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advent-of-code
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rusty

This commit is contained in:
icaema 2023-12-05 22:09:29 -05:00
parent 6804109da6
commit 32c3671947
6 changed files with 111 additions and 54 deletions
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day-04/bin/part01 Executable file
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day-04/bin/part01_rs
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day-04/bin/part02 Executable file
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day-04/bin/part02_rs Executable file
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89
day-04/src/part01.rs
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@ -1,17 +1,22 @@
use std::io; use std::io;
use std::io::BufRead; use std::io::BufRead;
const DEBUG: bool = true;
struct Card { struct Card {
card_number: u32, match_count: usize,
match_count: u32, copies: usize,
copies: u32, }
fn get_points(match_count: usize) -> usize {
match match_count{
0 => 0,
_ => 2_usize.pow((match_count-1).try_into().unwrap()),
}
} }
fn main() { fn main() {
let mut lines_processed = 0; let mut lines_processed = 0;
let mut cards: Vec<Card> = Vec::new(); let mut cards: Vec<Card> = Vec::new();
let mut total_points: usize = 0;
let mut line = String::new(); let mut line = String::new();
@ -19,64 +24,48 @@ fn main() {
println!("input {}", line.trim()); println!("input {}", line.trim());
let card_strings = line.trim().split_once(':').unwrap(); let card_strings = line.trim().split_once(':').unwrap();
//dbg!(card_strings); //dbg!(card_strings);
let card_number = card_strings.0[5..].trim().parse::<u32>().unwrap(); //let card_number: usize = card_strings.0[5..].trim().parse::<usize>().unwrap();
let card_data_string = card_strings.1.trim().split_once('|').unwrap(); let card_data_string = card_strings.1.trim().split_once('|').unwrap();
let winning_numbers: Vec<u32> = card_data_string.0 let winning_numbers: Vec<usize> = card_data_string.0
.split_whitespace() .split_whitespace()
.map(|s| s.parse().unwrap()) .map(|s| s.parse().unwrap())
.collect(); .collect();
let my_numbers: Vec<u32> = card_data_string.1 let my_numbers: Vec<usize> = card_data_string.1
.split_whitespace() .split_whitespace()
.map(|s| s.parse().unwrap()) .map(|s| s.parse().unwrap())
.collect(); .collect();
//dbg!(my_numbers.iter().filter(|x| winning_numbers.contains(x)).cloned().collect::<Vec<u32>>()); let match_count: usize = my_numbers.iter()
let match_count: u32 = my_numbers.iter().filter(|x| winning_numbers.contains(x)).count().try_into().unwrap(); .filter(|x| winning_numbers.contains(x))
.count().try_into().unwrap();
println!("------------ card_number: {}, match_count: {}\n", card_number, match_count);
total_points += get_points(match_count);
cards.push(Card { cards.push(Card {
card_number: card_number,
match_count: match_count, match_count: match_count,
copies: 1, copies: 1,
}); });
for card in cards.iter() {
println!("CARD card: {}, match count: {}", card.card_number, card.match_count);
}
//dbg!(winning_numbers, my_numbers, match_count);
//.map(|x| x.parse).unwrap())
//.collect()
// dbg!( card_data_string.0
// .trim()
// .split_whitespace()
// //.split(' ').map(|s| s.trim())
// .filter(|s| !s.is_empty())
// .map(|s| s.parse().unwrap())
// .collect()
// //.map(|x| x.parse).unwrap())
// //.collect()
// );
//let winning_numbers: Vec<u32> = card_data_string.0.trim().split_whitespace().iter().flat_map(|s| s.parse().ok()).collect();
let my_numbers = card_data_string.1.trim();
dbg!(card_number);
//dbg!(winning_numbers, my_numbers);
lines_processed += 1; lines_processed += 1;
line.clear() line.clear();
} }
println!("\n Ingested {} Lines", lines_processed); println!("\n Ingested {} Lines", lines_processed);
println!("==================================="); println!("===================================");
// Insert processing code
println!("\n Processed XXX"); for i in 1..cards.len() {
let current_card_match_no = cards[i-1].match_count;
let current_card_copies_no = cards[i-1].copies;
//dbg!(current_card_match_no);
for j in 1..=current_card_match_no {
cards[(i-1)+j].copies += current_card_copies_no;
}
}
let total_card_copies: usize = cards.iter().map(|x| x.copies).sum();
println!("\n Processed {} Cards", cards.len());
println!("==================================="); println!("===================================");
println!("Total Points: \n{}", total_points);
println!("Answer: \nXXXX"); println!("Total Cards: \n{}", total_card_copies);
} }

72
day-04/src/part02.rs
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@ -1,3 +1,71 @@
fn main() { use std::io;
println!("Hello, world!"); use std::io::BufRead;
struct Card {
match_count: usize,
copies: usize,
}
fn get_points(match_count: usize) -> usize {
match match_count{
0 => 0,
_ => 2_usize.pow((match_count-1).try_into().unwrap()),
}
}
fn main() {
let mut lines_processed = 0;
let mut cards: Vec<Card> = Vec::new();
let mut total_points: usize = 0;
let mut line = String::new();
while io::stdin().lock().read_line(&mut line).unwrap() > 0 {
println!("input {}", line.trim());
let card_strings = line.trim().split_once(':').unwrap();
//dbg!(card_strings);
//let card_number: usize = card_strings.0[5..].trim().parse::<usize>().unwrap();
let card_data_string = card_strings.1.trim().split_once('|').unwrap();
let winning_numbers: Vec<usize> = card_data_string.0
.split_whitespace()
.map(|s| s.parse().unwrap())
.collect();
let my_numbers: Vec<usize> = card_data_string.1
.split_whitespace()
.map(|s| s.parse().unwrap())
.collect();
let match_count: usize = my_numbers.iter()
.filter(|x| winning_numbers.contains(x))
.count().try_into().unwrap();
total_points += get_points(match_count);
cards.push(Card {
match_count: match_count,
copies: 1,
});
lines_processed += 1;
line.clear();
}
println!("\n Ingested {} Lines", lines_processed);
println!("===================================");
for i in 1..cards.len() {
let current_card_match_no = cards[i-1].match_count;
let current_card_copies_no = cards[i-1].copies;
//dbg!(current_card_match_no);
for j in 1..=current_card_match_no {
cards[(i-1)+j].copies += current_card_copies_no;
}
}
let total_card_copies: usize = cards.iter().map(|x| x.copies).sum();
println!("\n Processed {} Cards", cards.len());
println!("===================================");
println!("Total Points: \n{}", total_points);
println!("Total Cards: \n{}", total_card_copies);
} }