Add 2022 day 6

2022/6/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day6"
+version = "0.1.0"

2022/6/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day6"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

2022/6/input

@@ -0,0 +1 @@
+nfddjzjjjmrjjfttzctzzhqzqbbvhhcfcpcqpcqpccsmsvsswbwzwfffnvfvpfvffhnnrgngzgrrhvhfhvvmjvjcccvppqdppbnbjjzlzflfccjjtctqccrhrnhnqhqwwjssjjhpjjcqqdgghddhfdfbffdpfdfzdddthhrcrbrqrbqqbcbnnwbbzcbzccmqqwllrljjjpqpdpsddmbmccwwgngmmzzzpbpspnprnppprmmwfwffrrpsrrchrrrrdqdfddnvnjnppqmqhhpshhjmhjhzjhhhzllbpbnnngdgzgmmjvvprrhqrhqhpqhqqrnqnddvjvvftfggfcgfffgrghhbmbzzjczzcscrccgbbjbqjbjsbsqbqttbqbfqqqrzrmzrmmcwcmwmrwmwnmnfnjjbdjbbslltjjmgmrmllhbhsbsmsqmqllvjjrvjrjcrrtztjzjbjsbbrjjvbjjgqjjpjsszpszsnznllvmlmfmppbvbzvvddtbtrbttchthjthjhnjnqnqrrllnflnnljnnzjjswjwllpmmpnnqnrrndnnbwwmcmcmbbhjjbbfpfvpvttcvvhshqqznzqqdndldmllpgptgptpbblzlddgqqdmmvpvvrccfvvjrvjjgpggqcggjbgbqqcgqccgppffjppzczmzdmmqppwcwlcwwhccfpcphcctvtzthtzhhnmnvmnnvqnqnpnqqwqsqdsszwzbwwgcwcrrtprrfhhcmcqcdcvdcccnpptgpgwpprsprsrdrtdrtrntrtprtppstsccbwwvnvpnvpnptpqttzbzcznzhzhddfbflfcchvchhplhlwhhlhglhhwqqzlqzlzvlvtlvtvrttglttslslclslqssslclbbrjrpjjcscfsfppjlplhplptlltlflglffdttmffrggfjjmllbnlnbnznqnfffmhhnmmsgmsmfsszggpnnhmhnnpwnndqqlmqmnmtnmtnttvtztlzlnzzsdsnssvhsszcscffcpczpcpffpwfwnwhnntnssptthccbnndppgjgpjpssbnnpgnpppjtjqqzfqqrrbmmbdddzjzvzwzssnpsnspnpvnpppjppvsvffmpffbcffslfsfmsmmqzzmttnsnqsqcsqsbqbcclqqphpttvrtrlrhrthhlppscsrsjjvljlmlwlslblqqqgdsbrzwzjzwcjrwbpfmjtmdgjvbcfvtvmsfjtjcmtlzmsjlnmhcswcmjndggdsmqfmmdngjpvrsbhrchldnhdhfdlwccnfmgbwfzppgzzcvblvsmqbfghrgdwlzdcvpqthgbdlwbrfpsvlgpdqznftswgwvchjfrblbdsqjmzchfhlrjhpbrdgvgrrmhrnrdbrdsfsgzvqfdtnvddbtcjwphrhgpqlzjssrgzjcncjnbrzvhgbwpgtfnqhpspmgptzcgvjqgzpmwtjtzldqnclmplwdpzcppgcbrsnlzfgmlnljjhfzrftnhdfnqchgdqrfcjszvbmdrghwzmjnwgnrlptljzqrwsmcfwvbcjgsfdjhnqgzzztmcgmndbtdwvqmzlfcmhfgpqztwgjdccncdccpgbcvhfzbhhbjhgjpdzcmrwgtvrmzdwjtmlzllmgplpqjwwwvbrzgmvpcvwchcwfgbjtzrfctgvfrpphbnsbjlswrztqmchtzfstzdgdwwvhpdhztbmsrbqmndpgvnwwdtgzcddvmvbjstqmjvtzlzgrhzhvplwnpphctvtlvnpmwfzmqcvrnfmmgtsgbcjpffrvbpqpszfpjsjtzqmcnzhnjnpwtvgfqntnhhjhmbvmlvmqgggrnfmmmsvfsqffbvwtzlfhlbjqhrltzwfstvjqhbbblqdbcmgtjgmzdtpslbzsgnmpzsswjlwdpzpmmvmpntbhnqlwrcrfbghzhwlhhpjqztjjrrfscrtwtnlqlqmdbmbfnvngvvthhghgsvqlqvgvmtjmjtwpcznzqhhfpqqfphcdrtzjjhsffslthzwpmsnltnjmfgpsjgqzdwrtgnhflhrnjwqftpnqgptgvgjptzhhtqhtddsfhppmmqcrsnlnrswpjhqgzbpwzfzptzqzzwltlrmjwjrwdgvvzhshqqrhtzmvqpfljlvpmrzbqpscpvsfdbdbcbdwwhpmldlrgpwslzhtbpgtzscfhjlgwcgbhcbftpftvpggvcdvndqnfvfqbwrjtdcbwpsbqpzmwdhjpmjhjmlcdphrjbgsnmcmvfnrggfvttclmbvsfjpnbndbblnbdfqzmsldlswdrtzqsqppjshtlrtccthmmpjgddbbgfgthnzdffbtrpchzgbvqvjcsnpgbrzrczzmzrmhjrlvvgmsqddjsqmcqfmwnhznbczzjlpmhnfwjtrfgffsjdlwgdwwlvdpdlvszphntrvttczgnwffsdsvjmqbthgcgfjgznrfnbplbvgsjbsglhnrjpbldhmznqgqpvldvhcpmmwzfjdjdbnprtrrnwsszjhmngvmtsrqdqdsprwhjpsqwqbsdtpptwlbfbsvdgrplrvpnfbzwrdsdbvhpgwcnqvwdcswdmdltchnngpmlqvchbnrpzcnfhvlzbwbnmssbhpvvmpcwvrwzpfpssndwwfnrslpjwhwrfsswmgtszrhczcrclpldpwpghgptmzzjjjtvjcnncjpfbcvldbnlnqtsqdswcsrqcfgvwbwdvbdwwzndfvcstjbfngtqqwsbpdjdgqdlsnwgcvmmhrqcqvdbqdqczzwzlfgffbwzbfdnpvprzmqclllsdvctwjfgqbchhmsntlvnlspwtnhgshwrvzccfmfrscqwrvdccwqnrccctjrvvnqbrphrfvfrfldbbthhrdzvdmfbctsmvgwmvpdslgbcpqqdvpsjcdvmctwghdsjtmhhvdswbcvtmsnsztfghnnfhflmmnmdqpvpdplllzgqgnsjwsrgzfwhrwhcscvrgcrgjdghqjfbswtgjsvnpqznrvbdbrplwdmbqhtbcfccnpwqlsdstnpcfpbfgqrzmcqhflmcfvbbnwrrblnfslsrwpwlbvqfhgpdwzmgvftssrvdmhnmwdfqmsvqbltlmmwmjrrhgpgznqbwhcqgphvzqmntbbdhhpnlbbffjgmcdntgwmtblwlzrcdcdbtrllrdnznrrsglnwhtwbrfdrpvgqwsgzwghbtsfwqlchgsnvfmvnzntlsnlwrnjjltrpmhwnzmhrqdlvvzbfgwlwgdsgcjcjfvhbcjgzlqtsljvzcvlppqdszvdbsmgddrtmvbcpbpppcpvhzfsjrmtcpzljbhpnjjmcdwslrhslccpljrtvcscbcltpshpnrqvtdfzbbfqtpbvznvrbflwvbvrhqpzltsdrnqccsfgzzftvjfqslcnmfvwtpdbjhtzwrgvntgnfvqtdrjdgglvrnqfzsbhnvhcdbctthdrjnvwlcsjtmphpvlqjngwjnngmqqnslrrsdfpfbvsvcwjtfmwtbpnnghtvvwlphbnsgflvsfdcqrctvjfjrwqjdmbbcclwvlstbgbfqjgbpbqfwdbpmnvqnfpbhrfhwltmcszpwnvtvhrvpcqhzdppjwttlhgsnvmsrwrnwvgzpbwljjjsjzctftzftvmsstpjnzvmmrgbbpmfmfrszwjdgzfhpvsfdqbbhgvfvqrrtqwlwzwwsnnmmvmlwjzvgrwhmffzwrqwbcdtbtzpspbnqgprdqtzrpmgvnmbsnjnvtzgmhqqtrvltbsrwjlssncdppgpmzqzbzvbpjpfwmvgsbhffzpbctmqvfwhsgdjtwqhrhmgnqpvmpjzhppvcbrpwmdshzcrwzdzcjmhfvjgtbznsmdjphlssmlmbhtmnsqnjfsjwhjvgztnwhmnztqppchngdnhzwpsvqqpzdwgbhcbzvmbnqmghbhgvrqhtfzhgvqdbpvdrjsqrdnhqhrwdlczvtnzwfrqhnffwdvtrnqsmmcjtrhmgbwcmnzbbvdsrlbbtwslhghwprpglpq

2022/6/src/main.rs

@@ -0,0 +1,54 @@
+fn main() {
+    let contents = std::fs::read_to_string("./input").expect("Failed to read input file");
+    let mut x: usize = 0;
+    while x < contents.len() - 3 {
+        let slice = contents.get(x..x+4).expect("Couldn't slice it");
+        if !has_duplicates(slice) {
+            println!("[PART 1] First 4 with no duplicates ends at index {}, after the {}th byte", x+3, x+4);
+            break;
+        }
+        x +=1;
+    }
+    while x < contents.len() - 13 {
+        let slice = contents.get(x..x+14).expect("Couldn't slice it");
+        if !has_duplicates(slice) {
+            println!("[PART 2] First 4 with no duplicates ends at index {}, after the {}th byte", x+13, x+14);
+            break;
+        }
+        x +=1;
+    }
+}
+
+fn has_duplicates(s: &str) -> bool {
+    let mut x: usize = 0;
+    while x < s.len() {
+        let mut y: usize = x + 1;
+        while y < s.len() {
+            if x == y {
+                y += 1;
+                continue;
+            }
+            if s[x..x+1] == s[y..y+1] {
+                return true;
+            }
+            y += 1;
+        }
+        x += 1;
+    }
+    return false;
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_has_duplicates() {
+        assert_eq!(has_duplicates("asdf"), false);
+        assert_eq!(has_duplicates("addf"), true);
+        assert_eq!(has_duplicates("asda"), true);
+        assert_eq!(has_duplicates("aadf"), true);
+        assert_eq!(has_duplicates("aada"), true);
+        assert_eq!(has_duplicates("aaaa"), true);
+    }
+}