day 16 added tests
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@@ -4,15 +4,21 @@ use std::iter;
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#[allow(dead_code)]
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pub fn run() {
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let input = "03036732577212944063491565474664" //"59750530221324194853012320069589312027523989854830232144164799228029162830477472078089790749906142587998642764059439173975199276254972017316624772614925079238407309384923979338502430726930592959991878698412537971672558832588540600963437409230550897544434635267172603132396722812334366528344715912756154006039512272491073906389218927420387151599044435060075148142946789007756800733869891008058075303490106699737554949348715600795187032293436328810969288892220127730287766004467730818489269295982526297430971411865028098708555709525646237713045259603175397623654950719275982134690893685598734136409536436003548128411943963263336042840301380655801969822"
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.chars()
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.map(|it| it.to_digit(10).unwrap() as i32)
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.collect_vec();
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let input = "03036732577212944063491565474664";
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// let input = "59750530221324194853012320069589312027523989854830232144164799228029162830477472078089790749906142587998642764059439173975199276254972017316624772614925079238407309384923979338502430726930592959991878698412537971672558832588540600963437409230550897544434635267172603132396722812334366528344715912756154006039512272491073906389218927420387151599044435060075148142946789007756800733869891008058075303490106699737554949348715600795187032293436328810969288892220127730287766004467730818489269295982526297430971411865028098708555709525646237713045259603175397623654950719275982134690893685598734136409536436003548128411943963263336042840301380655801969822";
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let input = to_digits(input);
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task1(input.clone());
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task2(input.clone());
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}
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fn task1(input: Vec<i32>) {
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fn to_digits(input: &str) -> Vec<i32> {
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input
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.chars()
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.map(|it| it.to_digit(10).unwrap() as i32)
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.collect_vec()
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}
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fn task1(input: Vec<i32>) -> String {
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let p = [0, 1, 0, -1];
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let result = (0..100).fold(input, |old, _| {
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(1..=old.len())
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@@ -30,10 +36,12 @@ fn task1(input: Vec<i32>) {
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})
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.collect_vec()
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});
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println!("Task 1: {:.*}", 8, result.iter().join(""));
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let result = format!("{:.*}", 8, result.iter().join(""));
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println!("Task 1: {result}");
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result
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}
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fn task2(input: Vec<i32>) {
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fn task2(input: Vec<i32>) -> String {
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let l = input.len() * 10_000;
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let big_input = iter::repeat(input.clone().into_iter())
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.flatten()
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@@ -74,4 +82,26 @@ fn task2(input: Vec<i32>) {
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let offset = input[0..7].iter().join("").parse::<usize>().unwrap();
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let message = result[offset..offset + 8].iter().join("");
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println!("Task 2: {}", message);
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message
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_part_1() {
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assert_eq!(task1(to_digits("80871224585914546619083218645595")), "24176176");
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assert_eq!(task1(to_digits("19617804207202209144916044189917")), "73745418");
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assert_eq!(task1(to_digits("69317163492948606335995924319873")), "52432133");
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}
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#[test]
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fn test_part_2() {
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assert_eq!(task2(to_digits("02935109699940807407585447034323")), "78725270");
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assert_eq!(task2(to_digits("03036732577212944063491565474664")), "84462026");
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assert_eq!(task2(to_digits("03081770884921959731165446850517")), "53553731");
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}
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}
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