30 lines
642 B
Rust
30 lines
642 B
Rust
|
const DATA: &'static str = "
|
||
|
|
[D]
|
||
|
|
[N] [C]
|
||
|
|
[Z] [M] [P]
|
||
|
|
1 2 3
|
||
|
|
|
||
|
|
move 1 from 2 to 1
|
||
|
|
move 3 from 1 to 3
|
||
|
|
move 2 from 2 to 1
|
||
|
|
move 1 from 1 to 2
|
||
|
|
";
|
||
|
|
|
||
|
|
|
||
|
|
struct State {
|
||
|
|
stacks: Vec<Vec<char>>,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl std::str::FromStr for State {
|
||
|
|
fn from_str(data: &str) -> State {
|
||
|
|
let lines: Vec<&str> = data.lines().collect();
|
||
|
|
let mut stacks = Vec::new(Vec::new());
|
||
|
|
// skip the first row, because it's just the stack numbers
|
||
|
|
for row in lines.rev().skip(1) {
|
||
|
|
for (i, ident) in row.split(' ') {
|
||
|
|
let ident = ident.trim_matches(|c| c == '[' || c == ']');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|