From 051be932a389b8bc3ea5d4626575454844639066 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Mon, 27 Nov 2017 17:11:18 -0500
Subject: Move to 2016 directory

---
 src/bin/day07.rs | 119 -------------------------------------------------------
 1 file changed, 119 deletions(-)
 delete mode 100644 src/bin/day07.rs

(limited to 'src/bin/day07.rs')

diff --git a/src/bin/day07.rs b/src/bin/day07.rs
deleted file mode 100644
index b4967ff..0000000
--- a/src/bin/day07.rs
+++ /dev/null
@@ -1,119 +0,0 @@
-use std::io::{self, Read};
-use std::str::FromStr;
-
-fn has_abba(s: &str) -> bool {
-    s.as_bytes()
-        .windows(4)
-        .any(|window| {
-            window[0] == window[3]
-                && window[1] == window[2]
-                && window[0] != window[1]
-        })
-}
-
-fn abas(s: &str) -> Vec<&[u8]> {
-    s.as_bytes()
-        .windows(3)
-        .filter(|window| {
-            window[0] == window[2]
-                && window[0] != window[1]
-        })
-        .collect()
-}
-
-fn has_bab(s: &str, aba: &[u8]) -> bool {
-    s.as_bytes()
-        .windows(3)
-        .any(|window| {
-            window[0] == aba[1]
-                && window[1] == aba[0]
-                && window[2] == aba[1]
-        })
-}
-
-#[derive(Default)]
-struct Ip {
-    supernet: Vec<String>,
-    hypernet: Vec<String>,
-}
-
-impl Ip {
-    fn supports_tls(&self) -> bool {
-        self.supernet.iter().any(|s| has_abba(s))
-            && !self.hypernet.iter().any(|s| has_abba(s))
-    }
-
-    fn supports_ssl(&self) -> bool {
-        self.supernet
-            .iter()
-            .flat_map(|s| abas(s))
-            .any(|aba| {
-                self.hypernet
-                    .iter()
-                    .any(|s| has_bab(s, aba))
-            })
-    }
-}
-
-impl FromStr for Ip {
-    type Err = ();
-    fn from_str(s: &str) -> Result<Ip, ()> {
-        let mut ip = Ip::default();
-
-        for (i, seq) in s.split(|ch| ch == '[' || ch == ']').enumerate() {
-            if i % 2 == 0 {
-                ip.supernet.push(seq.to_owned());
-            } else {
-                ip.hypernet.push(seq.to_owned());
-            }
-        }
-
-        Ok(ip)
-    }
-}
-
-fn solve1(input: &str) -> usize {
-    input.lines()
-        .map(str::parse)
-        .map(Result::unwrap)
-        .filter(Ip::supports_tls)
-        .count()
-}
-
-fn solve2(input: &str) -> usize {
-    input.lines()
-        .map(str::parse)
-        .map(Result::unwrap)
-        .filter(Ip::supports_ssl)
-        .count()
-}
-
-fn main() {
-    let mut input = String::new();
-    io::stdin().read_to_string(&mut input).unwrap();
-
-    println!("Part 1: {}", solve1(&input));
-    println!("Part 2: {}", solve2(&input));
-}
-
-#[test]
-fn part1() {
-    let input = "
-abba[mnop]qrst
-abcd[bddb]xyyx
-aaaa[qwer]tyui
-ioxxoj[asdfgh]zxcvbn
-";
-    assert_eq!(2, solve1(input.trim()));
-}
-
-#[test]
-fn part2() {
-    let input = "
-aba[bab]xyz
-xyx[xyx]xyx
-aaa[kek]eke
-zazbz[bzb]cdb
-";
-    assert_eq!(3, solve2(input.trim()));
-}
-- 
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