day13 & day14pt1

5 files changed, 180 insertions, 4 deletions

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);
+}
diff --git a/src/day13pt2.rs b/src/day13pt2.rs
new file mode 100644
index 0000000..5af732b
--- /dev/null
+++ b/src/day13pt2.rs
@@ -0,0 +1,60 @@
+pub fn f(input: Vec<Vec<char>>) -> u64 {
+    for x in 1..input[0].len() {
+        let mut cnt: u32 = 0;
+
+        for i in 0..input.len() {
+            for j in 0..x {
+                if 2 * x - 1 - j >= input[0].len() {
+                    continue;
+                }
+                if input[i][j] != input[i][2 * x - 1 - j] {
+                    cnt += 1;
+                }
+            }
+        }
+
+        if cnt == 1 {
+            return x as u64;
+        }
+    }
+
+    for y in 1..input.len() {
+        let mut cnt: u32 = 0;
+
+        for i in 0..y {
+            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] {
+                    cnt += 1;
+                }
+            }
+        }
+
+        if cnt == 1 {
+            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);
+}
diff --git a/src/day14pt1.rs b/src/day14pt1.rs
new file mode 100644
index 0000000..9b68f62
--- /dev/null
+++ b/src/day14pt1.rs
@@ -0,0 +1,23 @@
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day14.txt").unwrap();
+    let input = txt
+        .lines()
+        .map(|s| s.chars().collect::<Vec<char>>())
+        .collect::<Vec<Vec<char>>>();
+
+    let mut sum: u64 = 0;
+
+    for j in 0..input[0].len() {
+        let mut off: u64 = 0;
+        for i in 0..input.len() {
+            if input[i][j] == 'O' {
+                sum += input.len() as u64 - off;
+                off += 1;
+            } else if input[i][j] == '#' {
+                off = (i + 1) as u64;
+            }
+        }
+    }
+
+    println!("{}", sum);
+}
diff --git a/src/day14pt2.rs b/src/day14pt2.rs
new file mode 100644
index 0000000..9b68f62
--- /dev/null
+++ b/src/day14pt2.rs
@@ -0,0 +1,23 @@
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day14.txt").unwrap();
+    let input = txt
+        .lines()
+        .map(|s| s.chars().collect::<Vec<char>>())
+        .collect::<Vec<Vec<char>>>();
+
+    let mut sum: u64 = 0;
+
+    for j in 0..input[0].len() {
+        let mut off: u64 = 0;
+        for i in 0..input.len() {
+            if input[i][j] == 'O' {
+                sum += input.len() as u64 - off;
+                off += 1;
+            } else if input[i][j] == '#' {
+                off = (i + 1) as u64;
+            }
+        }
+    }
+
+    println!("{}", sum);
+}
diff --git a/src/main.rs b/src/main.rs
index 11d3ec1..ed80bc3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
-mod day11pt1;
-mod day11pt2;
+mod day14pt1;
+mod day14pt2;
 
 fn main() {
-    day11pt1::main();
-    day11pt2::main();
+    day14pt1::main();
+    day14pt2::main();
 }