Day 06

deno.json

@@ -29,6 +29,7 @@
     "Day02": "cd ./src/02_RockPaperScissors && deno run --allow-read=./input.txt RockPaperScissors.ts",
     "Day03": "cd ./src/03_RucksackReorganization && deno run --allow-read=./input.txt RucksackReorganization.ts",
     "Day04": "cd ./src/04_CampCleanup && deno run --allow-read=./input.txt CampCleanup.ts",
-    "Day05": "cd ./src/05_SupplyStacks && deno run --allow-read=./input.txt SupplyStacks.ts"
+    "Day05": "cd ./src/05_SupplyStacks && deno run --allow-read=./input.txt SupplyStacks.ts",
+    "Day06": "cd ./src/06_TuningTrouble && deno run --allow-read=./input.txt TuningTrouble.ts"
   }
 }

src/06_TuningTrouble/TuningTrouble.ts

@@ -0,0 +1,44 @@
+const input = Deno.readTextFileSync('./input.txt').trimEnd();
+
+function findMsgFrame(stream: string, messageLength: number) {
+  for (let index = messageLength; index < stream.length; index++) {
+    const frame = new Set(stream.slice(index - messageLength, index));
+    if (frame.size === messageLength) return index;
+  }
+  return -1;
+}
+
+function findMsgSlidingFrame(stream: string, messageLength: number) {
+  const frame: Record<string, number> = {};
+  for (let index = 0; index < stream.length; index++) {
+    const charAdd = stream[index];
+    frame[charAdd] = charAdd in frame ? ++frame[charAdd] : 1;
+
+    const charRemove = stream[index - messageLength];
+    const count = frame[charRemove];
+    if (count > 1) frame[charRemove] = --frame[charRemove];
+    else delete frame[charRemove];
+
+    if (Object.keys(frame).length === messageLength) return ++index;
+  }
+  return -1;
+}
+
+function findMsgRegex(stream: string, messageLength: number) {
+  let re = '(.)';
+  const backRefs = [];
+  for (let i = 1; i < messageLength; i++) {
+    backRefs.push(`\\${i}`);
+    re += `(.)(?<!${backRefs.join('|')})`;
+  }
+  const match = stream.match(new RegExp(re));
+  return match?.index ? match.index + messageLength : -1;
+}
+
+console.log('Frame Solution Part 1:\t\t', findMsgFrame(input, 4));
+console.log('Sliding Frame Solution Part 1:\t', findMsgSlidingFrame(input, 4));
+console.log('RegEx Solution Part 1:\t\t', findMsgRegex(input, 4), '\n');
+
+console.log('Frame Solution Part 2:\t\t', findMsgFrame(input, 14));
+console.log('Sliding Frame Solution Part 2:\t', findMsgSlidingFrame(input, 14));
+console.log('RegEx Solution Part 2:\t\t', findMsgRegex(input, 14));

src/06_TuningTrouble/input.txt

@@ -0,0 +1 @@
+jghhttcmttdwwfjjjpqjqllwvwffswwqmwmddvndvdrrcwrccfncfcgcjjpjrjzjggczgglhllbzlztlzzswwbqqrvrvqrqcrclrccrbrpbbzhbbzvbbwrwswqwqqgmmgqmqmdqdhdmmfnndpdvvdvdbbmgmqgqgqmqrrsbsrrzcrzrcrvrddpqdpdwwsvshvshvshszhshddjllbjljjwhjwhwppbssdccvzzmvvwrrrhmmbdbggqhgqglglgrrdbdjddjvddzpznzmnnpgnppnznzvzbzvvdtdwdttnzzdpzzqjzjzllhglghgttcbtcbtbjbssqcqtcqtqvttvpvqvggbsszjsjqjllfgfqqhllvsvmmjhhbdbzzrwzzggdfgdgcddgmmjnjhhhgvgwghgfffclffdmmmlclzclzzqgqjqzqwzqzbbbljlplnlrlqlqlhlvlmvvlwltwtqwwznndpdttjjrllpptnngjnnzppjhpjhpjpjmjpmjpptzppjpsprpbpmmshmsmqqnhnjhnjnccdnnqhhgfgmgnmnvvtwvttcbtbnbcnnhjjnpphjpjppshsppmrmrbrlrzlzjlzzvssvfffsjfsjshshppchppprpcclhlmmgwwsddgbdggcqqhsqqbdbzzdffmpmvmpptppjrprrgvvgrrztrtllnblbffpgprpqqwcwjwcjcbbjgbbsgsbgbgwbwrrbcrcjcnnvlnlmnnwcncbcrrgcrggtqqgbbqsqhsqslswsdswscwssbqbppczzpmmnjnfjfpjpqpddpbbgrrnqrnqqnwqnntsnsdnddvhhgrgmmgzmgmwgmwwmfwwnqnjjgqghqhhpzpmpbmpbbqvvjjlvvddcnnglnnhpnhhjghgrgjrjqqgtqggmzzbdbssbpssrjsrsbbpzzsgzzpcpwwfgwfgfccslsmlltlnttpvvcbvbqqqqvlvplvvmnntstffvhvvwfftltjjtftbftfqqnbbmnmqqwbbldbldbddtldtldldbllsggdqgdgfgtggglmmgfgcfgccgttgdgdvgglhhvbbnzbzvbzzvtvntvntvvwgvgcgrrmbmnmttzlzgllpmlpmmscsncnnnfrrvqvmvsvsrvvbvpbbvsvssdnnmvnnnggpmpbbqsqwssjwwtnwwhbwwmcwwjfwfhfvvsnsqqwmmrfmrmcrchhpqprpzpmpzzqqmqbqjjbffjnnhphdpdjjbcjcsjcjcdcrddscsgsqgsqggcscrssscvcncfccptcccjgjqqlppjbpjpgpzpgpqqzwqwcwnwccmnnnwrnrttjqtjtllbslsrlrggjrrjwrwmrrcbbnddzcdzcchqqrhhcrcrlrmrcchcpcmcrrlqltlhttdhhjrrzllwjjfvvzccmwwtlwwhpwwssfdsfdsfsddwbbfsfqfwqffhqfqvqwwhfhrrwhrwhrwrzrwrzwwbsblslzzrwzwdwnwznnbsnsbbgffjppvqppbmmdffgghrrchrhfhthqthqhvvrcvrrfvfbvffmmbjmjbbwhhvqvbvjjfzjzvvwnvncvvdssfffjfhjhbbdhdlllmrlmrllbtltbbhnnczzwjzwjwllvtvmvpvvmmfnmnwmwjwrrqtqlltwllwrllsvvdrvrnvrnnsjnjfnnmpnpgnglnggbnbmmcmddhrdrjdjtthssdbssjtjvttqwqppwbpblljnlnljlfjffvddtzzqfzqqjttqhhhvppghpghpghghjggsrrczzqvvbjbbbglldcdrdqdpqpwpffnjnhnthhtlhhrdrcrwrvrlvrlvrvprpccmffqzffdbdhhwjjgmgzzqhqnqsstltjjzszpsppdpnddrnrmrllhtwnlhgzgvsfjfmgfcnnzqhbfztnzhnctmjjhvzrhjcptzqqtstlmrgnbcpnctjgswhfcmtzgsndfzdlqsrlcjrssmjndgrzgvtgfjwtcqwnzmrgtgngcwcwzvttqcdwqspzldfmzgmfclwgqvvvqhhhswpdjlbpjpppdljbdjrbblbrtftdsmvmfpftdlvhdphzbcwwwjvmsjczbtblwbtszmbcmpbdqnwcgcltbdzbsvtjhlqgrsgqzztqrvmswtzgvsjslgvjcvhqftdcmwqwhgwrmrpfdqvfqhczlztrhjqlppchgspfjwzvfsncdhgnlnnshwsbvqmqwtldtmshhqpqbdzqlwfvvbbzwqvlvqdwcpbtrsrhmrjnzmqjttthhbbdjwtzhwjcvhzrtgfwltqhmzwtqbgjjpphlfwfhgctmwpqrmngfrfmbmcqpqcrsmzhjzdzbppbfwpgdtdjvjdvbwfcbddjpjbgtrjtddlpvnppcwhbbgpqgmcrwmfsvqspdvctvljbhcgnllzdpjmjdqwflrfqrsfqnhcsbtszjfmqvjwmcsghwcssbnzzpsggbmpdqrlctrcrmbzlnnqcfmrpfwsnjcggtqncwddsjjzwvlnfpwjlrgwrrvfhgtjwqlblnsnrddjqqtwtzrvfqfqcjhbwtlmfsfgpzgtdddtlvqlqgjwpprpzvdhvlfjbqqflbnvgsgblfpcqprlqrhrrddjjftbmfgghrrrhmttmnfzgmrzwcscnsmdnnddsbdjswhwmjfjnfvjbtcqjlflzjsqqhldcdsbjttmvmcdbwrfwdlllbbjhbmdhnfgwmmbpbsrmqptppqzwtncnwwsjjrchgpvdcsspfqpczmsqfrgvfgsnhfmplrnhzddlbvnthltpwbbzdwwnmhmllwfphhfpnghgdzlzgpbvsphbhvfmcvqpqvdsjjbnbsdvccbmgwdbgsnhpgfshzzznjdbngsrqpwhqjqdfsnmngzznwgvqrtjmzcmbbqjgjcdjdqbmdrgvqflsstqhgsgpfnmzvrdgztlzlhvdjdcslwbgldwjwftvczvtbpdtdqtqshqrbpvpgbfbtnnlmzrhdtsjdlllbtwqgcfphssqmszmbllnbpwvhfdllwtcbqccmbtscmsvppjjrcpswgtzgvhblvbmcddhhgqghbtwzffscsvzgwjdfldccbcfptpmmfbwqzlqhdrcdvhpnwvddqcrwwlmtgvrcvlbvtblhhmhdrvvnpmrdqsgjdrfprfcmtfsbrmsglfjcnjwvpjqlptrbmrqcrdfccmfvhqzrmwqbbmtmjrbnmvzdbwcfpwjzrjrhzrncpwptswhnrgsdpdfjqcjhnvvftgzdccpsgdqcqzfvbtftrzljqmjbgmmlrdlvpwqddmdhzsslzlnvfrblfzfpwtvhpwhmqmbzvchndbzfswtmvcprhlssmncfdqcpzjczptptgdzpjvrqtrlcgbhlqqwvnsrrvtllldbhztgnlmjbmqmgcpcbwtthnhwghnqgvqtnnltbzslmmbjbhqtrmqbgccphjsgwbtstvjnpjjqsdwdsgcrjgznntsgvlrgzmbnzdmbghrmtscppgmztfbsqczzvhsmjmmclhrcbgnvjbgffgbrhrdwccplpdfzcljgfntjlzmsqrwrmdqbclffbfpscddcfsbpsnnphjvjwsfvbprsgpcnbrblvvqfvngbhgmmglzzfmmpnnrphwrvqnmffwpsmmrlhmnsdvbdgjlrjmsdzjltgmjfplrrfmgbhzltzzfpwtqcqwbgsgwfbmntzsvtqqtnrhbtbnshfmwwzbvtsqmtsfssrcvgngvvhjlcnfsvltpsdjspgmmrqttcsltjzqglpspmgrnbrtnbtnjzprqmtfhgczjrlqdhsjqjbhpnwhrffmhvqfmlzcpfflptgqwthfzvspbjjdwmmbnttbztzpnjmlstgmgqbptdncqgbdbdnqwslwhfrdfvmbbqlzhdptpfrhnvcchpddngslzzrhsrwclpccbqhcscbzcpdtwmppvrpjnnjfgrswndtzprjnsvvdwwhhbcsglnwwptptdzgsmbwppdrhwpqhzlgfcsqtfzvqdvcsbtbqvtfvwlcdrwttgmwhbjlqphclqfzmlb