From cf6303a5bc1558ebdb7b467da38f74cd3ac3a9b1 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Mon, 5 Dec 2022 19:46:06 +0100
Subject: Add 2022

---
 day4/src/main.rs | 107 -------------------------------------------------------
 1 file changed, 107 deletions(-)
 delete mode 100644 day4/src/main.rs

(limited to 'day4/src')

diff --git a/day4/src/main.rs b/day4/src/main.rs
deleted file mode 100644
index 4b2f9b3..0000000
--- a/day4/src/main.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-use std::fs::File;
-use std::io::{BufRead, BufReader};
-
-fn part1(grids: &Vec<Vec<u32>>, mut inputs: Vec<u32>) -> u32 {
-    let mut values = Vec::<u32>::new();
-
-    for _ in 0..4 {
-        values.push(inputs.remove(0));
-    }
-
-    let mut winner: i8 = -1;
-    for input in inputs {
-        if winner >= 0 {
-            break;
-        }
-        values.push(input);
-        for i in 0..grids.len() {
-            // Search by rows
-            for j in [0, 5, 10, 15, 20] {
-                let mut n = 0;
-                for k in 0..5 {
-                    let x = grids[i][j + k];
-                    if values.iter().any(|&i| i == x) {
-                        n += 1;
-                    }
-                }
-                if n == 5 {
-                    winner = i as i8;
-                }
-            }
-
-            // Search by cols
-            if winner < 0 {
-                for j in 0..5 {
-                    let mut n = 0;
-                    for k in [0, 5, 10, 15, 20] {
-                        let x = grids[i][j + k];
-                        if values.iter().any(|&i| i == x) {
-                            n += 1;
-                        }
-                    }
-                    if n == 5 {
-                        winner = i as i8;
-                    }
-                }
-            }
-
-            if winner >= 0 {
-                break;
-            }
-        }
-    }
-
-    let mut sum = 0;
-    for x in &grids[winner as usize] {
-        if values.iter().any(|&i| i == *x) {
-            continue;
-        }
-
-        sum += x;
-    }
-
-    sum * values.pop().unwrap()
-}
-
-fn main() -> std::io::Result<()> {
-    let file = File::open("input.txt")?;
-    let reader = BufReader::new(file);
-    let mut lines = reader.lines();
-
-    let inputs: Vec<_> = lines
-        .next()
-        .unwrap()
-        .unwrap()
-        .trim()
-        .split(',')
-        .map(|x| x.parse::<u32>().unwrap())
-        .collect::<Vec<u32>>();
-
-    let mut grids: Vec<Vec<u32>> = vec![];
-    let mut n: usize = 0;
-
-    lines.next(); // Ignore the first empty line
-    while let Some(line) = lines.next() {
-        let mut line = line.unwrap();
-        grids.push(Vec::with_capacity(5 * 5));
-
-        for _ in 0..5 {
-            grids[n].extend(
-                line.trim()
-                    .split(' ')
-                    .filter(|x| !x.is_empty())
-                    .map(|x| x.parse::<u32>().unwrap())
-                    .collect::<Vec<u32>>(),
-            );
-            line = match lines.next() {
-                Some(x) => x.unwrap(),
-                None => "".to_string(),
-            };
-        }
-        n += 1;
-    }
-
-    println!("{}", part1(&grids, inputs.clone()));
-
-    Ok(())
-}
-- 
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