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day6 part 2

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Candygoblen123 2023-12-06 10:46:32 -05:00
parent fea1f85aee
commit 5211c5dfe7
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1 changed files with 47 additions and 18 deletions
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day6/src/main.rs
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@ -6,16 +6,14 @@ fn main() {
.map(|line| { .map(|line| {
&line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:" &line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
}).map(|line| { }).map(|line| {
line.split_whitespace() // Split the numbers into their own elements. line.split_whitespace().flat_map(|s| s.chars()).collect::<String>() // Split the numbers into their own elements.
.map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32 })
.collect::<Vec<_>>() .map(|num| num.parse::<i64>().expect("Couldn't parse number")) // Parse numbers into i32
}).collect(); // collect into Vec .collect(); // collect into Vec
let mut valid_total = 1;
for round in 0..input.first().unwrap().len() { let time = input[0];
let time = input[0][round]; let dist = input[1];
let dist = input[1][round];
let mut valid = 0; let mut valid = 0;
for remaining_time in 0..time { for remaining_time in 0..time {
@ -23,8 +21,39 @@ fn main() {
valid += 1; valid += 1;
} }
} }
valid_total *= valid;
}
println!("{}", valid_total); println!("{}", valid);
} }
// use std::fs;
// fn main() {
// let input = fs::read_to_string("input.txt").unwrap();
// let input: Vec<_> = input.split('\n') // Seperate the Time and Distance lines
// .map(|line| {
// &line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
// }).map(|line| {
// line.split_whitespace() // Split the numbers into their own elements.
// .map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32
// .collect::<Vec<_>>()
// }).collect(); // collect into Vec
// let mut valid_total = 1;
// for round in 0..input.first().unwrap().len() {
// let time = input[0][round];
// let dist = input[1][round];
// let mut valid = 0;
// for remaining_time in 0..time {
// if (time - remaining_time) * remaining_time > dist {
// valid += 1;
// }
// }
// valid_total *= valid;
// }
// println!("{}", valid_total);
// }