62 lines
1.5 KiB
Rust
62 lines
1.5 KiB
Rust
#![allow(dead_code, unused_imports)]
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use std::fmt::Binary;
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use std::fs::File;
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use std::path::Path;
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use std::io::{self, BufRead};
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fn main() {
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let mut data: Vec<Vec<u32>> = Vec::new();
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if let Ok(lines) = read_lines("diagnostics.txt") {
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let mut vecinit = false;
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for line in lines {
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if let Ok(l) = line {
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if !vecinit {
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for _ in l.chars() {
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data.push(Vec::new());
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}
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vecinit = true;
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}
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//println!("{}", l);
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let mut i = 0;
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for c in l.chars() {
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data[i].push(c as u32 - 48);
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i += 1;
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}
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}
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}
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}
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let mut gama = Vec::new();
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for line in &data {
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gama.push(
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if line.iter().sum::<u32>() < data[0].len() as u32 / 2 {
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0
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} else {
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1
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}
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);
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}
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let lifesupport = if data[0].iter().sum::<u32>() < data[0].len() as u32 / 2 {
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0
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} else {
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1
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};
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let co2scrub = if data[0].iter().sum::<u32>() > data[0].len() as u32 / 2 {
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0
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} else {
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1
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};
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println!("{}:{}", lifesupport,co2scrub);
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let mut gamarate = 0;
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let mut epsilonrate = 0;
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for i in 0..gama.len() {
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gamarate += (2_u32.pow(i.try_into().unwrap())) * gama[gama.len() - i - 1];
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epsilonrate += (2_u32.pow(i.try_into().unwrap())) * if gama[gama.len() - i - 1] == 1 { 0 } else { 1 };
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}
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println!("power consumption: {}", gamarate * epsilonrate);
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}
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fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
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where P: AsRef<Path> {
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let file = File::open(filename)?;
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Ok(io::BufReader::new(file).lines())
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}
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