mirror of
https://github.com/kristoferssolo/Advent-of-Code.git
synced 2025-10-21 18:00:35 +00:00
Merge branch 'day-12'
This commit is contained in:
Kristofers Solo
commit
4673bdf9b4
45
2023/Cargo.lock
generated
45
2023/Cargo.lock
generated
@ -97,9 +97,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-deque"
|
||||
version = "0.8.3"
|
||||
version = "0.8.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
|
||||
checksum = "fca89a0e215bab21874660c67903c5f143333cab1da83d041c7ded6053774751"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"crossbeam-epoch",
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||||
@ -108,22 +108,21 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-epoch"
|
||||
version = "0.9.15"
|
||||
version = "0.9.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
|
||||
checksum = "2d2fe95351b870527a5d09bf563ed3c97c0cffb87cf1c78a591bf48bb218d9aa"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
"cfg-if",
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"crossbeam-utils",
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"memoffset",
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"scopeguard",
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]
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[[package]]
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name = "crossbeam-utils"
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version = "0.8.16"
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version = "0.8.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "5a22b2d63d4d1dc0b7f1b6b2747dd0088008a9be28b6ddf0b1e7d335e3037294"
|
||||
checksum = "c06d96137f14f244c37f989d9fff8f95e6c18b918e71f36638f8c49112e4c78f"
|
||||
dependencies = [
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"cfg-if",
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]
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@ -217,6 +216,8 @@ name = "day-12"
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version = "0.1.0"
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dependencies = [
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"color-eyre",
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"itertools",
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"nom",
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]
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[[package]]
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@ -227,9 +228,9 @@ checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
|
||||
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||||
[[package]]
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||||
name = "eyre"
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||||
version = "0.6.9"
|
||||
version = "0.6.11"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "80f656be11ddf91bd709454d15d5bd896fbaf4cc3314e69349e4d1569f5b46cd"
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checksum = "b6267a1fa6f59179ea4afc8e50fd8612a3cc60bc858f786ff877a4a8cb042799"
|
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dependencies = [
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"indenter",
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"once_cell",
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@ -276,9 +277,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "libc"
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version = "0.2.150"
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version = "0.2.151"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
|
||||
checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
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[[package]]
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name = "memchr"
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@ -344,9 +345,9 @@ dependencies = [
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[[package]]
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name = "once_cell"
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version = "1.18.0"
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version = "1.19.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
|
||||
checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
|
||||
|
||||
[[package]]
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name = "owo-colors"
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@ -404,12 +405,6 @@ version = "0.1.23"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
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||||
|
||||
[[package]]
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name = "scopeguard"
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||||
version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
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[[package]]
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name = "sharded-slab"
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version = "0.1.7"
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@ -421,9 +416,9 @@ dependencies = [
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[[package]]
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name = "syn"
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version = "2.0.39"
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version = "2.0.41"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
|
||||
checksum = "44c8b28c477cc3bf0e7966561e3460130e1255f7a1cf71931075f1c5e7a7e269"
|
||||
dependencies = [
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"proc-macro2",
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"quote",
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@ -432,18 +427,18 @@ dependencies = [
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[[package]]
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name = "thiserror"
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version = "1.0.50"
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version = "1.0.51"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
|
||||
checksum = "f11c217e1416d6f036b870f14e0413d480dbf28edbee1f877abaf0206af43bb7"
|
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dependencies = [
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"thiserror-impl",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.50"
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version = "1.0.51"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
|
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checksum = "01742297787513b79cf8e29d1056ede1313e2420b7b3b15d0a768b4921f549df"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -7,3 +7,5 @@ edition = "2021"
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[dependencies]
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color-eyre.workspace = true
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itertools.workspace = true
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nom.workspace = true
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@ -1,125 +1,89 @@
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use std::str::FromStr;
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use color_eyre::Result;
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use itertools::{repeat_n, Itertools};
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use nom::{
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bytes::complete::{is_a, tag},
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character::complete::{self, space1},
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multi::separated_list1,
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sequence::separated_pair,
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IResult,
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};
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#[derive(Debug, Clone, Copy, PartialEq)]
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enum SpringStatus {
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Operational,
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Unknown,
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Damaged,
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#[derive(Debug)]
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struct Puzzle {
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spaces_to_fill: usize,
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line: String,
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batches: Vec<usize>,
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}
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#[derive(Debug, Clone, PartialEq, Default)]
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struct Spring {
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status: Vec<SpringStatus>,
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condition: Vec<usize>,
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}
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impl Spring {
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fn arragement_amount(&self) -> usize {
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let mut combinations = vec![vec![]];
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for status in &self.status {
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let mut new_combinations = Vec::new();
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for combination in &combinations {
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match status {
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SpringStatus::Operational => {
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let mut new_combination = combination.clone();
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new_combination.push(*status);
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new_combinations.push(new_combination);
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}
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SpringStatus::Unknown => {
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let mut new_combination = combination.clone();
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new_combination.push(SpringStatus::Operational);
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new_combinations.push(new_combination);
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let mut new_combination = combination.clone();
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new_combination.push(SpringStatus::Damaged);
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new_combinations.push(new_combination);
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}
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SpringStatus::Damaged => {
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let mut new_combination = combination.clone();
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new_combination.push(*status);
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new_combinations.push(new_combination);
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}
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}
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}
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combinations = new_combinations;
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}
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let combinations = combinations
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.iter()
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.map(|combination| {
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let mut combination_status: Vec<usize> = Vec::new();
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let mut count = 0;
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combination.iter().for_each(|status| {
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match status {
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SpringStatus::Operational => {
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if count > 0 {
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combination_status.push(count);
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}
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count = 0;
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}
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SpringStatus::Damaged => count += 1,
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SpringStatus::Unknown => unimplemented!("Should not happen"),
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};
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});
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if count > 0 {
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combination_status.push(count);
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}
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combination_status
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})
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.filter(|status| status == &self.condition);
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combinations.count()
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impl Puzzle {
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fn generate_permutations(&self) -> impl Iterator<Item = String> {
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repeat_n([".", "#"].into_iter(), self.spaces_to_fill)
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.multi_cartesian_product()
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.map(|x| x.join(""))
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}
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}
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impl FromStr for Spring {
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type Err = color_eyre::Report;
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fn from_str(s: &str) -> std::prelude::v1::Result<Self, Self::Err> {
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let line = s.split_whitespace().collect::<Vec<_>>();
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let status = line
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.first()
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.unwrap()
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fn check_option(&self, option: &str) -> bool {
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let mut option_iter = option.chars();
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let filled_option = self
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.line
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.chars()
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.map(|ch| match ch {
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'?' => SpringStatus::Unknown,
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'.' => SpringStatus::Operational,
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'#' => SpringStatus::Damaged,
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_ => unreachable!(),
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'?' => option_iter
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.next()
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.expect("Should have a len similar to needed gaps"),
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value => value,
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})
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.collect::<Vec<_>>();
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let condition = line
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.last()
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.unwrap()
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.split(',')
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.map(|s| s.parse::<usize>().unwrap())
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.collect::<Vec<_>>();
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let mut new_status = status.clone();
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let mut new_condition = condition.clone();
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for _ in 0..4 {
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new_status.push(SpringStatus::Unknown);
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new_status.extend(status.clone().iter());
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new_condition.extend(condition.clone().iter());
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}
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dbg!(&new_status, &new_condition);
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Ok(Self {
|
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status: new_status,
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condition: new_condition,
|
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})
|
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.collect::<String>();
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let counts = filled_option
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.chars()
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.group_by(|ch| ch == &'#')
|
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.into_iter()
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.filter_map(|(is_hashes, group)| is_hashes.then_some(group.into_iter().count()))
|
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.collect_vec();
|
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&self.batches[..] == &counts[..]
|
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}
|
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|
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fn possible_solution_count(&self) -> usize {
|
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let count = self
|
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.generate_permutations()
|
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.filter(|option| self.check_option(option))
|
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.count();
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count
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}
|
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}
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|
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fn parse_line(input: &str) -> IResult<&str, Puzzle> {
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let (input, (line, batches)) = separated_pair(
|
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is_a("?.#"),
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space1,
|
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separated_list1(tag(","), complete::u32),
|
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)(input)?;
|
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let expanded_line = std::iter::repeat(line).take(5).join("?");
|
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let spaces_to_fill = expanded_line.chars().filter(|ch| ch != &'?').count();
|
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Ok((
|
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input,
|
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Puzzle {
|
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spaces_to_fill,
|
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line: expanded_line,
|
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batches: std::iter::repeat(batches)
|
||||
.take(5)
|
||||
.flatten()
|
||||
.map(|x| x as usize)
|
||||
.collect(),
|
||||
},
|
||||
))
|
||||
}
|
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|
||||
pub fn process(input: &str) -> Result<usize> {
|
||||
let springs = input.lines().map(|line| {
|
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Spring::from_str(line)
|
||||
.unwrap_or_default()
|
||||
.arragement_amount()
|
||||
});
|
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Ok(springs.sum())
|
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let puzzles = input
|
||||
.lines()
|
||||
.map(parse_line)
|
||||
.collect::<std::result::Result<Vec<(&str, Puzzle)>, nom::Err<nom::error::Error<&str>>>>()
|
||||
.expect("Parsisng to succeed");
|
||||
let sum = puzzles
|
||||
.iter()
|
||||
.map(|(_, puzzle)| puzzle.possible_solution_count());
|
||||
Ok(sum.sum())
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
@ -137,110 +101,4 @@ mod tests {
|
||||
assert_eq!(525152, process(input)?);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_str() -> Result<()> {
|
||||
let input = "???.### 1,1,3";
|
||||
let spring = Spring::from_str(input)?;
|
||||
assert_eq!(
|
||||
vec![
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Operational,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Operational,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Operational,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Operational,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Unknown,
|
||||
SpringStatus::Operational,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
SpringStatus::Damaged,
|
||||
],
|
||||
spring.status
|
||||
);
|
||||
assert_eq!(
|
||||
vec![1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 3, 1, 1, 3],
|
||||
spring.condition
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_1() -> Result<()> {
|
||||
assert_eq!(1, Spring::from_str("???.### 1,1,3")?.arragement_amount());
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_2() -> Result<()> {
|
||||
assert_eq!(
|
||||
16384,
|
||||
Spring::from_str(".??..??...?##. 1,1,3")?.arragement_amount()
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_3() -> Result<()> {
|
||||
assert_eq!(
|
||||
1,
|
||||
Spring::from_str("?#?#?#?#?#?#?#? 1,3,1,6")?.arragement_amount()
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_4() -> Result<()> {
|
||||
assert_eq!(
|
||||
16,
|
||||
Spring::from_str("????.#...#... 4,1,1")?.arragement_amount()
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_5() -> Result<()> {
|
||||
assert_eq!(
|
||||
2500,
|
||||
Spring::from_str("????.######..#####. 1,6,5")?.arragement_amount()
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_line_6() -> Result<()> {
|
||||
assert_eq!(
|
||||
506250,
|
||||
Spring::from_str("?###???????? 3,2,1")?.arragement_amount()
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
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Block a user