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advent_of_code
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comments and formating

This commit is contained in:
Dan Ballard 2020-12-06 11:13:52 -08:00
parent efd5484204
commit 474680a2d7
1 changed files with 1 additions and 6 deletions
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7
src/lib.rs
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@ -4,9 +4,6 @@ use std::io::{prelude::*, BufReader};
use std::error::Error;
use regex::Regex;
pub fn aoc_01_both(filename: &str) -> Result<(), Box<dyn Error>> {
let file = File::open(filename).expect("No file");
let br = BufReader::new(file);
@ -41,8 +38,6 @@ pub fn aoc_01_both(filename: &str) -> Result<(), Box<dyn Error>> {
pub fn aoc_02(filename: &str) -> Result<(), Box<dyn Error>> {
let contents = fs::read_to_string(filename)?;
let pairs: Vec<Vec<String>> = contents.lines().map(|line| {
line.split(":").map(|s| String::from(s)).collect()
}).collect();
@ -77,12 +72,12 @@ fn aoc_02_02(pairs: &Vec<Vec<String>>) -> Result<(), Box<dyn Error>> {
let first = rule[1].parse::<usize>().unwrap();
let sec = rule[2].parse::<usize>().unwrap();
// the indexes are 1 based but the pairs[x][2] has a leading space so it works out... -_-;
let m1 = pairs[i][1].as_bytes()[first] == rule[3].as_bytes()[0];
let m2 = pairs[i][1].as_bytes()[sec] == rule[3].as_bytes()[0];
if (m1 || m2) && !(m1 && m2) {
valid += 1;
}
}
println!("2_2 had {}/{} valid passwords", valid, pairs.len());