 1
+move 7 from 3 to 4
+move 1 from 6 to 5
+move 4 from 2 to 3
+move 5 from 4 to 9
+move 2 from 4 to 5
+move 4 from 7 to 4
+move 5 from 9 to 6
+move 2 from 5 to 4
+move 11 from 6 to 7
+move 1 from 6 to 8
+move 5 from 1 to 5
+move 2 from 6 to 4
+move 7 from 7 to 3
+move 1 from 8 to 6
+move 2 from 7 to 3
+move 1 from 1 to 3
+move 3 from 2 to 8
+move 9 from 2 to 5
+move 1 from 6 to 1
+move 1 from 4 to 8
+move 7 from 4 to 7
+move 8 from 5 to 6
+move 1 from 7 to 2
+move 1 from 7 to 4
+move 3 from 7 to 8
+move 1 from 2 to 3
+move 1 from 1 to 2
+move 1 from 1 to 7
+move 3 from 7 to 6
+move 11 from 6 to 2
+move 4 from 8 to 7
+move 2 from 8 to 7
+move 15 from 3 to 2
+move 7 from 9 to 4
+move 3 from 3 to 2
+move 4 from 4 to 7
+move 5 from 7 to 3
+move 3 from 4 to 6
+move 3 from 6 to 9
+move 1 from 4 to 2
+move 1 from 8 to 1
+move 2 from 3 to 7
+move 2 from 3 to 7
+move 23 from 2 to 5
+move 1 from 9 to 1
+move 1 from 7 to 9
+move 1 from 1 to 8
+move 8 from 7 to 1
+move 1 from 8 to 4
+move 1 from 4 to 2
+move 3 from 9 to 8
+move 1 from 7 to 9
+move 22 from 5 to 9
+move 1 from 8 to 5
+move 1 from 7 to 4
+move 1 from 4 to 5
+move 1 from 8 to 3
+move 2 from 9 to 3
+move 5 from 5 to 2
+move 5 from 5 to 4
+move 3 from 2 to 7
+move 1 from 7 to 3
+move 6 from 1 to 7
+move 4 from 3 to 1
+move 6 from 2 to 8
+move 1 from 5 to 6
+move 2 from 8 to 1
+move 12 from 9 to 4
+move 8 from 9 to 4
+move 1 from 2 to 9
+move 2 from 9 to 8
+move 3 from 2 to 8
+move 5 from 8 to 6
+move 7 from 7 to 1
+move 4 from 8 to 9
+move 1 from 6 to 1
+move 17 from 4 to 7
+move 1 from 2 to 4
+move 2 from 4 to 1
+move 6 from 4 to 6
+move 1 from 1 to 4
+move 7 from 1 to 5
+move 9 from 7 to 9
+move 8 from 9 to 8
+move 5 from 8 to 3
+move 1 from 5 to 6
+move 2 from 3 to 6
+move 1 from 9 to 1
+move 1 from 6 to 1
+move 10 from 6 to 1
+move 1 from 5 to 1
+move 2 from 9 to 1
+move 1 from 9 to 7
+move 2 from 6 to 8
+move 2 from 8 to 2
+move 1 from 6 to 8
+move 22 from 1 to 9
+move 9 from 7 to 5
+move 1 from 8 to 1
+move 2 from 8 to 3
+move 4 from 5 to 9
+move 1 from 8 to 3
+move 5 from 1 to 9
+move 2 from 7 to 3
+move 2 from 4 to 7
+move 1 from 8 to 5
+move 2 from 2 to 4
+move 1 from 5 to 8
+move 9 from 5 to 8
+move 2 from 7 to 5
+move 2 from 4 to 5
+move 3 from 8 to 4
+move 3 from 4 to 3
+move 2 from 8 to 6
+move 1 from 6 to 4
+move 3 from 5 to 9
+move 1 from 6 to 3
+move 12 from 3 to 5
+move 1 from 3 to 1
+move 7 from 5 to 4
+move 1 from 1 to 3
+move 1 from 8 to 1
+move 7 from 5 to 1
+move 6 from 9 to 6
+move 29 from 9 to 5
+move 2 from 4 to 6
+move 26 from 5 to 2
+move 24 from 2 to 7
+move 1 from 3 to 2
+move 8 from 1 to 7
+move 7 from 6 to 9
+move 2 from 5 to 3
+move 1 from 6 to 4
+move 3 from 8 to 5
+move 2 from 3 to 8
+move 2 from 2 to 8
+move 5 from 9 to 2
+move 27 from 7 to 2
+move 2 from 8 to 3
+move 2 from 9 to 5
+move 3 from 8 to 5
+move 2 from 7 to 4
+move 3 from 4 to 7
+move 2 from 3 to 2
+move 4 from 5 to 1
+move 5 from 7 to 2
+move 29 from 2 to 8
+move 9 from 8 to 3
+move 2 from 4 to 8
+move 7 from 3 to 2
+move 3 from 5 to 4
+move 1 from 7 to 5
+move 3 from 5 to 6
+move 2 from 1 to 8
+move 2 from 6 to 8
+move 3 from 4 to 2
+move 4 from 4 to 2
+move 1 from 6 to 8
+move 8 from 2 to 4
+move 2 from 3 to 5
+move 1 from 4 to 1
+move 3 from 1 to 2
+move 4 from 8 to 2
+move 3 from 4 to 9
+move 3 from 4 to 1
+move 2 from 9 to 5
+move 1 from 4 to 6
+move 4 from 5 to 1
+move 1 from 6 to 8
+move 1 from 9 to 3
+move 4 from 2 to 3
+move 15 from 8 to 2
+move 9 from 8 to 1
+move 1 from 3 to 9
+move 5 from 1 to 9
+move 3 from 9 to 7
+move 2 from 7 to 6
+move 3 from 3 to 2
+move 1 from 7 to 8
+move 1 from 9 to 6
+move 1 from 9 to 8
+move 2 from 8 to 2
+move 1 from 1 to 2
+move 1 from 3 to 7
+move 4 from 1 to 7
+move 19 from 2 to 5
+move 1 from 1 to 4
+move 1 from 7 to 4
+move 1 from 1 to 5
+move 3 from 1 to 4
+move 1 from 1 to 8
+move 6 from 2 to 4
+move 7 from 2 to 1
+move 2 from 7 to 9
+move 8 from 2 to 8
+move 2 from 7 to 3
+move 1 from 6 to 4
+move 10 from 4 to 6
+move 5 from 6 to 7
+move 2 from 9 to 8
+move 6 from 8 to 9
+move 1 from 2 to 3
+move 2 from 8 to 3
+move 5 from 1 to 8
+move 8 from 5 to 2
+move 8 from 8 to 7
+move 7 from 2 to 8
+move 1 from 1 to 2
+move 1 from 9 to 7
+move 1 from 4 to 2
+move 2 from 2 to 6
+move 5 from 9 to 3
+move 2 from 8 to 6
+move 2 from 3 to 9
+move 4 from 8 to 6
+move 7 from 6 to 1
+move 8 from 1 to 5
+move 1 from 8 to 7
+move 1 from 9 to 6
+move 12 from 5 to 3
+move 1 from 4 to 8
+move 2 from 9 to 5
+move 1 from 2 to 3
+move 3 from 5 to 1
+move 1 from 1 to 5
+move 21 from 3 to 8
+move 2 from 1 to 5
+move 6 from 5 to 7
+move 2 from 5 to 6
+move 10 from 6 to 9
+move 1 from 6 to 8
+move 13 from 8 to 2
+move 2 from 5 to 4
+move 2 from 4 to 3
+move 4 from 9 to 1
+move 5 from 7 to 8
+move 12 from 8 to 1
+move 5 from 9 to 6
+move 1 from 3 to 7
+move 2 from 6 to 5
+move 11 from 2 to 1
+move 1 from 8 to 4
+move 16 from 1 to 9
+move 1 from 2 to 6
+move 1 from 8 to 5
+move 12 from 9 to 3
+move 14 from 7 to 2
+move 1 from 7 to 9
+move 1 from 4 to 2
+move 1 from 7 to 5
+move 3 from 9 to 5
+move 4 from 6 to 9
+move 3 from 9 to 4
+move 1 from 8 to 4
+move 2 from 4 to 5
+move 1 from 7 to 1
+move 5 from 3 to 5
+move 2 from 4 to 2
+move 8 from 2 to 7
+move 7 from 2 to 4
+move 1 from 3 to 7
+move 3 from 9 to 7
+move 2 from 2 to 9
+move 3 from 4 to 5
+move 6 from 1 to 8
+move 6 from 1 to 5
+move 3 from 9 to 2
+move 22 from 5 to 9
+move 1 from 5 to 6
+move 2 from 2 to 3
+move 5 from 7 to 6
+move 5 from 8 to 9
+move 2 from 7 to 2
+move 20 from 9 to 4
+move 1 from 8 to 3
+move 2 from 2 to 5
+move 1 from 2 to 5
+move 15 from 4 to 8
+move 1 from 5 to 7
+move 6 from 9 to 1
+move 5 from 4 to 8
+move 2 from 4 to 8
+move 1 from 2 to 1
+move 5 from 6 to 5
+move 5 from 5 to 7
+move 1 from 9 to 8
+move 5 from 7 to 2
+move 2 from 5 to 1
+move 4 from 7 to 5
+move 1 from 5 to 9
+move 1 from 6 to 8
+move 1 from 7 to 2
+move 6 from 3 to 4
+move 3 from 5 to 7
+move 1 from 9 to 2
+move 6 from 2 to 3
+move 1 from 3 to 4
+move 13 from 8 to 9
+move 7 from 1 to 5
+move 6 from 9 to 2
+move 1 from 1 to 4
+move 6 from 2 to 3
+move 1 from 1 to 4
+move 5 from 9 to 7
+move 11 from 8 to 4
+move 7 from 7 to 3
+move 2 from 7 to 8
+move 1 from 8 to 2
+move 8 from 4 to 1
+move 2 from 1 to 6
+move 2 from 5 to 8
+move 3 from 1 to 9
+move 1 from 8 to 2
+move 11 from 3 to 2
+move 2 from 8 to 9
+move 9 from 4 to 7
+move 11 from 3 to 8
+move 7 from 9 to 6
+move 5 from 4 to 6
+move 3 from 7 to 3
+move 1 from 7 to 1
+move 5 from 7 to 6
+move 2 from 3 to 5
+move 1 from 3 to 4
+move 5 from 2 to 5
+move 1 from 1 to 7
+move 1 from 4 to 8
+move 1 from 7 to 6
+move 7 from 5 to 7
+move 2 from 5 to 7
+move 3 from 1 to 7
+move 1 from 2 to 3
+move 1 from 6 to 4
+move 1 from 3 to 4
+move 1 from 5 to 3
+move 18 from 6 to 4
+move 9 from 7 to 1
+move 14 from 4 to 6
+move 3 from 6 to 4
+move 12 from 6 to 7
+move 2 from 5 to 3
+move 3 from 7 to 4
+move 6 from 4 to 7
+move 5 from 1 to 7
+move 5 from 4 to 5
+move 5 from 2 to 1
+move 9 from 8 to 4
+move 9 from 1 to 3
+move 2 from 8 to 2
+move 4 from 2 to 4
+move 1 from 7 to 6
+move 1 from 2 to 3
+move 1 from 8 to 9
+move 1 from 6 to 9
+move 2 from 9 to 3
+move 3 from 4 to 1
+move 13 from 3 to 5
+move 12 from 5 to 1
+move 7 from 1 to 8
+move 1 from 3 to 6
+move 4 from 5 to 4
+move 1 from 5 to 2
+move 8 from 4 to 9

src/bin/05_1.rs

@@ -0,0 +1,108 @@
+use std::fs;
+
+use anyhow::Result;
+use itertools::Itertools;
+
+
+fn main() -> Result<()> {
+    let input = fs::read_to_string("input/05.txt")?;
+
+    let mut lines = input
+        .split("\n")
+        .into_iter();
+
+    //         [F] [Q]         [Q]        
+    // [B]     [Q] [V] [D]     [S]        
+    // [S] [P] [T] [R] [M]     [D]        
+    // [J] [V] [W] [M] [F]     [J]     [J]
+    // [Z] [G] [S] [W] [N] [D] [R]     [T]
+    // [V] [M] [B] [G] [S] [C] [T] [V] [S]
+    // [D] [S] [L] [J] [L] [G] [G] [F] [R]
+    // [G] [Z] [C] [H] [C] [R] [H] [P] [D]
+    //  1   2   3   4   5   6   7   8   9 
+    //
+    // move 3 from 5 to 2
+    
+    let to_strip: &[_] = &[' ', '[', ']'];
+    
+    let initial_data = lines
+        .by_ref()
+        .take_while(|s| *s != "")
+        .map(|s| s.chars().collect_vec())
+        .map(|c| c.chunks(4).map(|x| x.to_owned()).collect_vec())
+        .map(|l| l
+            .into_iter()
+            .map(|x| x.into_iter().collect::<String>())
+            .collect_vec())
+        .map(|l| l.into_iter().map(|x| x.trim_matches(to_strip).to_owned()).collect_vec())
+        .take_while(|v| v[0] != "1")
+        .collect_vec();
+    
+    let initial_data = transpose(&initial_data);
+
+    let stacks = initial_data.into_iter()
+        .map(|mut l| {l.reverse(); l})
+        .map(|l| l.into_iter().take_while(|s| *s != "").collect_vec())
+        .collect_vec();
+
+    let moves = lines
+        .dropping(1)
+        .filter(|s| *s != "")
+        .map(|s| s.split(" ").collect_vec())
+        .map(|p| (p[1].parse::<i32>().unwrap(), p[3].parse::<usize>().unwrap(), p[5].parse::<usize>().unwrap()))
+        .collect_vec();
+
+    let final_state = moves
+        .into_iter()
+        .fold(stacks, execute_move);
+
+    print_state(&final_state);
+
+    let answer = final_state
+        .into_iter()
+        .map(|mut l| l.pop().unwrap())
+        .join("");
+
+    println!("{answer}");
+
+    return Ok(());
+}
+
+
+fn execute_move(mut stacks: Vec<Vec<String>>, (count, from, to): (i32, usize, usize)) -> Vec<Vec<String>> {
+    // print_state(&stacks);
+    // println!("move {count} from {from} to {to}");
+    (0..count).for_each(|_| {
+        let value = stacks[from - 1].pop().unwrap();
+        stacks[to - 1].push(value);
+    });
+
+
+    return stacks;
+}
+
+
+fn print_state(stacks: &Vec<Vec<String>>) {
+    let lines = (0..(stacks.iter().map(|v| v.len()).max().unwrap()))
+        .map(|i| stacks
+            .iter()
+            .map(|inner| {if inner.len() > i {inner[i].clone()} else {" ".to_owned()}})
+            .collect_vec())
+        .collect_vec();
+    
+    lines
+        .into_iter()
+        .map(|l| l.into_iter().map(|s| {if s == "" {" ".to_owned()} else {s}}).collect_vec())
+        .for_each(|l| println!("{:?}", l));
+}
+
+
+fn transpose<T>(v: &Vec<Vec<T>>) -> Vec<Vec<T>>
+where
+    T: Clone,
+{
+    assert!(!v.is_empty());
+    (0..v[0].len())
+        .map(|i| v.iter().map(|inner| inner[i].clone()).collect::<Vec<T>>())
+        .collect()
+}

src/bin/05_2.rs

@@ -0,0 +1,106 @@
+use std::fs;
+
+use anyhow::Result;
+use itertools::Itertools;
+
+
+fn main() -> Result<()> {
+    let input = fs::read_to_string("input/05.txt")?;
+
+    let mut lines = input
+        .split("\n")
+        .into_iter();
+
+    //         [F] [Q]         [Q]        
+    // [B]     [Q] [V] [D]     [S]        
+    // [S] [P] [T] [R] [M]     [D]        
+    // [J] [V] [W] [M] [F]     [J]     [J]
+    // [Z] [G] [S] [W] [N] [D] [R]     [T]
+    // [V] [M] [B] [G] [S] [C] [T] [V] [S]
+    // [D] [S] [L] [J] [L] [G] [G] [F] [R]
+    // [G] [Z] [C] [H] [C] [R] [H] [P] [D]
+    //  1   2   3   4   5   6   7   8   9 
+    //
+    // move 3 from 5 to 2
+    
+    let to_strip: &[_] = &[' ', '[', ']'];
+    
+    let initial_data = lines
+        .by_ref()
+        .take_while(|s| *s != "")
+        .map(|s| s.chars().collect_vec())
+        .map(|c| c.chunks(4).map(|x| x.to_owned()).collect_vec())
+        .map(|l| l
+            .into_iter()
+            .map(|x| x.into_iter().collect::<String>())
+            .collect_vec())
+        .map(|l| l.into_iter().map(|x| x.trim_matches(to_strip).to_owned()).collect_vec())
+        .take_while(|v| v[0] != "1")
+        .collect_vec();
+    
+    let initial_data = transpose(&initial_data);
+
+    let stacks = initial_data.into_iter()
+        .map(|mut l| {l.reverse(); l})
+        .map(|l| l.into_iter().take_while(|s| *s != "").collect_vec())
+        .collect_vec();
+
+    let moves = lines
+        .dropping(1)
+        .filter(|s| *s != "")
+        .map(|s| s.split(" ").collect_vec())
+        .map(|p| (p[1].parse::<usize>().unwrap(), p[3].parse::<usize>().unwrap(), p[5].parse::<usize>().unwrap()))
+        .collect_vec();
+
+    let final_state = moves
+        .into_iter()
+        .fold(stacks, execute_move);
+
+    print_state(&final_state);
+
+    let answer = final_state
+        .into_iter()
+        .map(|mut l| l.pop().unwrap())
+        .join("");
+
+    println!("{answer}");
+
+    return Ok(());
+}
+
+
+fn execute_move(mut stacks: Vec<Vec<String>>, (count, from, to): (usize, usize, usize)) -> Vec<Vec<String>> {
+    // print_state(&stacks);
+    // println!("move {count} from {from} to {to}");
+    let mut values = (0..count).map(|_| stacks[from - 1].pop().unwrap()).collect_vec();
+    values.reverse();
+    values.into_iter().for_each(|v| stacks[to - 1].push(v));
+    
+    return stacks;
+}
+
+
+fn print_state(stacks: &Vec<Vec<String>>) {
+    let lines = (0..(stacks.iter().map(|v| v.len()).max().unwrap()))
+        .map(|i| stacks
+            .iter()
+            .map(|inner| {if inner.len() > i {inner[i].clone()} else {" ".to_owned()}})
+            .collect_vec())
+        .collect_vec();
+    
+    lines
+        .into_iter()
+        .map(|l| l.into_iter().map(|s| {if s == "" {" ".to_owned()} else {s}}).collect_vec())
+        .for_each(|l| println!("{:?}", l));
+}
+
+
+fn transpose<T>(v: &Vec<Vec<T>>) -> Vec<Vec<T>>
+where
+    T: Clone,
+{
+    assert!(!v.is_empty());
+    (0..v[0].len())
+        .map(|i| v.iter().map(|inner| inner[i].clone()).collect::<Vec<T>>())
+        .collect()
+}