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a3f3964e96
Author | SHA1 | Date | |
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a3f3964e96 | ||
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289ae15cc5 |
23 changed files with 635 additions and 25 deletions
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@ -28,6 +28,7 @@ fn main() -> Result<()> {
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4 => AocDayFourSolution,
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5 => AocDayFiveSolution,
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6 => AocDaySixSolution,
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7 => AocDaySevenSolution,
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};
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Ok(())
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTenSolution;
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impl AocSolution for AocDayTenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_10.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayElevenSolution;
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impl AocSolution for AocDayElevenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_11.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwelveSolution;
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impl AocSolution for AocDayTwelveSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_12.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayThirteenSolution;
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impl AocSolution for AocDayThirteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_13.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayFourteenSolution;
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impl AocSolution for AocDayFourteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_14.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayFifteenSolution;
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impl AocSolution for AocDayFifteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_15.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDaySixteenSolution;
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impl AocSolution for AocDaySixteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_16.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDaySeventeenSolution;
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impl AocSolution for AocDaySeventeenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_17.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayEighteenSolution;
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impl AocSolution for AocDayEighteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_18.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayNineteenSolution;
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impl AocSolution for AocDayNineteenSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_19.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentySolution;
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impl AocSolution for AocDayTwentySolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_20.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentyOneSolution;
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impl AocSolution for AocDayTwentyOneSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_21.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
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@ -1 +1,26 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentyTwoSolution;
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impl AocSolution for AocDayTwentyTwoSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_22.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
|
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@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentyThreeSolution;
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impl AocSolution for AocDayTwentyThreeSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_23.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
|
|
@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentyFourSolution;
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impl AocSolution for AocDayTwentyFourSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_24.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
|
|
@ -1 +1,25 @@
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use std::{fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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pub struct AocDayTwentyFiveSolution;
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impl AocSolution for AocDayTwentyFiveSolution {
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type Output = u64;
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fn get_input(&self, path: Option<&Path>) -> Result<String> {
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Ok(match path {
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Some(p) => read_to_string(p)?,
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None => read_to_string("./input/day_day_25.txt")?,
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})
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}
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fn part_one(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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fn part_two(&self, input: &str) -> Result<Self::Output> {
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todo!()
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}
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}
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|
|
|
@ -1,21 +1,21 @@
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use std::{collections::HashMap, fs::read_to_string, path::Path};
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use super::AocSolution;
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use crate::utils::Result;
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use crate::utils::{coord::Coord, Result};
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const DIRS: [(i16, i16); 8] = [
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(1, 0),
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(1, -1),
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(0, -1),
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(-1, -1),
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(-1, 0),
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(-1, 1),
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(0, 1),
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(1, 1),
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const DIRS: [Coord; 8] = [
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Coord::new(1, 0),
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Coord::new(1, -1),
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Coord::new(0, -1),
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Coord::new(-1, -1),
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Coord::new(-1, 0),
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Coord::new(-1, 1),
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Coord::new(0, 1),
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Coord::new(1, 1),
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];
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struct XmasGrid {
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pub grid: HashMap<(i16, i16), char>,
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pub grid: HashMap<Coord, char>,
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}
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impl XmasGrid {
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|
@ -24,22 +24,20 @@ impl XmasGrid {
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grid: src
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.lines()
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.zip(0..)
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.flat_map(|(l, y)| l.chars().zip(0..).map(move |(c, x)| ((x, y), c)))
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.flat_map(|(l, y)| l.chars().zip(0..).map(move |(c, x)| (Coord::new(x, y), c)))
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.collect(),
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}
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}
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fn find_xmas(&self, pos: (i16, i16)) -> usize {
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fn find_xmas(&self, pos: Coord) -> usize {
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let mut tmp = 0;
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for (dx, dy) in DIRS {
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for dir in DIRS {
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let mut found = true;
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let (mut x, mut y) = pos;
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for nxt in ['M', 'A', 'S'] {
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x += dx;
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y += dy;
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let nxt_pos = pos + dir;
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if self.grid.get(&(x, y)) != Some(&nxt) {
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if self.grid.get(&nxt_pos) != Some(&nxt) {
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found = false;
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break;
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}
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|
@ -53,13 +51,13 @@ impl XmasGrid {
|
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tmp
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}
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fn find_x_mas(&self, pos: (i16, i16)) -> usize {
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let (x, y) = pos;
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fn find_x_mas(&self, pos: Coord) -> usize {
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let (x, y) = (pos.x, pos.y);
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||||
|
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let tr = self.grid.get(&(x + 1, y + 1));
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let br = self.grid.get(&(x + 1, y - 1));
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let bl = self.grid.get(&(x - 1, y - 1));
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let tl = self.grid.get(&(x - 1, y + 1));
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let tr = self.grid.get(&Coord::new(x + 1, y + 1));
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let br = self.grid.get(&Coord::new(x + 1, y - 1));
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let bl = self.grid.get(&Coord::new(x - 1, y - 1));
|
||||
let tl = self.grid.get(&Coord::new(x - 1, y + 1));
|
||||
|
||||
match (tr, bl, tl, br) {
|
||||
(Some('S'), Some('M'), Some('M'), Some('S')) => 1,
|
||||
|
|
|
@ -1 +1,177 @@
|
|||
use std::{fs::read_to_string, ops::Mul, path::Path};
|
||||
|
||||
use super::AocSolution;
|
||||
use crate::utils::Result;
|
||||
|
||||
fn compute(nums: &[u64], total: u64) -> bool {
|
||||
let mut equations = vec![false; nums.len() - 1];
|
||||
|
||||
fn _inc_xf(flags: &mut [bool]) {
|
||||
let mut carry = true;
|
||||
for flag in flags.iter_mut().rev() {
|
||||
if !carry {
|
||||
break;
|
||||
}
|
||||
|
||||
let tmp = *flag;
|
||||
*flag = !tmp;
|
||||
carry = tmp;
|
||||
}
|
||||
}
|
||||
|
||||
loop {
|
||||
if equations.iter().zip(1..).fold(
|
||||
nums[0],
|
||||
|n, (&x, idx)| {
|
||||
if x {
|
||||
n * nums[idx]
|
||||
} else {
|
||||
n + nums[idx]
|
||||
}
|
||||
},
|
||||
) == total
|
||||
{
|
||||
return true;
|
||||
} else {
|
||||
if equations.iter().all(|b| *b) {
|
||||
break;
|
||||
}
|
||||
_inc_xf(&mut equations);
|
||||
}
|
||||
}
|
||||
|
||||
false
|
||||
}
|
||||
|
||||
fn concat(n1: u64, n2: u64) -> u64 {
|
||||
format!("{n1}{n2}").parse().unwrap()
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
enum Operation {
|
||||
Add,
|
||||
Mul,
|
||||
Concat,
|
||||
}
|
||||
|
||||
impl Operation {
|
||||
fn inc(self) -> Self {
|
||||
match self {
|
||||
Self::Add => Self::Mul,
|
||||
Self::Mul => Self::Concat,
|
||||
Self::Concat => Self::Add,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn compute_ver_two(nums: &[u64], total: u64) -> bool {
|
||||
let mut equations = vec![Operation::Add; nums.len() - 1];
|
||||
|
||||
fn _inc_xf(flags: &mut [Operation]) {
|
||||
let mut carry = true;
|
||||
for flag in flags.iter_mut().rev() {
|
||||
if !carry {
|
||||
break;
|
||||
}
|
||||
|
||||
let tmp = *flag;
|
||||
*flag = tmp.inc();
|
||||
carry = tmp == Operation::Concat;
|
||||
}
|
||||
}
|
||||
|
||||
loop {
|
||||
if equations
|
||||
.iter()
|
||||
.zip(1..)
|
||||
.fold(nums[0], |n, (&x, idx)| match x {
|
||||
Operation::Add => n + nums[idx],
|
||||
Operation::Mul => n * nums[idx],
|
||||
Operation::Concat => concat(n, nums[idx]),
|
||||
})
|
||||
== total
|
||||
{
|
||||
return true;
|
||||
} else {
|
||||
if equations.iter().all(|b| *b == Operation::Concat) {
|
||||
break;
|
||||
}
|
||||
_inc_xf(&mut equations);
|
||||
}
|
||||
}
|
||||
|
||||
false
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy)]
|
||||
pub struct AocDaySevenSolution;
|
||||
|
||||
impl AocSolution for AocDaySevenSolution {
|
||||
type Output = u64;
|
||||
|
||||
fn get_input(&self, path: Option<&Path>) -> Result<String> {
|
||||
Ok(match path {
|
||||
Some(p) => read_to_string(p)?,
|
||||
None => read_to_string("./input/day_7.txt")?,
|
||||
})
|
||||
}
|
||||
|
||||
fn part_one(&self, input: &str) -> Result<Self::Output> {
|
||||
let mut sum = 0;
|
||||
for line in input.lines() {
|
||||
if let Some((total, nums)) = line.split_once(':') {
|
||||
let total = total.parse::<u64>()?;
|
||||
let nums = nums
|
||||
.split_whitespace()
|
||||
.map(|n| n.parse::<u64>().map_err(|e| e.into()))
|
||||
.collect::<Result<Vec<u64>>>()?;
|
||||
|
||||
if compute(&nums, total) {
|
||||
sum += total;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(sum)
|
||||
}
|
||||
|
||||
fn part_two(&self, input: &str) -> Result<Self::Output> {
|
||||
let mut sum = 0;
|
||||
for line in input.lines() {
|
||||
if let Some((total, nums)) = line.split_once(':') {
|
||||
let total = total.parse::<u64>()?;
|
||||
let nums = nums
|
||||
.split_whitespace()
|
||||
.map(|n| n.parse::<u64>().map_err(|e| e.into()))
|
||||
.collect::<Result<Vec<u64>>>()?;
|
||||
|
||||
if compute_ver_two(&nums, total) {
|
||||
sum += total;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(sum)
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test() {
|
||||
let sol = AocDaySevenSolution;
|
||||
|
||||
assert_eq!(
|
||||
sol.part_one(
|
||||
r#"190: 10 19
|
||||
3267: 81 40 27
|
||||
83: 17 5
|
||||
156: 15 6
|
||||
7290: 6 8 6 15
|
||||
161011: 16 10 13
|
||||
192: 17 8 14
|
||||
21037: 9 7 18 13
|
||||
292: 11 6 16 20"#
|
||||
)
|
||||
.unwrap(),
|
||||
3749
|
||||
);
|
||||
}
|
||||
|
|
|
@ -1 +1,25 @@
|
|||
use std::{fs::read_to_string, path::Path};
|
||||
|
||||
use super::AocSolution;
|
||||
use crate::utils::Result;
|
||||
|
||||
pub struct AocDayEightSolution;
|
||||
|
||||
impl AocSolution for AocDayEightSolution {
|
||||
type Output = u64;
|
||||
|
||||
fn get_input(&self, path: Option<&Path>) -> Result<String> {
|
||||
Ok(match path {
|
||||
Some(p) => read_to_string(p)?,
|
||||
None => read_to_string("./input/day_day_8.txt")?,
|
||||
})
|
||||
}
|
||||
|
||||
fn part_one(&self, input: &str) -> Result<Self::Output> {
|
||||
todo!()
|
||||
}
|
||||
|
||||
fn part_two(&self, input: &str) -> Result<Self::Output> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1 +1,25 @@
|
|||
use std::{fs::read_to_string, path::Path};
|
||||
|
||||
use super::AocSolution;
|
||||
use crate::utils::Result;
|
||||
|
||||
pub struct AocDayNineSolution;
|
||||
|
||||
impl AocSolution for AocDayNineSolution {
|
||||
type Output = u64;
|
||||
|
||||
fn get_input(&self, path: Option<&Path>) -> Result<String> {
|
||||
Ok(match path {
|
||||
Some(p) => read_to_string(p)?,
|
||||
None => read_to_string("./input/day_day_9.txt")?,
|
||||
})
|
||||
}
|
||||
|
||||
fn part_one(&self, input: &str) -> Result<Self::Output> {
|
||||
todo!()
|
||||
}
|
||||
|
||||
fn part_two(&self, input: &str) -> Result<Self::Output> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
|
|
@ -9,7 +9,7 @@ pub struct Coord {
|
|||
}
|
||||
|
||||
impl Coord {
|
||||
pub fn new(x: i16, y: i16) -> Self {
|
||||
pub const fn new(x: i16, y: i16) -> Self {
|
||||
Self { x, y }
|
||||
}
|
||||
}
|
||||
|
|
|
@ -8,6 +8,8 @@ pub type Result<T> = std::result::Result<T, Error>;
|
|||
|
||||
#[derive(thiserror::Error, Debug)]
|
||||
pub enum Error {
|
||||
#[error("Error parsing integer: {0}")]
|
||||
ParseNumErr(#[from] std::num::ParseIntError),
|
||||
#[error("IO error: {0}")]
|
||||
Io(#[from] std::io::Error),
|
||||
#[error("Invalid command usage: {0}")]
|
||||
|
|
Loading…
Reference in a new issue