From db2686c798378738020a0951a521358586e21aa0 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Fri, 9 Feb 2024 11:42:04 +0100
Subject: Add day2 in OCaml

---
 2023/day9/src/lib.rs | 122 ---------------------------------------------------
 1 file changed, 122 deletions(-)
 delete mode 100644 2023/day9/src/lib.rs

(limited to '2023/day9/src')

diff --git a/2023/day9/src/lib.rs b/2023/day9/src/lib.rs
deleted file mode 100644
index a1b0588..0000000
--- a/2023/day9/src/lib.rs
+++ /dev/null
@@ -1,122 +0,0 @@
-pub fn part1(input: &str) -> i32 {
-    let mut res: i32 = 0;
-
-    let m: Vec<Vec<i32>> = input
-        .trim_end()
-        .split('\n')
-        .map(|x| {
-            x.split(' ')
-                .map(|y| y.parse::<i32>().unwrap())
-                .collect::<Vec<i32>>()
-        })
-        .collect();
-
-    for i in m {
-        let mut aux: Vec<Vec<i32>> = vec![i];
-
-        let mut z = 1;
-        loop {
-            aux.push(vec![]);
-            for j in 1..aux[z - 1].len() {
-                let x = aux[z - 1][j] - aux[z - 1][j - 1];
-                aux[z].push(x);
-            }
-
-            if aux[z].iter().filter(|&k| *k != 0).count() == 0 {
-                aux[z].push(0);
-                break;
-            }
-
-            z += 1;
-        }
-
-        let n = aux.len() - 1;
-        for j in (0..n).rev() {
-            let t = aux[j + 1][aux[j + 1].len() - 1];
-            let r = aux[j][aux[j].len() - 1];
-            aux[j].push(t + r);
-        }
-
-        res += aux[0][aux[0].len() - 1];
-    }
-
-    res
-}
-
-pub fn part2(input: &str) -> i32 {
-    let mut res: i32 = 0;
-
-    let m: Vec<Vec<i32>> = input
-        .trim_end()
-        .split('\n')
-        .map(|x| {
-            x.split(' ')
-                .map(|y| y.parse::<i32>().unwrap())
-                .collect::<Vec<i32>>()
-        })
-        .collect();
-
-    for i in m {
-        let mut aux: Vec<Vec<i32>> = vec![i];
-
-        let mut z = 1;
-        loop {
-            aux.push(vec![]);
-            for j in 1..aux[z - 1].len() {
-                let x = aux[z - 1][j] - aux[z - 1][j - 1];
-                aux[z].push(x);
-            }
-
-            if aux[z].iter().filter(|&k| *k != 0).count() == 0 {
-                aux[z].push(0);
-                break;
-            }
-
-            z += 1;
-        }
-
-        let n = aux.len() - 1;
-        for j in (0..n).rev() {
-            let t = aux[j + 1][0];
-            let r = aux[j][0];
-            aux[j].insert(0, r - t);
-        }
-
-        res += aux[0][0];
-    }
-
-    res
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn example_part1() {
-        let input = include_str!("../example.txt");
-        let result = part1(input);
-        assert_eq!(result, 114);
-    }
-
-    #[test]
-    fn input_part1() {
-        let input = include_str!("../input.txt");
-        let result = part1(input);
-        assert_eq!(result, 2008960228);
-    }
-
-    #[test]
-    fn example_part2() {
-        let input = include_str!("../example.txt");
-        let result = part2(input);
-        assert_eq!(result, 2);
-    }
-
-    #[test]
-    fn input_part2() {
-        let input = include_str!("../input.txt");
-        let result = part2(input);
-        assert_eq!(result, 71585);
-    }
-}
-- 
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