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tobimai committed 2021-12-03 15:17:28 +01:00
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december_2_1/Cargo.toml
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[package]
name = "december_2_1"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
december_2_1/input.txt
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december_2_1/src/main.rs
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use std::fs::File;
use std::io::{BufReader};
use std::io::prelude::*;
fn main(){
let file = File::open("./input.txt").expect("Read failed");
let reader = BufReader::new(file);
let mut current_depth = 0;
let mut current_horizontal = 0;
let all_lines = reader.lines();
for line in all_lines{
let line_as_string = line.unwrap();
let split_line = line_as_string.split_whitespace().collect::<Vec<&str>>();
let direction = split_line[0];
let distance = split_line[1].parse::<i32>().unwrap();
match direction {
"forward" => current_horizontal += distance,
"down" => current_depth += distance,
"up" => current_depth -= distance,
_ => println!("You should never be here")
}
}
println!("Depth: {}, Horizontal: {}, Result: {}", current_depth, current_horizontal, current_horizontal*current_depth)
}