day 1 part 2 finished

day_1/.vscode/launch.json

@@ -0,0 +1,45 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug executable 'day_1'",
+            "cargo": {
+                "args": [
+                    "build",
+                    "--bin=day_1",
+                    "--package=day_1"
+                ],
+                "filter": {
+                    "name": "day_1",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug unit tests in executable 'day_1'",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--bin=day_1",
+                    "--package=day_1"
+                ],
+                "filter": {
+                    "name": "day_1",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        }
+    ]
+}

day_1/data/part2_test_input

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

day_1/src/main.rs

@@ -1,17 +1,36 @@
 
-use std::{io::prelude::*, fs::File, path::Path };
+use std::{io::prelude::*, fs::File, path::Path, io };
 
 fn main() 
 {
     do_part_1();
 
-    do_part_2();
-    
+    println!("\nPress enter to continue");
+    let mut buffer = String::new();
+    io::stdin().read_line(&mut buffer).unwrap();
+
+    do_part_2();   
 }
 
 fn do_part_2()
 {
-    
+    let data = load_data("data/part2_input");
+
+    println!("\nProcessing Data...");
+
+    let mut sum: u64 = 0;
+    for line in data.lines()
+    {
+        let first = get_first_digit(line.to_ascii_lowercase().as_bytes(), true);
+        let last = get_last_digit(line.to_ascii_lowercase().as_bytes(), true);
+
+        let num = (first * 10) + last;
+
+        println!("\nLine: {} -- First: {}, Second: {}, Num: {}", line, first, last, num);
+        sum += num as u64;
+    }
+
+    println!("\nFinal Sum: {}", sum);
 }
 
 fn do_part_1()
@@ -23,8 +42,8 @@ fn do_part_1()
     let mut sum: u64 = 0;
     for line in data.lines()
     {
-        let first = get_first_digit(line);
-        let last = get_last_digit(line);
+        let first = get_first_digit(line.to_ascii_lowercase().as_bytes(), false);
+        let last = get_last_digit(line.to_ascii_lowercase().as_bytes(), false);
 
         let num = (first * 10) + last;
 
@@ -35,28 +54,44 @@ fn do_part_1()
     println!("\nFinal Sum: {}", sum);
 }
 
-fn get_first_digit(line: &str) -> u8
+fn get_first_digit(line: &[u8], check_for_spelled: bool) -> u8
 {
-    for c in line.as_bytes()
+    for i in 0..line.len()
     {
-        if is_num(*c)
+        if is_num(line[i])
         {
-            return (*c - 48) as u8;
+            return (line[i] - 48) as u8;
+        }
+
+        if check_for_spelled
+        {
+            if let Some(num) = is_spelled_num(line, i)
+            {
+                return num;
+            }
         }
     }
 
     return 0;
 }
 
-fn get_last_digit(line: &str) -> u8
+fn get_last_digit(line: &[u8], check_for_spelled: bool) -> u8
 {
     //let mut last_digit = 0 as u8;
 
-    for c in line.chars().rev()
+    for i in (0..line.len()).rev()
     {
-        if is_num(c as u8)
+        if is_num(line[i])
+        {
+            return line[i] - 48;
+        }
+
+        if check_for_spelled
         {
-            return (c as u8 - 48) as u8;
+            if let Some(num) = is_spelled_num(line, i)
+            {
+                return num;
+            }
         }
     }
 
@@ -68,9 +103,32 @@ fn is_num(c: u8) -> bool
     c >= 48 && c <= 57
 }
 
-fn is_spelled_num(start: &str) -> Option<u8>
+fn is_spelled_num(line: &[u8], start: usize) -> Option<u8>
 {
+    let words = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"];
+
+    for word_idx in 0..words.len()
+    {
+        let mut i = start;
+        let mut found = true;
+        for c in words[word_idx].as_bytes()
+        {
+            if i < line.len() && *c != line[i]
+            {
+                found = false;
+                break;
+            }
+            i += 1;
+        }
+
+        if found && i <= line.len()
+        {
+            return Some(word_idx as u8 + 1);
+        }
+    }
+
     None
+
 }
 
 fn load_data(file_name: &str) -> String