diff --git a/y2024/resources/5_input.txt b/y2024/resources/5_input.txt
new file mode 100644
index 0000000..911bef9
--- /dev/null
+++ b/y2024/resources/5_input.txt
@@ -0,0 +1,1380 @@
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+71,76,92,55,79,84,24,51,58,49,35,99,36,28,37
+19,46,37,36,13,44,16,86,57,63,85,18,48,17,53,75,39,31,93
+28,54,21,35,25,76,55,95,49,79,92,32,33,99,71,29,51
+99,33,56,32,95,28,55,19,37,85,11
+95,46,16,85,37,28,11,13,32,63,24,17,36,19,78,56,86,44,18
+85,18,48,78,75,73,59,98,82,42,25,21,84,35,61
+29,79,56,32,24,95,28,55,76,19,49,37,36,13,16,86,57,63,85,18,48
+36,49,16,99,54,95,32
+93,58,51,56,31,92,35,61,25,82,42,45,32
+37,16,86,85,11,78,53,39,73,31,59,98,82
diff --git a/y2024/src/bin/d5.rs b/y2024/src/bin/d5.rs
new file mode 100644
index 0000000..abb7eb2
--- /dev/null
+++ b/y2024/src/bin/d5.rs
@@ -0,0 +1,20 @@
+use std::fs;
+
+use y2024::days::d5;
+
+fn main() {
+    part1();
+    part2();
+}
+
+fn part1() {
+    let root = env!("CARGO_MANIFEST_DIR");
+    let content = fs::read_to_string(format!("{root}/resources/5_input.txt")).unwrap();
+    println!("{}", d5::process_part1(&content));
+}
+
+fn part2() {
+    let root = env!("CARGO_MANIFEST_DIR");
+    let content = fs::read_to_string(format!("{root}/resources/5_input.txt")).unwrap();
+    println!("{}", d5::process_part2(&content));
+}
diff --git a/y2024/src/days/d5.rs b/y2024/src/days/d5.rs
new file mode 100644
index 0000000..66e1f20
--- /dev/null
+++ b/y2024/src/days/d5.rs
@@ -0,0 +1,181 @@
+#[derive(Clone, Debug)]
+struct Page {
+    number: u32,
+    before: Vec<u32>,
+    after: Vec<u32>,
+}
+
+fn get_page(rules: &[Page], page_num: u32) -> Option<(Page, usize)> {
+    for (rule_idx, rule) in rules.iter().enumerate() {
+        if rule.number == page_num {
+            return Some((rule.clone(), rule_idx));
+        }
+    }
+    None
+}
+
+pub fn process_part1(input: &str) -> u32 {
+    let mut rules = Vec::new();
+    let (rules_str, update) = input.split_once("\n\n").unwrap();
+    for rule in rules_str.lines() {
+        let (before, after) = rule.split_once("|").unwrap();
+        let before: u32 = before.parse().unwrap();
+        let after: u32 = after.parse().unwrap();
+        if let Some((mut page, page_idx)) = get_page(&rules, before) {
+            page.after.push(after);
+            rules[page_idx] = page;
+        } else {
+            rules.push(Page {
+                number: before,
+                before: Vec::new(),
+                after: vec![after],
+            });
+        }
+        if let Some((mut page, page_idx)) = get_page(&rules, after) {
+            page.before.push(before);
+            rules[page_idx] = page;
+        } else {
+            rules.push(Page {
+                number: after,
+                before: vec![before],
+                after: Vec::new(),
+            });
+        }
+    }
+    update
+        .lines()
+        .map(|pages| {
+            let mut visited = Vec::new();
+            let pages = pages
+                .split(",")
+                .map(|page| page.parse::<u32>().unwrap())
+                .collect::<Vec<u32>>();
+            for &page_num in pages.iter() {
+                let (page_rules, _) = get_page(&rules, page_num).unwrap();
+                for after in page_rules.after {
+                    if visited.contains(&after) {
+                        return 0;
+                    }
+                }
+                visited.push(page_num);
+            }
+            pages[pages.len() / 2]
+        })
+        .sum()
+}
+
+pub fn process_part2(input: &str) -> u32 {
+    let mut rules = Vec::new();
+    let (rules_str, update) = input.split_once("\n\n").unwrap();
+    for rule in rules_str.lines() {
+        let (before, after) = rule.split_once("|").unwrap();
+        let before: u32 = before.parse().unwrap();
+        let after: u32 = after.parse().unwrap();
+        if let Some((mut page, page_idx)) = get_page(&rules, before) {
+            page.after.push(after);
+            rules[page_idx] = page;
+        } else {
+            rules.push(Page {
+                number: before,
+                before: Vec::new(),
+                after: vec![after],
+            });
+        }
+        if let Some((mut page, page_idx)) = get_page(&rules, after) {
+            page.before.push(before);
+            rules[page_idx] = page;
+        } else {
+            rules.push(Page {
+                number: after,
+                before: vec![before],
+                after: Vec::new(),
+            });
+        }
+    }
+    update
+        .lines()
+        .map(|pages| {
+            let mut visited = Vec::new();
+            let mut is_ordered = true;
+            let pages = pages
+                .split(",")
+                .map(|page| page.parse::<u32>().unwrap())
+                .collect::<Vec<u32>>();
+            'outer: for &page_num in pages.iter() {
+                let (page_rules, _) = get_page(&rules, page_num).unwrap();
+                for after in page_rules.after {
+                    if visited.contains(&after) {
+                        is_ordered = false;
+                        break 'outer;
+                    }
+                }
+                visited.push(page_num);
+            }
+            if !is_ordered {
+                let mut ordered_pages = Vec::new();
+                for &page_num in pages.iter() {
+                    let (page_rules, _) = get_page(&rules, page_num).unwrap();
+                    let mut page_idx = ordered_pages.len();
+                    for after in page_rules.after {
+                        if let Some(after_idx) =
+                            ordered_pages.iter().position(|&page| page == after)
+                        {
+                            if page_idx > after_idx {
+                                page_idx = after_idx;
+                            }
+                        }
+                    }
+                    ordered_pages.insert(page_idx, page_num);
+                }
+                return ordered_pages[ordered_pages.len() / 2];
+            }
+            0
+        })
+        .sum()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    const INPUT: &str = "47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47";
+
+    #[test]
+    fn part1() {
+        let result = process_part1(INPUT);
+        assert_eq!(result, 143);
+    }
+
+    #[test]
+    fn part2() {
+        let result = process_part2(INPUT);
+        assert_eq!(result, 123);
+    }
+}
diff --git a/y2024/src/days/mod.rs b/y2024/src/days/mod.rs
index 69d8311..5b5d285 100644
--- a/y2024/src/days/mod.rs
+++ b/y2024/src/days/mod.rs
@@ -5,3 +5,5 @@ pub mod d2;
 pub mod d3;
 
 pub mod d4;
+
+pub mod d5;