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#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_mut)]
use std::env;
use std::fs::File;
use std::io::Read;
fn main() {
let args: Vec<String> = env::args().collect();
let filename = if args.len() == 1 {
"in/".to_owned() + args[0].split('/').last().unwrap() + ".pzl"
} else {
args[1].clone()
};
let mut f = File::open(filename).expect("cannot open file");
let mut content = String::new();
f.read_to_string(&mut content).expect("cannot read file");
let paras = content.trim_end().split("\n\n");
let mut locks: Vec<Vec<i64>> = Vec::new();
let mut keys: Vec<Vec<i64>> = Vec::new();
for para in paras {
let mut para = para.split("\n");
let line = para.next().unwrap();
if line == "#####" {
let mut key = vec![0; 5];
for line in para {
for (i, c) in line.chars().enumerate() {
if c == '#' {
key[i] += 1;
}
}
}
keys.push(key)
} else {
let mut lock = vec![-1; 5];
for line in para {
for (i, c) in line.chars().enumerate() {
if c == '#' {
lock[i] += 1;
}
}
}
locks.push(lock)
}
}
//println!("{:?}", locks);
//println!("{:?}", keys);
let mut res1 = 0;
for l in locks.clone() {
for k in keys.clone() {
if l.iter().zip(k.iter()).map(|(a, b)| a + b).all(|x| x <= 5) {
res1 += 1;
}
}
}
println!("res1: {}", res1);
assert_eq!(res1, 2993);
}
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