day6 part 2
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@ -6,16 +6,14 @@ fn main() {
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.map(|line| {
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.map(|line| {
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&line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
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&line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
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}).map(|line| {
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}).map(|line| {
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line.split_whitespace() // Split the numbers into their own elements.
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line.split_whitespace().flat_map(|s| s.chars()).collect::<String>() // Split the numbers into their own elements.
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.map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32
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})
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.collect::<Vec<_>>()
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.map(|num| num.parse::<i64>().expect("Couldn't parse number")) // Parse numbers into i32
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}).collect(); // collect into Vec
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.collect(); // collect into Vec
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let mut valid_total = 1;
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for round in 0..input.first().unwrap().len() {
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let time = input[0];
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let time = input[0][round];
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let dist = input[1];
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let dist = input[1][round];
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let mut valid = 0;
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let mut valid = 0;
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for remaining_time in 0..time {
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for remaining_time in 0..time {
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@ -23,8 +21,39 @@ fn main() {
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valid += 1;
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valid += 1;
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}
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}
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}
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}
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valid_total *= valid;
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println!("{}", valid);
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}
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}
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println!("{}", valid_total);
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}
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// use std::fs;
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// fn main() {
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// let input = fs::read_to_string("input.txt").unwrap();
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// let input: Vec<_> = input.split('\n') // Seperate the Time and Distance lines
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// .map(|line| {
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// &line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
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// }).map(|line| {
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// line.split_whitespace() // Split the numbers into their own elements.
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// .map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32
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// .collect::<Vec<_>>()
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// }).collect(); // collect into Vec
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// let mut valid_total = 1;
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// for round in 0..input.first().unwrap().len() {
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// let time = input[0][round];
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// let dist = input[1][round];
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// let mut valid = 0;
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// for remaining_time in 0..time {
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// if (time - remaining_time) * remaining_time > dist {
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// valid += 1;
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// }
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// }
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// valid_total *= valid;
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// }
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// println!("{}", valid_total);
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// }
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