45 lines
1023 B
Rust
45 lines
1023 B
Rust
use crate::common::AdventOfCodeDay;
|
|
|
|
pub struct Day01 {
|
|
input: Vec<i32>,
|
|
}
|
|
|
|
impl Day01 {
|
|
pub fn new() -> Self {
|
|
let input_bytes = include_bytes!("../res/01_input.txt");
|
|
let input = String::from_utf8_lossy(input_bytes);
|
|
|
|
let numbers = input.lines().map(|p| p.parse::<i32>().unwrap()).collect::<Vec<i32>>();
|
|
|
|
Self {
|
|
input: numbers
|
|
}
|
|
}
|
|
}
|
|
|
|
impl AdventOfCodeDay for Day01 {
|
|
|
|
fn task_1(&self) -> String {
|
|
for v1 in &self.input {
|
|
for v2 in &self.input {
|
|
if v1+v2 == 2020 {
|
|
return format!("{}", v1*v2);
|
|
}
|
|
}
|
|
}
|
|
panic!();
|
|
}
|
|
|
|
fn task_2(&self) -> String {
|
|
for v1 in &self.input {
|
|
for v2 in &self.input {
|
|
for v3 in &self.input {
|
|
if v1+v2+v3 == 2020 {
|
|
return format!("{}", v1*v2*v3);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
panic!();
|
|
}
|
|
} |