From a06ae0bf475fda36bb1cbc5b0b7bbf355c499bed Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksa@vuckovic.cc>
Date: Fri, 15 Dec 2023 03:57:07 +0100
Subject: day13 & day14pt1

---
 src/day13pt1.rs | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/day13pt1.rs

(limited to 'src/day13pt1.rs')

diff --git a/src/day13pt1.rs b/src/day13pt1.rs
new file mode 100644
index 0000000..bc71c44
--- /dev/null
+++ b/src/day13pt1.rs
@@ -0,0 +1,70 @@
+pub fn f(input: Vec<Vec<char>>) -> u64 {
+    for x in 1..input[0].len() {
+        let mut ind: bool = true;
+
+        for i in 0..input.len() {
+            if !ind {
+                break;
+            }
+
+            for j in 0..x {
+                if 2 * x - 1 - j >= input[0].len() {
+                    continue;
+                }
+                if input[i][j] != input[i][2 * x - 1 - j] {
+                    ind = false;
+                    break;
+                }
+            }
+        }
+
+        if ind {
+            return x as u64;
+        }
+    }
+
+    for y in 1..input.len() {
+        let mut ind: bool = true;
+
+        for i in 0..y {
+            if !ind {
+                break;
+            }
+
+            for j in 0..input[i].len() {
+                if 2 * y - 1 - i >= input.len() {
+                    continue;
+                }
+                if input[i][j] != input[2 * y - 1 - i][j] {
+                    ind = false;
+                    break;
+                }
+            }
+        }
+
+        if ind {
+            return (y * 100) as u64;
+        }
+    }
+
+    panic!();
+}
+
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day13.txt").unwrap();
+    let input = txt
+        .split("\n\n")
+        .map(|s| {
+            s.lines()
+                .map(|s| s.chars().collect::<Vec<char>>())
+                .collect::<Vec<_>>()
+        })
+        .collect::<Vec<_>>();
+
+    let mut sum: u64 = 0;
+    for i in input {
+        sum += f(i);
+    }
+
+    println!("{}", sum);
+}
-- 
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