From ef364a9ae004dd6e36dd0b488936304c6cb33116 Mon Sep 17 00:00:00 2001
From: LordMathis <matus@namesny.com>
Date: Wed, 6 Dec 2023 22:18:28 +0100
Subject: [PATCH] 2023-06: Implement part one

---
 2023/06-wait-for-it/Cargo.toml      |  8 +++++
 2023/06-wait-for-it/input.txt       |  2 ++
 2023/06-wait-for-it/input_test.txt  |  2 ++
 2023/06-wait-for-it/src/main.rs     |  5 +++
 2023/06-wait-for-it/src/part_one.rs | 51 +++++++++++++++++++++++++++++
 5 files changed, 68 insertions(+)
 create mode 100644 2023/06-wait-for-it/Cargo.toml
 create mode 100644 2023/06-wait-for-it/input.txt
 create mode 100644 2023/06-wait-for-it/input_test.txt
 create mode 100644 2023/06-wait-for-it/src/main.rs
 create mode 100644 2023/06-wait-for-it/src/part_one.rs

diff --git a/2023/06-wait-for-it/Cargo.toml b/2023/06-wait-for-it/Cargo.toml
new file mode 100644
index 0000000..49c02f8
--- /dev/null
+++ b/2023/06-wait-for-it/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "wait-for-it"
+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/2023/06-wait-for-it/input.txt b/2023/06-wait-for-it/input.txt
new file mode 100644
index 0000000..30a463c
--- /dev/null
+++ b/2023/06-wait-for-it/input.txt
@@ -0,0 +1,2 @@
+Time:        51     92     68     90
+Distance:   222   2031   1126   1225
\ No newline at end of file
diff --git a/2023/06-wait-for-it/input_test.txt b/2023/06-wait-for-it/input_test.txt
new file mode 100644
index 0000000..b39f49d
--- /dev/null
+++ b/2023/06-wait-for-it/input_test.txt
@@ -0,0 +1,2 @@
+Time:      7  15   30
+Distance:  9  40  200
\ No newline at end of file
diff --git a/2023/06-wait-for-it/src/main.rs b/2023/06-wait-for-it/src/main.rs
new file mode 100644
index 0000000..d52adb4
--- /dev/null
+++ b/2023/06-wait-for-it/src/main.rs
@@ -0,0 +1,5 @@
+mod part_one;
+
+fn main() {
+    part_one::part_one();
+}
diff --git a/2023/06-wait-for-it/src/part_one.rs b/2023/06-wait-for-it/src/part_one.rs
new file mode 100644
index 0000000..8bbce86
--- /dev/null
+++ b/2023/06-wait-for-it/src/part_one.rs
@@ -0,0 +1,51 @@
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
+
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
+        let mut margin = 1;
+
+        let mut race_results: Vec<Vec<u32>> = Vec::new();
+
+        for line in lines {
+            race_results.push(process_line(&line.unwrap()));
+        }
+
+        for i in 0..race_results[0].len() {
+            margin *= process_race_result(race_results[0][i], race_results[1][i]);
+        }
+        
+        println!("{:?}", margin);
+    }
+}
+
+fn process_line(s: &str) -> Vec<u32> {
+    
+    let nums_str = s.split(':').collect::<Vec<&str>>()[1].split_whitespace().collect::<Vec<&str>>();
+    let nums: Vec<u32> = nums_str.iter().map(|s| s.parse::<u32>().unwrap()).collect();
+
+    return nums;    
+}
+
+fn process_race_result(time: u32, distance: u32) -> u32 {
+    
+    let mut win_count = 0;
+
+    for i in 0..time {
+        if i * (time - i) > distance {
+            win_count += 1;
+        }
+    }
+
+    return win_count;
+}
+
+
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
\ No newline at end of file