Late start, but day 6 was suprisingly easy.

src/day06/input.txt

@@ -0,0 +1 @@
+bhzhtzzsczszsjjjzddfzdfzfjfzfbbnntnzznwzzvfvrrqmrmmdzzfqfhqhsqqpwpgwpppbtbnnstthmhrrsmmvsmmhjmjfmfsfjfnfnjjvcjjszjszjsszbznzbnzndzzmlldsdgdcddmqmfqqlcllbvllztzctzczdzttlmtlthtmhtmhmmszsllvzvdzzzsqzqbqccvfvcffzsfslfsllcglclwlvwvzzdsslggtzzgzdzmzddjljvvztttsgscsstztjztjztzvzwwthtftppnmpmmcpmmjlmjjjsfjsjppgcgwcggzffzwzbbmbrbprpqqpccfncfnffvcffsqqtzqzqwzwvzwwwbjbfbcbfblltnlnhhcthtvvzzfcfgfddlggbbshsggplglqqbrbggsvvzdvvlfvlvpvhhmggbrrnppjfjhffttfpffbdfbfvfqvvtcvvbvnnhbhhglgjgzzghhwrrtntrtwwfdfdmmcmtctftpptllzqllzflfrrgqgvgdvdfdbddprrrgccqvqnnmtmvmffpzzqggfbfnfwwqdqldqqlnqnttnbttrffnmmzwzjjtrjtrtmmqsmqmffqmfqfhhbthbhdhvdhvdvmvdmdhdshsqslldzztvvmzzdcccmbbhfhshrrrpsrrqqmdmmgdmmwdmdjdqqmcmttpgtgwgpwpprbrprhrsrllhsllprlplhppfzpffbhbccwdwbbrpbpvpqqmsspjssmbbmfmrmnrnwwgbwwbpwpjwwhqqgcqcvqccgffzpfftcffqlqjjznnlflhhlcczhzvhzhmzhmhfhnnqznntstwtggqjgjhggsvslltjlttfjjgffjzjwzzqzrrhlhzhbhphmhlmlzmzsmzmccvllgrrpbrbfbjfjttqjttdrdhhggqgddppqgpqgpgtptjptpllwccmwcmcpmcppdrrtstqqczqzvvlsltlddnvdvggcqqblqqsjqjttzhtzzszllqsqfqddqdbqddwqddfzzlczcscfsfpfdpdrpddsggcqchcfcpcssstwstwtggghvhqhzzqssjddwjwbjjsnjnfnwwglwwfnfhnnscsggzgjzzhzmmqfqsqwqrwqqqdtdcttzvvnbngbbcdbdggddnmddgzghhzgghwwbjbttlwlcctlccwwdhhrqrvrjjlglssgttpllwclwwtptwptwtvthtbhbzhbzhhrsrwwwnrwrfwfnwnhhnqqdjqjpqqwdwttzhttcdttvztzltzlzmzddrsdsfdsfftdfffmwffrjrffqrfqfsfqqqgqjggwzzrnnqfnqffdbfbtbbrpbrpbptpwttjmjjzrrhhqppdzdtdjttqwwtddjdzzmgzzhwwwdsdgssprsrgsgbbphhdpdwppnfppdqqwzzpbzzqwqpqsqhqdhqqtwwjnnmvmwvmmwwgjgzjjvcjcvcjcnjcncmmphmmvmwmwpwbbtbffhnhshgssgvgvrrbwbtbddqmqfqvvfqvqdvvdbvdbdcdfdlflmffrwwgmmttrztrrfrqrpqrrzjrjpjdpjprrnhhbhcbbcwwqlwwcssbddfrfjrfjfrjfjvvdmdtdzzlvzlzhzmhmhphchnnfqnffvccfpfbfpfqpprrmttzrzzjzmjmzjmmfvmmrzrqqdllgjlglcchssgllsbllrbrlrjlrrhhfwwsqwsstpssznzcznzqzssvtvtrrqwqvvtssgfsfhssljjnwjnjddjdggclcrrfsfhsstgtdtctfttvvsbvvbtbttcgcssjlslhlpljpppwzwnwdnngmgjjbzznwwdllrrfppshhvdhhldhdbbdbjbdjjrnjjzhzfhhsqqbqgmsbvnjsptlrsszlqfmgprvscphmqztbgtlrqvcgdzcptcqjncrdtfqnghnbmwwmcjgtjlbvqqzslgbbntrdfnvfjvfgcgngndjcspgwmpnsrqzzvzljbzlzzrwflrqqqmhsvqwbmdftnhwwzgqrlhddbbtwvbphljmstcjzvpjqwcnhlvpqvqdgvntgqzqwrlwbwvngwtqgrhznlzcvbwqmwncccjctrdzrmzjsvrmcfpjjcczhbvdfwhqvczggfmrspvprvvthvtqnsphpcsdmbrtbdqljvssdrhwjsrrlzprstpgqcbpmnpdgzgjttwcfrgjnsghmszlclgvmlsjrqfvflbnhwwphtvrnrbhdvdglcvgpzfsjpwwhtlvvdzthsrldfzhnlrblzsjjnwclqsqzgdbflhvpwcrtfbfbjcjttbjpvfgvfcswnqqwshbmqlscdzzwshfqwsvwnwzltbnrmzzhzvtwpzqcgwshpvzgtcmwrtrwctnpzbznnwqphnrgwljtrcwlqmvlndwrdrctztnmswslqmbjcmtlrmcpjvzccqszrnflqnqzttbhqlrhbmqdpscqvfgtdbnwjdcljwcbgbgjfzgrgpwqzqgbnrtpntfthhdbqmswvhnmwmszpghgjjzrbnbbfjblpstdfslmmmqfdcrhblqjqfphnldrvvfpnfrcvprjnqbzbspfpjtgqhnjbhnrwzcjvdbshhqpgrmzqpmjfmqwqvvdbddbsldwzzsrhnhsjjnvljrbwcnjrnjpmrrvfthftgptgtlpbgqffthflgftwcrqcqwqwrmrcmfrcqgmrnqjbscdcgrqlhjzthvzdgjbvpswflqcgsnlmgmvcsttsgmnqdtvwdvrndvfdcvrcwmqlmlhtrvthsndsrmnsfmdmfnpfmfhzjqmtcjzcrnsjdztztvgdtlrmbdmmstbfgpmmzthcslpvgrpgfljfgqlqhldfwvvvdvbzjtdtppbtrnqwsqztjrsjhtfrgmvsdngvsdzjgpwrldqpzdpvhljzpjvttwltdwcrhcbrgrvdrmpwvdwjchqsjfprbgtjtzggvgrgmlvvwqrjfprbbgjjqrtdfnrdffwbswbvqtqtfsrhsgrjhftqldhmcnmsnfflmdrzqdjmbqqgqsttdmtrrvfsjnccnhcpcvqtrzdjzrpwswmjvvgsgwvnmdgqwlctrlhqnsmczbwsjhmtgvdcgsndzlstcwchcztqqbtdwfvlljdvdlzljslgnzpmqvzfcvqhdzvgchffqgfwrnmwqzwgbzblpmvddlvnhglrhdnwzqwztzgjczjpwcjwmpnrnrhncfjfggrbphrjztwtfqmfjlwfhnqfftfghbnvtwgtmdzzrdrtmfrwhrrbhzmcllsgqzwzzqtgdggvzptvtdcpzmtmsfcfbjtzlbdrwhdbtdhhrgggmddnzsvjwgcdcqfppqwphfvlhmgqsznlhmgpnjvcvrwwppnphchgsrhjwjcpjggsrcwrvnllfgrmjltfzwhmbqwpwwzmrtlqcprrqztcgnghcbvzrbfptjmhtdcfhhffdbrswqpnpppnpqwtflrrmqgjzctmmvvvwzllbsfdvpqjtmvpjcpmjztscsgbdznfgcmtjzdqzwqrsvstnnvddcstzqjtnbsnlptpmbmfqmhppgnjrffqrtchgptbmwlwbwbcqqfngpbwtwdmlmdstmqwcwjtbwbbbhghgptmvhfmvqfvpwqzwnbjdhpwlgjgvprdjbnlzhnllssbpvzfzspwsscfpqtpdvtzvqncfrfrgddsdglqvpblmpcczlqfdmwzmgvrljhqtcglcvfhbdwhbttqqrjbqwhsrhrbjwmtqwqddvdggdwfsmnpbpvvgsqnvvrqntwmbzdnqpmmqtbnlsbmslpfmqjtgvbddhwvlvjtlrhqdpfnjwtbhwjwdrpgctbbrdqvbbnvgqwngrhqfvwzmlqtmhfqphnmczlbdpnbmpvwrsjbcnjnvcfgnsvlhpzdgdzgvfbgwdcrswznrggnghzssdwqvvlwftqhbnwdvghhvjlqqmcnqmvbwhrrnsswlwmwbsmpcpdzzgmcmqnzpvjpzqbwcsgdhqtqhcpbtqftvscmntsbdcbrndvlfhprpblzbjcpqhfljtvnvtgvrcgqbsgl

src/day06/part1.rs

@@ -1,7 +1,11 @@
 use crate::utilities::*;
 
-pub fn part1() -> usize {
-    unimplemented!()
+pub fn part1(input: &str) -> usize {
+    input
+        .as_bytes()
+        .windows(4)
+        .position(|x| !find_dupes_stupid(x))
+        .unwrap()+4
 }
 
 #[cfg(test)]
@@ -10,6 +14,10 @@ mod tests {
 
     #[test]
     fn test_part1() {
-        assert_eq!(part1(), 0);
+        assert_eq!(part1("mjqjpqmgbljsphdztnvjfqwrcgsmlb"), 7);
+        assert_eq!(part1("bvwbjplbgvbhsrlpgdmjqwftvncz"), 5);
+        assert_eq!(part1("nppdvjthqldpwncqszvftbrmjlhg"), 6);
+        assert_eq!(part1("nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg"), 10);
+        assert_eq!(part1("zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw"), 11);
     }
 }

src/day06/part2.rs

@@ -1,7 +1,11 @@
 use crate::utilities::*;
 
-pub fn part2() -> usize {
-    unimplemented!()
+pub fn part2(input: &str) -> usize {
+    input
+        .as_bytes()
+        .windows(14)
+        .position(|x| !find_dupes_stupid(x))
+        .unwrap()+14
 }
 
 #[cfg(test)]
@@ -10,6 +14,10 @@ mod tests {
 
     #[test]
     fn test_part2() {
-        assert_eq!(part2(), 0);
+        assert_eq!(part2("mjqjpqmgbljsphdztnvjfqwrcgsmlb"), 19);
+        assert_eq!(part2("bvwbjplbgvbhsrlpgdmjqwftvncz"), 23);
+        assert_eq!(part2("nppdvjthqldpwncqszvftbrmjlhg"), 23);
+        assert_eq!(part2("nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg"), 29);
+        assert_eq!(part2("zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw"), 26);
     }
 }

src/day06/solve.rs

@@ -4,11 +4,11 @@ mod utilities;
 
 fn main() {
     let _input = include_str!("./input.txt");
-    let _structured_input = utilities::parse(_input);
+    // let _structured_input = utilities::parse(_input);
 
     println!("Part One");
-    println!("Result: {}", part1::part1());
+    println!("Result: {}", part1::part1(_input));
 
     println!("Part Two");
-    println!("Result: {}", part2::part2());
+    println!("Result: {}", part2::part2(_input));
 }

src/day06/utilities.rs

@@ -1,5 +1,14 @@
-pub fn parse(input: &str) -> usize {
+/* pub fn parse(input: &str) -> usize {
     unimplemented!()
+} */
+
+pub fn find_dupes_stupid<T: PartialEq>(slice: &[T]) -> bool {
+    for i in 1..slice.len() {
+        if slice[i..].contains(&slice[i - 1]) {
+            return true;
+        }
+    }
+    false
 }
 
 #[cfg(test)]
@@ -8,9 +17,7 @@ mod tests {
 
     #[test]
     fn test_parse() {
-        let input =
-"test"
-;
+        let input = "test";
         assert_eq!(parse(input), 0);
     }
 }

src/day07/part1.rs

@@ -0,0 +1,15 @@
+use crate::utilities::*;
+
+pub fn part1() -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_part1() {
+        assert_eq!(part1(), 0);
+    }
+}

src/day07/part2.rs

@@ -0,0 +1,15 @@
+use crate::utilities::*;
+
+pub fn part2() -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_part2() {
+        assert_eq!(part2(), 0);
+    }
+}

src/day07/solve.rs

@@ -0,0 +1,14 @@
+mod part1;
+mod part2;
+mod utilities;
+
+fn main() {
+    let _input = include_str!("./input.txt");
+    let _structured_input = utilities::parse(_input);
+
+    println!("Part One");
+    println!("Result: {}", part1::part1());
+
+    println!("Part Two");
+    println!("Result: {}", part2::part2());
+}

src/day07/utilities.rs

@@ -0,0 +1,16 @@
+pub fn parse(input: &str) -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse() {
+        let input =
+"test"
+;
+        assert_eq!(parse(input), 0);
+    }
+}