From d5d866ca3abadf61fd918faa6171a624a73f03bd Mon Sep 17 00:00:00 2001
From: Cassandra de la Cruz-Munoz <me@cass-dlcm.dev>
Date: Wed, 6 Dec 2023 13:49:00 +0100
Subject: [PATCH] Add src/06part2.rs

---
 src/06part2.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/06part2.rs

diff --git a/src/06part2.rs b/src/06part2.rs
new file mode 100644
index 0000000..8e9576a
--- /dev/null
+++ b/src/06part2.rs
@@ -0,0 +1,27 @@
+use std::fs;
+
+fn main() {
+    let file_path = "input/06input.txt";
+    let contents = fs::read_to_string(file_path).expect("should read file");
+    let mut lines = contents.lines();
+    let time_str = lines.next().unwrap().strip_prefix("Time:      ").unwrap();
+    let times = time_str.split_whitespace().fold(String::new(), |acc, x| acc + x).parse::<u128>().ok().unwrap();
+    let distance_str = lines.next().unwrap().strip_prefix("Distance:  ").unwrap();
+    let distances = distance_str.split_whitespace().fold(String::new(), |acc, x| acc + x).parse::<u128>().ok().unwrap();
+    let mut total = 1;
+    let mut j = 0;
+    let mut k = times-1;
+    loop {
+        if j*(times-j) <= distances {
+            j += 1;
+        }
+        if k*(times-k) <= distances {
+            k -= 1;
+        }
+        if j*(times-j) > distances && k*(times-k) > distances {
+            total *= k - j + 1;
+            break;
+        }
+    }
+    println!("{}", total);
+}