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/day4/src/lib.rs | 132 ---------------------------------------------------
 1 file changed, 132 deletions(-)
 delete mode 100644 2023/day4/src/lib.rs

(limited to '2023/day4/src/lib.rs')

diff --git a/2023/day4/src/lib.rs b/2023/day4/src/lib.rs
deleted file mode 100644
index ca38b56..0000000
--- a/2023/day4/src/lib.rs
+++ /dev/null
@@ -1,132 +0,0 @@
-fn parse(input: &str) -> Vec<String> {
-    input
-        .trim_end()
-        .split('\n')
-        .map(|x| {
-            let b = x.to_string();
-            let k = b.split(':').last().unwrap();
-
-            return k.trim().to_string();
-        })
-        .collect()
-}
-
-pub fn part1(input: &str) -> u32 {
-    let mut res: u32 = 0;
-
-    let cards: Vec<String> = parse(input);
-    for card in cards {
-        let numbers: Vec<String> = card.split('|').map(|x| x.trim().to_string()).collect();
-        assert_eq!(numbers.len(), 2);
-
-        let nums: Vec<Vec<_>> = numbers
-            .iter()
-            .map(|x| {
-                x.replace("  ", " ")
-                    .split(' ')
-                    .map(|x| x.trim().parse::<u32>().unwrap())
-                    .collect()
-            })
-            .collect();
-
-        assert_eq!(nums.len(), 2);
-        let (winnings, plays) = (&nums[0], &nums[1]);
-
-        let mut k = 0.5;
-        for win in winnings {
-            if plays.contains(&win) {
-                k *= 2.;
-            }
-        }
-        res += k as u32;
-    }
-
-    res
-}
-
-//
-//
-//
-// 1 -> 4 | x
-// 2 -> 2 | y x
-// 3 -> 2 | y y y x
-// 4 -> 1 | y y y y y y y x
-// 5 -> 0 | y y y y y y y y y y y y y x
-// 6 -> 0 | x
-//
-//
-pub fn part2(input: &str) -> u32 {
-    let mut res: u32 = 0;
-
-    let cards: Vec<String> = parse(input);
-    let mut incr: Vec<u32> = Vec::new();
-    incr.resize_with(cards.len(), Default::default);
-
-    let mut i = 0;
-    for card in cards {
-        let numbers: Vec<String> = card.split('|').map(|x| x.trim().to_string()).collect();
-        assert_eq!(numbers.len(), 2);
-
-        let nums: Vec<Vec<_>> = numbers
-            .iter()
-            .map(|x| {
-                x.replace("  ", " ")
-                    .split(' ')
-                    .map(|x| x.trim().parse::<u32>().unwrap())
-                    .collect()
-            })
-            .collect();
-
-        assert_eq!(nums.len(), 2);
-        let (winnings, plays) = (&nums[0], &nums[1]);
-
-        let mut k = 0;
-        for win in winnings {
-            if plays.contains(&win) {
-                k += 1;
-            }
-        }
-
-        for j in (i + 1)..(i + 1 + k) {
-            incr[j] += 1 + incr[i];
-        }
-
-        res += 1 + incr[i];
-        i += 1;
-    }
-
-    res
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn example_part1() {
-        let input = include_str!("../example.txt");
-        let result = part1(input);
-        assert_eq!(result, 13);
-    }
-
-    #[test]
-    fn input_part1() {
-        let input = include_str!("../input.txt");
-        let result = part1(input);
-        assert_eq!(result, 25174);
-    }
-
-    #[test]
-    fn example_part2() {
-        let input = include_str!("../example.txt");
-        let result = part2(input);
-        assert_eq!(result, 30);
-    }
-
-    #[test]
-    fn input_part2() {
-        let input = include_str!("../input.txt");
-        let result = part2(input);
-        assert_eq!(result, 6420979);
-    }
-}
-- 
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