48 lines
957 B
Rust
48 lines
957 B
Rust
use std::error::Error;
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#[path = "../utils/mod.rs"]
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mod utils;
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fn main() -> Result<(), Box<dyn Error>> {
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let lines = utils::parse_input_lines::<u32>()?;
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part1(&lines);
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part2(&lines);
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Ok(())
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}
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fn part1(lines: &Vec<u32>) {
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'outer: for i in 0..lines.len() {
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let value1 = lines.get(i).unwrap();
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for j in (i + 1)..lines.len() {
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let value2 = lines.get(j).unwrap();
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if value1 + value2 == 2020 {
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println!("Result: {} x {} = {}", value1, value2, value1 * value2);
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break 'outer;
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}
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}
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}
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}
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fn part2(lines: &Vec<u32>) {
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'outer: for i in 0..lines.len() {
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let value1 = lines.get(i).unwrap();
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for j in (i + 1)..lines.len() {
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let value2 = lines.get(j).unwrap();
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for k in (j + 1)..lines.len() {
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let value3 = lines.get(k).unwrap();
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if value1 + value2 + value3 == 2020 {
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println!("Result: {} x {} x {} = {}", value1, value2, value3, value1 * value2 * value3);
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break 'outer;
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}
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}
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}
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}
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}
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