Solution for day 5

day05/Cargo.toml

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+[package]
+name = "day05"
+version = "0.1.0"
+authors = ["inga-lovinde <52715130+inga-lovinde@users.noreply.github.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day05/src/main.rs

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+use std::io::{self, BufRead};
+
+fn main() {
+    let stdin = io::stdin();
+    let mut tickets: Vec<u16> = Vec::new();
+    for line_result in stdin.lock().lines() {
+        let binary_line = line_result.unwrap().replace('F', "0").replace('B', "1").replace('L', "0").replace('R', "1");
+        tickets.push(u16::from_str_radix(&binary_line, 2).unwrap());
+    }
+
+    println!("max: {}", tickets.iter().max().unwrap());
+
+    tickets.sort();
+    for i in 1..tickets.len() {
+        if tickets[i] - tickets[i-1] != 1 {
+            println!("hole: {}-{}", tickets[i-1], tickets[i]);
+        }
+    }
+}