commit f374eceb3213c5238ab1b15c71e50e6036bc35b0
Author: ari melody <ari@arimelody.me>
Date:   Sat Dec 2 13:06:07 2023 +0000

    day 1 (incomplete)

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..abdb47f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+day*/target
+.DS_Store
diff --git a/day1-trebuchet/Cargo.lock b/day1-trebuchet/Cargo.lock
new file mode 100644
index 0000000..10709f7
--- /dev/null
+++ b/day1-trebuchet/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day1-trebuchet"
+version = "0.1.0"
diff --git a/day1-trebuchet/Cargo.toml b/day1-trebuchet/Cargo.toml
new file mode 100644
index 0000000..786ebab
--- /dev/null
+++ b/day1-trebuchet/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day1-trebuchet"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/day1-trebuchet/input b/day1-trebuchet/input
new file mode 100644
index 0000000..c42e3f9
--- /dev/null
+++ b/day1-trebuchet/input
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diff --git a/day1-trebuchet/src/main.rs b/day1-trebuchet/src/main.rs
new file mode 100644
index 0000000..0633f66
--- /dev/null
+++ b/day1-trebuchet/src/main.rs
@@ -0,0 +1,44 @@
+fn main () {
+        let data: String = std::fs::read_to_string("input").unwrap();
+        let lines = data.lines();
+
+        let new_lines = lines
+                .map(|raw_line| replace_numbers(raw_line))
+                .fold(String::new(), |a, b| format!("{a}{b}\n"));
+        std::fs::write("new_lines", new_lines);
+
+        // let sum: u32 = lines.map(|line| { get_calibration_values(line) }).sum();
+        // println!("the sum of all calibration values is {sum}!");
+}
+
+fn replace_numbers(raw_line: &str) -> String {
+        let numbers: [&str; 10] = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"];
+        let mut line: String = raw_line.to_string();
+        loop {
+                let mut clean = false;
+                for i in 0..numbers.len() {
+                        let old_line = line.clone();
+                        line = line.replace(numbers[i], i.to_string().as_str());
+                        if line.eq(&old_line) {
+                                clean = true;
+                        }
+                }
+                if clean {
+                        break;
+                }
+        }
+        line
+}
+
+fn get_calibration_values(mut line: &str) -> u32 {
+        line = replace_numbers(line).clone().as_str();
+
+        let first: u32 = line.chars().find_map(|ch| { ch.to_digit(10) }).unwrap();
+        let last: u32 = line.chars().rev().find_map(|ch| { ch.to_digit(10) }).unwrap();
+
+        let result = first * 10 + last;
+        println!("{line} ({result})");
+
+        // first * 10 + last
+        result
+}
\ No newline at end of file