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Close to part 2?

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This commit is contained in:
Daniel Flanagan 2022-12-15 17:01:37 -06:00
parent 19d68fcfbd
commit 2489f77aab
Signed by: lytedev
GPG key ID: 5B2020A0F9921EF4
1 changed files with 20 additions and 7 deletions
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27
2022/rust/src/day14.rs
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@ -58,7 +58,6 @@ const SAND_LOC: XY = (0, 0);
fn fall_to_first_empty_or_void(map: &Map, void_height: i32) -> Result<XY, ()> { fn fall_to_first_empty_or_void(map: &Map, void_height: i32) -> Result<XY, ()> {
let (mut x, mut y) = (0, 0); let (mut x, mut y) = (0, 0);
while y < void_height { while y < void_height {
println!("{}", y);
let ny = y + 1; let ny = y + 1;
match [(x, ny), (x - 1, ny), (x + 1, ny)] match [(x, ny), (x - 1, ny), (x + 1, ny)]
.iter() .iter()
@ -84,16 +83,30 @@ fn part1(input: &mut Input) -> Answer {
result result
} }
fn part2(input: &Input) -> Answer { fn part2(input: &mut Input) -> Answer {
0 println!("{}", input.low_point);
let mut result = 0;
{
let y = input.low_point + 1;
for x in -1000..1000 {
input.map.insert((x, y), '#');
}
}
while input.map.get(&(0, 0)).is_none() {
let (x, y) = fall_to_first_empty_or_void(&input.map, input.low_point + 2).unwrap();
println!("sand at {}, {}", x, y);
input.map.insert((x, y), 'O');
result += 1;
}
result
} }
fn main() { fn main() {
let input_text = common::day_input(14); let input_text = common::day_input(14);
eprintln!("{}\n\nAbove is your input file.\n\n", input_text); eprintln!("{}\n\nAbove is your input file.\n\n", input_text);
let mut input = processed_input(&input_text); let mut input = processed_input(&input_text);
let input2 = processed_input(&input_text); let mut input2 = processed_input(&input_text);
common::show_answers(&part1(&mut input), &part2(&input2)) common::show_answers(&part1(&mut input), &part2(&mut input2))
// common::show_both_answers(&both_parts(&input)) // common::show_both_answers(&both_parts(&input))
} }
@ -112,8 +125,8 @@ mod tests {
fn test() { fn test() {
let mut input = processed_input(TEST_INPUT); let mut input = processed_input(TEST_INPUT);
assert_eq!(part1(&mut input), 24); assert_eq!(part1(&mut input), 24);
let input2 = processed_input(TEST_INPUT); let mut input2 = processed_input(TEST_INPUT);
assert_eq!(part2(&input2), 0); assert_eq!(part2(&mut input2), 93);
// assert_eq!(both_parts(&input), (0, 0)); // assert_eq!(both_parts(&input), (0, 0));
} }
} }