Day 6

input/06.txt

@@ -0,0 +1 @@
+jfnjjwbbqttplpvllqgllmdllfmllscssqmqzmmwzznqnwqnwnqnjjbdbpbtbdbzzzljljzjjpccrmmppzfpzfpfnfccfbbcqcrcffblfbftbfbtbwwwmgwmgmnngnllnfllhghcghhjppchcfcnfffllmmqbmmpwwwwlqwwqgqcqsqjqpqzqqdzdtztltslsljjfqfcqqgbqqqghqgqvgvrggqwggrgjgmmnrmmzgmzgzpzjjctcmtcmcnndppcvpvrrwvrvhrvhrhjhnjnvjnjrjggccvffnqqvfqvvnmvmqmfmfqqzfzbfzzzgpzpllrwwnpwpnwnwgwhhrrdnrrdjjzjszsjjbddcdbbvmbmqbqnbqbsqbsqqwbwhwggssdnnmttvnnvmnmhmfhhjchcttzdzdqqszzcwwhhwzhwhphqhcqqsggddfmmvzmzwmwfwzwrrbmrrnwnfnwnlwnwrwfwnnmtnnzwnwdnnbhhrphrhlhwllpmmbcbtbffmqffddjnjwwzpzfpptbbqqwbwzbzjbjmjljblbtlblqqhqbqggrngrgllbmbccmhmqmqwwqcqssqzzfjzjrjnnqrqssfnsnvvtgvvmsvsqqljjbsbrrjllvfvzfzmzhzzhthjhshlslfljfjqjpqpvvmpmhpmhmqqmmdwmddppjlplhlsstlssgnggrbblggffcdfdzzwqqtztqtwqtwtzzsjsbszsbsvbvwwjqjnnpdpccwssvdsdzzqbqbtbtqtmtltltvlvddzwzzfpzpjpgphprpgpqqwppdwpdplddvffcdffvpvqqgvqgvvrfvrvqrrcjcpjjpttftqqvjqvqsvqsvqssdpdbbbmcmscsddbhhgttwhhjlltqllnqntqtsscnntwwhswswlwggldltlttsjszsnznsznzccbtbblplnnmfmqmrrvjvhjhzhnzzgnnhrrdrllblpbllfdfjjssvnssvlsllnqqhwqhhhsgstsjstthrrhrghrhhfmhmwhwrwwsrwrfwwdnntqnnsvnvmnnfvnntztqzqhqnqjnnjfflbfllrsllqhqdqccgvgnvvcwcfccmssqnqhhqrrfrtrvvnjnpjnjjpplmlppvmpphjhppvhvdvssjcjrrtrdrrsvvbbjzzrtztgzghzhccwmccshhzbhhdwdwsdswwlcwllpblpphrppfhfnffrbbcgcmggnvnzzmvvcrrftrftrffcscvcsslbljlglzgzbzczszmsmbmnbbhdhvvsqvqhvvfrfddbpwgvztwwqcpzhhwnhphnrwldjmztsptbbgsqbqqccwbdqzvhfjlfldgphzbfprclgpfztbrgvsvfpghmdchscbdqjqgzvmrtdrfzbhgdvgznjcsmglcfwhdtpsljnvvzjcbbrczwtgpdmgpzhctvbbmvsjzthffsjqhfsdrclpqslbhnmpczwvggpzbjcchfjzjhhgtrmlgnzlndfvzrccgggrpmprbmjbfjjhzrhrtwgqdbgdlqghssrnmtmpvttcqwnwdzhgfnddgbqcsdvzvwqdnmmpwrwhfbqtcpqhvwbczrmjqzsntvdrncwjsmvvwcngrtlwtjmnctwrrtvphbjhlqmgzfsfsrblzzvmzlbhzjhwbdfpncdrfchmrqhspdszcjrnvwtmjzmsmzcdphsdzjgqswwrpdvlpvrdnhplnlmswvcrzlcmbtqtscjfwrnrctrvdqcqzwcvgvpdgrndrgsrvzftwpqjjgjhzwhvrjlqntdtcjdrqzhqlqqdffcgvttlhvwgggnwmdlvghfgjpsmntbvbjbbttrwsljwsrvtmznvqdptpwtdcwtcsfdjlmdqthqggjcptrqhbsbjzqqmvvjmgmppqmjmnjdqvspzlbgzjsjshpslmszqnzghsszpsmpzfcrqqjdwvtbnzstvvjzvtzgpptcmvmbvmpvpzvgfnwtlmdzhvhshtwvnbgwmtzqhcptflpqsqvmptchpfcbwhvjzdcnsnqrgdwfcthqfssnbqnvgvvhlzqfqmdlcwnshtvhhhpghjbmhdbfbqcvbnbvwbzcbbmjnrqmsdqnmnbsrvhggzsrlbwtfmgwrnlhrbrrrqdcspnrpnppngrtdqtbmbhcbjrlhpfjpdnfndmqvwvhlgmsntpwrlrwwqhwvzbpzqqggnbqlsjjqtbqjcdpmndgmtdhfbqrpdzzsnmhzmqqnbdqftqmnhfbdzdlfwgjsjhrcsmtfzgwbvbbzdrlbmcgmppqfppmbqrnsmrmhrdsvgcfmzpfnvrbbgfccfcbphszwdbnnwcjjvvlpdtfzgtslvgqwmsvlpzjcbqwqclrjrsgthhtqrqrhvsdfjntgllsvslrvdtnsdmrgtqcmswnqwlrwlfmcfftbjpvdnmczqzldsssszhjtqtqvqtwhjcqchjvqvntvzzzprbmjcctsqfdcvpbtsgnnsqtqnmjhrgqcjnzrdsgrbtdpqjbgcmnfwhnsrfwcdmncjzwcngfbmmrsbvgvvqpvrdjfsqwjdmqjdpzcbjjfmzjjgbnwqgrvpmbzdhsgtldrzvglscfwbmjltcrzrgdslgprwscwbrhtdtglznjdcvfjzjjqzntdqdbcrcbbmvnzdshjzcsfsgpghmgdqdwsnwjtvtbqbqccbcwjpnhdhzcvdssvnvqtvzwprhpgftdwwvgsbnlzzjppcrrwmrsthvjjrvrsdrbdqfgsjsmwfplpstrbnpdhhcblhjfwzngmhlwbvnfcbgwshspsbbgbldrvmcnczszpgnddrfwrtgcqjggrrcbjwrdjlrvtspbftrtjbzjwchpfnjctcjtwtpmtblczcftqlphdjczfrvtzlsglpvhqsqqblttdjrlczhrqsgpggmvnhpqtrfbpgvzftwtsmwhwswtpvtwnsshmlcffpcjshqhqqsjtpbgszscmcbnhjjtjmpgfdhgmljqmmwlfptstjjvqhcbjpjpwzwqflhslclzzjlmcttbsncqmfzhgnzwbdtnvfwbtztwbhtfsqjfzwmfflmbwnqzqhcjwdpbvngsgzlwvwcqhqjsndznbbdcqqhmjjpqjbsnvwztgmqwdcbbjvcndmhsbvbjnzlbscmgnjcrrwrfdljtcsgmwtffgcjflpzzdcnzvmrbnrjbbmhzqqjtgsrwqmmrhpndwlbnrtrhhpqlmdrcrtdmzsslrmffpftdjvfcpvvhzhjhqtrrsclvtbsccgmmqrjbqgbmpnbzlsncssdhmjppjptvddfgbbnjzjjldjlqjzhhttsclrmsgzctwjqqvtjlfzwgtffgrdjzwdcnrprlcswffghngrqcgsbzqhhvbfjtwcjlrrmbtqjdrgpnbftnmzqnndnqwgrqndlwmjnnspbhjlnzrnptnrmcjhpbfcqpvbchvdwthjlcrfpssgtfbsgfrftcrwttrspbsvzpvcczmdqslcdgfljvtjsdpjnwmdvfzfllrdrbgvpltzlqcrlwbncswhfvrdthspmhfhfdlvpbcqlmjfznhnqblffftgzqrtswnmtnvjprqqhhhvrscvbbzgmnlnprghfdjqbgjppjzjrnclfdssbmgspwcscnlcrrqmtlljrmcwgdgcqwvvjzvsjdjvsspszlcthwzrwqtzdgmqvnlvvzrvrpqqwswzcchncrpnjdmflvmhhwvrrstpvnszfrmvpdtpqpbdmwvvbbpjnwmtststtlcvqdnvqqphzlhhzbbbjssgdcnhlmwrzwvwmcmgrcngqzcnffqzfnvldpdjmsspgpbrzhnszfnljfcrgsjvqjjbstvghlcslhqlzhltpglwffrzfgjghssfgrptbnpbhqnhhfbjsnmsvltqpthdmzzrhrhhmzlplvrtdqfrfrppdpqnllblcfjqpdwznsbrhcncdpmztcrjrfnlwtznrmpbzqsbrqrbnthgfpshrdhnwjmrnsmsfqwdjsmsvhfrbdpjrwcvmdvvmdtfqjgmdsrqtctsdmznngbsrfjvhllgwt

src/bin/06_1.rs

@@ -0,0 +1,27 @@
+use std::fs;
+
+use anyhow::Result;
+use itertools::Itertools;
+use itertools::FoldWhile::*;
+
+
+fn main() -> Result<()> {
+    let input = fs::read_to_string("input/06.txt")?;
+
+    let chars: Vec<char> = input
+        .chars()
+        .collect_vec();
+
+    let answer = chars
+        .into_iter()
+        .fold_while((1, ' ', ' ', ' '), |(i, f, s, t), c| {
+            if f != s && f != t && f != c && s != t && s != c && t != c && f != '' {
+                return Done((i, f, s, t));
+            }
+            return Continue((i + 1, s, t, c));
+        }).into_inner().0;
+
+    println!("{answer}");
+
+    return Ok(());
+}

src/bin/06_2.rs

@@ -0,0 +1,32 @@
+use std::collections::HashSet;
+use std::collections::VecDeque;
+use std::fs;
+
+use anyhow::Result;
+use itertools::Itertools;
+use itertools::FoldWhile::*;
+
+
+fn main() -> Result<()> {
+    let input = fs::read_to_string("input/06.txt")?;
+
+    let chars: Vec<char> = input
+        .chars()
+        .collect_vec();
+
+    let answer = chars
+        .into_iter()
+        .fold_while((1, VecDeque::from([' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '])), |(i, mut h), c| {
+            if h.iter().collect::<HashSet<&char>>().len() < 14 {
+                h.pop_front();
+                h.push_back(c);
+                return Continue((i + 1, h));
+            }
+
+            return Done((i, h));
+        }).into_inner().0 - 1;
+
+    println!("{answer}");
+
+    return Ok(());
+}