Initial Commit

.gitignore

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+input.txt
+target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "d01t1"
+version = "0.1.0"
+
+[[package]]
+name = "d01t2"
+version = "0.1.0"

Cargo.toml

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+[workspace]
+
+resolver = "2"
+members = [
+    "d01t1",
+    "d01t2",
+]

d01t1/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "d01t1"
+version = "0.1.0"

d01t1/Cargo.toml

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+[package]
+name = "d01t1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

d01t1/src/main.rs

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+fn main() {
+    let input = include_str!("../input.txt");
+    let result = input
+        .lines()
+        .map(|line| {
+            let digits = line
+                .chars()
+                .filter(|c| c.is_ascii_digit())
+                .collect::<Vec<char>>();
+            let mut num_str = digits.first().unwrap().to_string();
+            num_str.push(*digits.last().unwrap());
+            num_str.parse::<u32>().unwrap()
+        })
+        .sum::<u32>();
+    println!("d01t1: {result}");
+}

d01t2/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "d01t2"
+version = "0.1.0"

d01t2/Cargo.toml

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+[package]
+name = "d01t2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

d01t2/src/main.rs

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+fn main() {
+    let input = include_str!("../input.txt");
+    let translated = input
+        .replace("one", "o1e")
+        .replace("two", "t2o")
+        .replace("three", "t3e")
+        .replace("four", "f4r")
+        .replace("five", "f5e")
+        .replace("six", "s6x")
+        .replace("seven", "s7n")
+        .replace("eight", "e8t")
+        .replace("nine", "n9e");
+    let result = translated
+        .lines()
+        .map(|line| {
+            let digits = line
+                .chars()
+                .filter(|c| c.is_ascii_digit())
+                .collect::<Vec<char>>();
+            let mut num_str = digits.first().unwrap().to_string();
+            num_str.push(*digits.last().unwrap());
+            num_str.parse::<u32>().unwrap()
+        })
+        .sum::<u32>();
+    println!("d01t2: {result}");
+}