day 6

3 files changed, 43 insertions, 0 deletions

diff --git a/data/2022/6.txt b/data/2022/6.txt
new file mode 100644
index 0000000..f86c568
--- /dev/null
+++ b/data/2022/6.txt
@@ -0,0 +1 @@
+hrbbjllllspssblslvvrdrbbpbbmcccfppvbbwvbbmrmjrjrfrgfgbffgfqfqlltlwttscsncscchssrppffvwwvvpnnwwwpvwvhhnvhhbttvzzdlzdlzzwmmjhhznnjdnnnqddbtdbdbsdsmdsdrrdpdwpdppgcgqgcctftsfszslljbljbjwbwbnwnqqrnnztntmtrmmzwzdwzwgwwwjhjsjgjtjjhpjhhppqzqdqffrvrtvvsmmgwmgwgbbclltctptzpzhpzptzppcfpcfftflfzftztddzgzmmfsmsrmmsstttvbvmbvvsmsqmqlldjdtthwtwbwggrzzjrzrcctffsshqshhpthhlnhlhqhdqqrwrmmcttpfttzfzgzdgdzzwrrtsrrsnrnccrbbsssbpbjjvzzwlwtwjwsjwjggzqgzzrsszzjnzjzwjzzcrzczncnqqztzfzhfhvvtjvjdvjjmrjrppvzppczpczcggshghvhnhhsrsnsdszzdpzpzlpzzhwwmnwmwmcwwfnwfwjjcbcncllcsllqdqzzhqhmqmbbjvjjwwcjjpnpllzfzddtmtccqrcrtrwrpphpmpplslmltthnnvhhvrvbblhhrrdqqmbqqgtqggdgcdcvvsbsswvvpggbbtftlflglzlmlbbfhhrshswhshffhhdnnrfrvrmrnrprrmfmpmnpnfnggvvcncdcrczrzccpmmssrbbdjdtdrdwrrwhrrvrtvvszvvwvzzmhhjhhwlhlqlvlttzftztdtstftrfrdddmtmzzsqzqvvpdpdcpcncnrrtntznzrzgznztnznhhsqqnrqrhhlzhzthhfddrzdrrqmqggcmmllnjjvwwjccfjfqfcfzccwvcwvcvjcjtjtnnqsqmqrmrzrszrszzfwfggnmmcdmdjmmhwwgfwfnwnlwwcffsrffvnvbvnvwnwgnwnmmbzbmbpplmplpspzpmzpzdzgzrzrtrjrbbppwvwgwmggqwgghqqshhcwcqwcqcfcbbnsnrrtztzrtrvtvhthzhmmrqqrwqqsjqjcctgtwthhqmmnffmgmdgdlgljjhwjwggrqqfrqqjvqvhqqgsqsgsttmrrbprbppmjppslpsllvlfvlvrvhvtqmrjcdzwsbzfmgmwmwqwhztqrsdzhqjqvbjbntnbndflthljcczdmmhszfgsplrtlqnfzbrlqngwdqtfwcmrdjrsmdpmjmqwrbwfjzwnvqhfmlqtvvnlfzbfccwslqpbzzjccbvrzhghqwtvqgwrmsfzqnmnqqjsjtpcmngpqgllfsnpqtjjbqcdppnsmtwrslnrbqtwvnbctzvwfmgctscmzjbqqgqdwbpzmrdwgfcjzftzgmfcjhchbnmnqnrgtqngwrmncjvptqqdtjtgtpzzdrfsdgmwlwrjnqldbwrqjrhwcczlzvlhpgrnwzhbwjnpthggczfgtrjnzvnlfdfbwcnzfbwlwlmgnnjnpvhbhqgnzhqsnmvbcftsmrcgpvnnnmgnrvpbzlpwnbwpzmwpgqvbfgjwfrjqnvvgmqwwcfddqmdznmfhpjcfgptqdqwmplrglbwlmsqzjshrlhflcjvptgrcfhjfgqmlfzrtphpbvcqzwpcnwljjdlmqzhcctqshdngrgtlfsrfccdtlvmqcdgnpcvphdsrpzfzwclvsqcpzqlfvvqzggdhpfzdvhshglvfzfmcllrdfjfsjtngjgddcpqnlmrnplwtlvwdvzftltnsnspcdztgqhlhvvbnwvnmhscfnqbngpvprzfrjcmfpfzfftrlnwgllhnjndpjdrwcgqpcgcqngnbfzlvzvhnqdjthflmwvppmbdssddmgsbgrqnpjzrjpzdddqgsdlmwnhhpjbthclvqhgrsnrbqgtnsjhncnzbhrdgftvbptrqssvsqfpqnddhmgwcrfqndqjsqgffmhdvqhjrdlmrlcqctqccprwlbqgqrwmtfhwmfjfqzdqbsdsjbtsvfvgbsrvqwnqqqqthpsqgcfslsqtnjwtsrcdcctggdghrjwpbfccrtwgszwbrsjswmjmjbcqrsgbcfsdjzsbjnnssnddnnvwgftlrqvphnqcgjszscrlhhjnljlqcjqtqfwbmdmrgdlcqqwmbsmsdhpplvlfglqwspbfptlbzqjwhqmfvzvsvpjclcdzsbvntmhdqdvhghcmmflpjbglsghbswdshtsbdrgpsrsclrmfwwqbrgdjsqztgttqpwhnfhszlgbfpzhczsnwqflmshlgbrpmdzgpqwtsbssgfjbtrwbmztlwwfmsdgpgfgdjfdccwlfgztbcbqjvjtvslmddjplrswwcszspgplsrhrnwnmrrfbcgdmntcrlvnfqtwwcczsglrhtrfqnmhvgzjpmlplqvqhmnfgvzqcmzhqszgslvndqtqhvrbvbmclbcbjdswvcjrzgfdmdwnnlzlzqcffsrqdfmmpzfnmdsnqlpcrhzsdnsflblcjsfsgcnsspftjrlmdjsmfpqtmlgfvnlfnjscsgwzwvpjrvvclhsbqldlnmtglhbjfwlzmvrbvgtprfjbjhhnlqnbrswwlqtcgrjrltdrnfrjhrntllptlsbhqrwvdsfrlghtfcndznzjwcgmtdvffltgrdmljlqhdtmdvnfsfsrvdpmhlrrsttvqlwfptddwbpfrbclwwzmfpttmrmmqzjnbbnnfvzwmmcfshvrlbdbjzprftbqvdsghnnzwbjccpthdsvsdlgvphsgjdqjwsgmzqnqpqvgqjvwgjtzpmqqwnlwrwhqqjjclcbhjgpwhqdclwmqfmwbwmwwvcbhfznfhcfbprfcdqlbcttnvgnjwswcmpbrghtzgdbppbprffzjgvddzpwmdctrhnrfzdfhtmnfrsfdqvzcnrtncflhvldcndwqtvbggmwlzhchlcwtcbqcvlfhdwljgddwpvcfczvfqmphgtdsnsqwdpvvmwnwqjbrjwbdhhgtffphsdrvspsbgmfrmwmhnrgqdfppzgfpgmqjcsnglczgwhjthfhztzrlpgzjhcfrjpjvtjptptbvflftjtcfhmbwlhlbhvnjnbfmwjrgbvvhmdlncdgncgfjcnnpdljfcjsmsfscqpwsgcmlhhqmldsnjfrrqpghwncmgwgnjsdtvbhrbbnmpqjrrctqqnqzztmbqmdsgdvmmlwmbvprllzgntnmttrlzrttmjjlrwpwmtfznmwnsjmjhjdnsppfhcrjpzhjqzdtdbsjshfzzvrwvjbjbgtsfpgggbdztczwlhpmthfjdgsbrvlwmlrvgdrpjzccwmgpcnqqzmqdjqmwsrzwsmtmdjdhmjrwfwnzlmfnqtcgtslwtlnwhvmqntmglhntnsjlnmzfvfdztcfwmpchsrsdmqvqcwljzrmmssjvbmvvnmqlbsdwnrbmqctdtmfzlgfzpmjcnftgftvjpfbwwmzfdrrwjwcfwfcfmzbbnppgjrmbcvmvnjpdrzmvndvddtvshlnjjwgtsvnwtwnhcbfpnthpjlrhgrqccdgppjvdqjwqrfrrgnvhfwvjhnwhntnpmghphrtgqhwtbrqhqljfdjbgnlgmqqgfcqpqfhcpgspdbvlbfjvlrgmtjztwdzlrhqwwtcpdvsqgssjbjjgqlwbcctzzqvvmdzpfrmspmqhtzwgcfsslpnhpjfwqrrfbwbndrvhnnsjnlvlvqdsgwzjsrprhgtvsfbhbcpljdczbtdwzcnhzntrwcrjctmhtjfdlthznzmqblppzcqgpjhlzjrmcvpptfjjzltdhmvwphwlccscwrwfcqpqwwrzcmnltzdcfvtjrcvsqwtchrmdfzjmzjfhppjzbhglwqggzqqnspfmzrfwrqdqdrsdbsdhcgdqrrnjlwrqhfhpzjhrvjndqphndnnnbwhrjvqrrbvlhhbljjcwmfpvnhcszfshlsnczgtcfhjslbhzczdqdmdnvqdzhbmbpcnbntwgllfscrcwhfrgtfvftmwhbgfhjzjrbvvwc
diff --git a/src/2022/6/mod.rs b/src/2022/6/mod.rs
new file mode 100644
index 0000000..b736294
--- /dev/null
+++ b/src/2022/6/mod.rs
@@ -0,0 +1,38 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+use crate::prelude::*;
+
+pub fn parse(fh: File) -> Result<String> {
+    Ok(parse::string(fh))
+}
+
+pub fn part1(s: String) -> Result<i64> {
+    for (i, slice) in s.as_bytes().windows(4).enumerate() {
+        if slice.iter().copied().collect::<HashSet<u8>>().len() == 4 {
+            return Ok(i64::try_from(i).unwrap() + 4);
+        }
+    }
+    Err(anyhow!("couldn't find marker"))
+}
+
+pub fn part2(s: String) -> Result<i64> {
+    for (i, slice) in s.as_bytes().windows(14).enumerate() {
+        if slice.iter().copied().collect::<HashSet<u8>>().len() == 14 {
+            return Ok(i64::try_from(i).unwrap() + 14);
+        }
+    }
+    Err(anyhow!("couldn't find marker"))
+}
+
+#[test]
+fn test() {
+    assert_eq!(
+        part1(parse(parse::data(2022, 6).unwrap()).unwrap()).unwrap(),
+        1155
+    );
+    assert_eq!(
+        part2(parse(parse::data(2022, 6).unwrap()).unwrap()).unwrap(),
+        2789
+    );
+}
diff --git a/src/2022/mod.rs b/src/2022/mod.rs
index 23bf3bc..6446b37 100644
--- a/src/2022/mod.rs
+++ b/src/2022/mod.rs
@@ -10,6 +10,8 @@ mod day3;
 mod day4;
 #[path = "5/mod.rs"]
 mod day5;
+#[path = "6/mod.rs"]
+mod day6;
 // NEXT MOD
 
 pub fn run(day: u8, puzzle: u8) -> Result<i64> {
@@ -25,6 +27,8 @@ pub fn run(day: u8, puzzle: u8) -> Result<i64> {
         (4, 2) => day4::part2(day4::parse(parse::data(2022, 4)?)?),
         (5, 1) => day5::part1(day5::parse(parse::data(2022, 5)?)?),
         (5, 2) => day5::part2(day5::parse(parse::data(2022, 5)?)?),
+        (6, 1) => day6::part1(day6::parse(parse::data(2022, 6)?)?),
+        (6, 2) => day6::part2(day6::parse(parse::data(2022, 6)?)?),
         // NEXT PART
         _ => Err(anyhow!("unknown puzzle {}-{}", day, puzzle)),
     }