From ff58eb7f8744beff4ff1157f9e169b9b827db611 Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksa@vuckovic.cc>
Date: Thu, 7 Dec 2023 03:06:25 +0100
Subject: day6

---
 src/day6pt1.rs | 29 +++++++++++++++++++++++++++++
 src/day6pt2.rs | 23 +++++++++++++++++++++++
 src/main.rs    |  4 ++--
 3 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 src/day6pt1.rs
 create mode 100644 src/day6pt2.rs

(limited to 'src')

diff --git a/src/day6pt1.rs b/src/day6pt1.rs
new file mode 100644
index 0000000..0ea45b7
--- /dev/null
+++ b/src/day6pt1.rs
@@ -0,0 +1,29 @@
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day6.txt").unwrap();
+    let lines: Vec<_> = txt
+        .lines()
+        .map(|s| {
+            s.split(":")
+                .collect::<Vec<_>>()
+                .get(1)
+                .unwrap()
+                .split(" ")
+                .filter(|&x| !x.is_empty())
+                .map(|r| r.parse::<u32>().unwrap())
+                .collect::<Vec<_>>()
+        })
+        .collect();
+
+    let mut p: u32 = 1;
+    for i in 0..lines[0].len() {
+        let mut sum: u32 = 0;
+        for j in 1..lines[0][i] {
+            if (lines[0][i] - j) * j > lines[1][i] {
+                sum += 1;
+            }
+        }
+        p *= sum;
+    }
+
+    println!("{:?}", p);
+}
diff --git a/src/day6pt2.rs b/src/day6pt2.rs
new file mode 100644
index 0000000..867bd49
--- /dev/null
+++ b/src/day6pt2.rs
@@ -0,0 +1,23 @@
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day6.txt").unwrap();
+    let lines: Vec<_> = txt
+        .lines()
+        .map(|s| {
+            s.split(":")
+                .collect::<Vec<_>>()
+                .get(1)
+                .unwrap()
+                .replace(" ", "")
+        })
+        .map(|s| s.parse::<u64>().unwrap())
+        .collect();
+
+    let mut sum: u64 = 0;
+    for j in 1..lines[0] {
+        if (lines[0] - j) * j > lines[1] {
+            sum += 1;
+        }
+    }
+
+    println!("{:?}", sum);
+}
diff --git a/src/main.rs b/src/main.rs
index b3ad2f6..1eae0ee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
-mod day5pt2;
+mod day6pt2;
 
 fn main() {
-    day5pt2::main();
+    day6pt2::main();
 }
-- 
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