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Finish day 4

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Bearmine
2025-05-29 22:02:50 -05:00
parent bd64b51683
commit 6730dd1a80
3 changed files with 193 additions and 14 deletions
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104
day_04/src/crossword.rs
View File

@@ -28,18 +28,24 @@ impl<'a> CrosswordCell<'a> {
self.value_by_index(self.x, self.y)
}
fn take(&self, num_of_letters: usize, direction: (isize, isize)) -> String {
fn take(&self, num_of_letters: usize, direction: (isize, isize), start: isize) -> String {
let mut word = String::new();
for i in 0..num_of_letters {
let x = self.x as isize + (i as isize * direction.1);
let y = self.y as isize + (i as isize * direction.0);
let end = start + num_of_letters as isize;
for i in start..end {
let x = self.x as isize + (i * direction.1);
let y = self.y as isize + (i * direction.0);
if x < 0
|| x >= self.crossword.width as isize
|| y < 0
|| y >= self.crossword.height as isize
{
break;
if i < 0 {
continue;
} else {
break;
}
}
word.push(self.value_by_index(x as usize, y as usize));
}
@@ -47,36 +53,76 @@ impl<'a> CrosswordCell<'a> {
word
}
const DIRECTION_N: (isize, isize) = (-1, 0);
pub fn n(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (-1, 0))
self.take(num_of_letters, CrosswordCell::DIRECTION_N, 0)
}
pub fn n2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_N, start)
}
const DIRECTION_NE: (isize, isize) = (-1, 1);
pub fn ne(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (-1, 1))
self.take(num_of_letters, CrosswordCell::DIRECTION_NE, 0)
}
pub fn ne2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_NE, start)
}
const DIRECTION_E: (isize, isize) = (0, 1);
pub fn e(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (0, 1))
self.take(num_of_letters, CrosswordCell::DIRECTION_E, 0)
}
pub fn e2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_E, start)
}
const DIRECTION_SE: (isize, isize) = (1, 1);
pub fn se(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (1, 1))
self.take(num_of_letters, CrosswordCell::DIRECTION_SE, 0)
}
pub fn se2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_SE, start)
}
const DIRECTION_S: (isize, isize) = (1, 0);
pub fn s(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (1, 0))
self.take(num_of_letters, CrosswordCell::DIRECTION_S, 0)
}
pub fn s2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_S, start)
}
const DIRECTION_SW: (isize, isize) = (1, -1);
pub fn sw(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (1, -1))
self.take(num_of_letters, CrosswordCell::DIRECTION_SW, 0)
}
pub fn sw2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_SW, start)
}
const DIRECTION_W: (isize, isize) = (0, -1);
pub fn w(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (0, -1))
self.take(num_of_letters, CrosswordCell::DIRECTION_W, 0)
}
pub fn w2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_W, start)
}
const DIRECTION_NW: (isize, isize) = (-1, -1);
pub fn nw(&self, num_of_letters: usize) -> String {
self.take(num_of_letters, (-1, -1))
self.take(num_of_letters, CrosswordCell::DIRECTION_NW, 0)
}
pub fn nw2(&self, num_of_letters: usize, start: isize) -> String {
self.take(num_of_letters, CrosswordCell::DIRECTION_NW, start)
}
}
@@ -198,6 +244,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).n(1), "5");
assert_eq!(crossword.cell(1, 1).n(2), "52");
assert_eq!(crossword.cell(1, 1).n(3), "52");
assert_eq!(crossword.cell(1, 1).n2(3, 1), "2");
assert_eq!(crossword.cell(1, 1).n2(3, 0), "52");
assert_eq!(crossword.cell(1, 1).n2(3, -1), "852");
assert_eq!(crossword.cell(1, 1).n2(3, -2), "85");
}
#[test]
@@ -207,6 +257,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).ne(1), "5");
assert_eq!(crossword.cell(1, 1).ne(2), "53");
assert_eq!(crossword.cell(1, 1).ne(3), "53");
assert_eq!(crossword.cell(1, 1).ne2(3, 1), "3");
assert_eq!(crossword.cell(1, 1).ne2(3, 0), "53");
assert_eq!(crossword.cell(1, 1).ne2(3, -1), "753");
assert_eq!(crossword.cell(1, 1).ne2(3, -2), "75");
}
#[test]
@@ -216,6 +270,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).e(1), "5");
assert_eq!(crossword.cell(1, 1).e(2), "56");
assert_eq!(crossword.cell(1, 1).e(3), "56");
assert_eq!(crossword.cell(1, 1).e2(3, 1), "6");
assert_eq!(crossword.cell(1, 1).e2(3, 0), "56");
assert_eq!(crossword.cell(1, 1).e2(3, -1), "456");
assert_eq!(crossword.cell(1, 1).e2(3, -2), "45");
}
#[test]
@@ -225,6 +283,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).se(1), "5");
assert_eq!(crossword.cell(1, 1).se(2), "59");
assert_eq!(crossword.cell(1, 1).se(3), "59");
assert_eq!(crossword.cell(1, 1).se2(3, 1), "9");
assert_eq!(crossword.cell(1, 1).se2(3, 0), "59");
assert_eq!(crossword.cell(1, 1).se2(3, -1), "159");
assert_eq!(crossword.cell(1, 1).se2(3, -2), "15");
}
#[test]
@@ -234,6 +296,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).s(1), "5");
assert_eq!(crossword.cell(1, 1).s(2), "58");
assert_eq!(crossword.cell(1, 1).s(3), "58");
assert_eq!(crossword.cell(1, 1).s2(3, 1), "8");
assert_eq!(crossword.cell(1, 1).s2(3, 0), "58");
assert_eq!(crossword.cell(1, 1).s2(3, -1), "258");
assert_eq!(crossword.cell(1, 1).s2(3, -2), "25");
}
#[test]
@@ -243,6 +309,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).sw(1), "5");
assert_eq!(crossword.cell(1, 1).sw(2), "57");
assert_eq!(crossword.cell(1, 1).sw(3), "57");
assert_eq!(crossword.cell(1, 1).sw2(3, 1), "7");
assert_eq!(crossword.cell(1, 1).sw2(3, 0), "57");
assert_eq!(crossword.cell(1, 1).sw2(3, -1), "357");
assert_eq!(crossword.cell(1, 1).sw2(3, -2), "35");
}
#[test]
@@ -252,6 +322,10 @@ mod tests {
assert_eq!(crossword.cell(1, 1).w(1), "5");
assert_eq!(crossword.cell(1, 1).w(2), "54");
assert_eq!(crossword.cell(1, 1).w(3), "54");
assert_eq!(crossword.cell(1, 1).w2(3, 1), "4");
assert_eq!(crossword.cell(1, 1).w2(3, 0), "54");
assert_eq!(crossword.cell(1, 1).w2(3, -1), "654");
assert_eq!(crossword.cell(1, 1).w2(3, -2), "65");
}
#[test]
@@ -261,5 +335,9 @@ mod tests {
assert_eq!(crossword.cell(1, 1).nw(1), "5");
assert_eq!(crossword.cell(1, 1).nw(2), "51");
assert_eq!(crossword.cell(1, 1).nw(3), "51");
assert_eq!(crossword.cell(1, 1).nw2(3, 1), "1");
assert_eq!(crossword.cell(1, 1).nw2(3, 0), "51");
assert_eq!(crossword.cell(1, 1).nw2(3, -1), "951");
assert_eq!(crossword.cell(1, 1).nw2(3, -2), "95");
}
}

18
day_04/src/main.rs
View File

@@ -2,6 +2,8 @@
//
// Run command: cargo run ./input.txt
#![allow(dead_code)]
use std::env;
use std::error::Error;
use std::fs::File;
@@ -64,9 +66,23 @@ fn main() -> Result<(), Box<dyn Error>> {
}
println!(
"Count of the work '{}' in crossword: {}",
"Count of the word '{}' in crossword: {}",
word_to_find, count
);
let mas = "MAS".to_owned();
let mas_rev = mas.chars().rev().collect::<String>();
let mut count = 0;
for cell in crossword.iter_cells() {
let se_word = cell.se2(3, -1);
let sw_word = cell.sw2(3, -1);
if (se_word == mas || se_word == mas_rev) && (sw_word == mas || sw_word == mas_rev) {
count += 1;
}
}
println!("Count of the MAS Xes in crossword: {}", count);
Ok(())
}