From cce9dc3e4eee41d5898b3e6576e0528c58f6e401 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin.worthe@gmail.com>
Date: Sat, 10 Dec 2016 11:06:36 +0200
Subject: AOC10

---
 aoc10/Cargo.lock  |  98 +++++++++++++++++++++++
 aoc10/Cargo.toml  |   7 ++
 aoc10/input.txt   | 231 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 aoc10/src/main.rs | 155 ++++++++++++++++++++++++++++++++++++
 4 files changed, 491 insertions(+)
 create mode 100644 aoc10/Cargo.lock
 create mode 100644 aoc10/Cargo.toml
 create mode 100644 aoc10/input.txt
 create mode 100644 aoc10/src/main.rs

(limited to 'aoc10')

diff --git a/aoc10/Cargo.lock b/aoc10/Cargo.lock
new file mode 100644
index 0000000..f8f7189
--- /dev/null
+++ b/aoc10/Cargo.lock
@@ -0,0 +1,98 @@
+[root]
+name = "aoc10"
+version = "0.1.0"
+dependencies = [
+ "regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "aho-corasick"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "memchr"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex"
+version = "0.1.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "thread-id"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thread_local"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "utf8-ranges"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
+"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
+"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
+"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
+"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
+"checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
+"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
+"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
diff --git a/aoc10/Cargo.toml b/aoc10/Cargo.toml
new file mode 100644
index 0000000..d6abdaf
--- /dev/null
+++ b/aoc10/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "aoc10"
+version = "0.1.0"
+authors = ["Justin Worthe <justin.worthe@gmail.com>"]
+
+[dependencies]
+regex = "0.1"
\ No newline at end of file
diff --git a/aoc10/input.txt b/aoc10/input.txt
new file mode 100644
index 0000000..aeda3b5
--- /dev/null
+++ b/aoc10/input.txt
@@ -0,0 +1,231 @@
+bot 59 gives low to bot 176 and high to bot 120
+bot 92 gives low to bot 42 and high to bot 187
+value 31 goes to bot 114
+bot 182 gives low to bot 49 and high to bot 176
+bot 17 gives low to bot 181 and high to bot 162
+bot 36 gives low to bot 118 and high to bot 121
+bot 118 gives low to bot 164 and high to bot 55
+bot 172 gives low to bot 79 and high to bot 123
+bot 51 gives low to bot 60 and high to bot 31
+bot 48 gives low to bot 107 and high to bot 58
+bot 142 gives low to output 6 and high to bot 35
+bot 133 gives low to output 4 and high to bot 47
+bot 134 gives low to bot 122 and high to bot 66
+bot 106 gives low to bot 155 and high to bot 99
+bot 77 gives low to bot 93 and high to bot 84
+bot 9 gives low to bot 173 and high to bot 197
+bot 64 gives low to bot 123 and high to bot 48
+bot 177 gives low to bot 21 and high to bot 132
+bot 94 gives low to bot 6 and high to bot 25
+bot 126 gives low to bot 193 and high to bot 56
+bot 74 gives low to bot 187 and high to bot 125
+bot 80 gives low to bot 41 and high to bot 191
+bot 62 gives low to bot 157 and high to bot 138
+bot 66 gives low to bot 1 and high to bot 209
+bot 90 gives low to bot 104 and high to bot 34
+bot 68 gives low to bot 23 and high to bot 87
+bot 121 gives low to bot 55 and high to bot 126
+bot 122 gives low to bot 137 and high to bot 1
+bot 209 gives low to bot 168 and high to bot 26
+bot 141 gives low to bot 170 and high to bot 6
+bot 149 gives low to bot 62 and high to bot 13
+bot 120 gives low to bot 179 and high to bot 71
+bot 160 gives low to bot 194 and high to bot 151
+bot 86 gives low to bot 96 and high to bot 106
+value 13 goes to bot 9
+bot 180 gives low to bot 189 and high to bot 27
+value 67 goes to bot 88
+bot 169 gives low to bot 99 and high to bot 159
+bot 56 gives low to bot 98 and high to bot 147
+bot 197 gives low to bot 174 and high to bot 81
+bot 57 gives low to bot 113 and high to bot 179
+bot 39 gives low to bot 115 and high to bot 3
+bot 79 gives low to bot 22 and high to bot 40
+bot 161 gives low to output 14 and high to bot 185
+bot 21 gives low to bot 114 and high to bot 119
+bot 136 gives low to bot 28 and high to bot 158
+bot 105 gives low to bot 89 and high to bot 19
+bot 168 gives low to bot 126 and high to bot 26
+bot 193 gives low to bot 64 and high to bot 98
+bot 186 gives low to bot 86 and high to bot 178
+value 11 goes to bot 165
+bot 33 gives low to bot 116 and high to bot 150
+bot 32 gives low to bot 154 and high to bot 206
+bot 166 gives low to bot 33 and high to bot 139
+value 7 goes to bot 63
+bot 203 gives low to bot 172 and high to bot 64
+bot 200 gives low to bot 94 and high to bot 25
+value 43 goes to bot 76
+bot 145 gives low to bot 103 and high to bot 128
+bot 119 gives low to bot 186 and high to bot 97
+bot 12 gives low to bot 31 and high to bot 4
+bot 23 gives low to bot 198 and high to bot 171
+bot 34 gives low to bot 10 and high to bot 20
+bot 198 gives low to bot 43 and high to bot 17
+bot 50 gives low to output 1 and high to bot 127
+bot 155 gives low to bot 191 and high to bot 32
+bot 206 gives low to bot 12 and high to bot 43
+bot 96 gives low to bot 80 and high to bot 155
+bot 93 gives low to bot 44 and high to bot 70
+bot 24 gives low to bot 85 and high to bot 83
+bot 30 gives low to bot 159 and high to bot 68
+bot 55 gives low to bot 203 and high to bot 193
+bot 199 gives low to bot 68 and high to bot 135
+bot 170 gives low to bot 97 and high to bot 5
+bot 65 gives low to bot 152 and high to bot 194
+bot 43 gives low to bot 4 and high to bot 181
+bot 113 gives low to output 9 and high to bot 161
+bot 81 gives low to bot 141 and high to bot 94
+value 29 goes to bot 7
+bot 46 gives low to bot 175 and high to bot 195
+value 47 goes to bot 21
+value 23 goes to bot 42
+bot 13 gives low to bot 138 and high to bot 61
+bot 135 gives low to bot 87 and high to bot 111
+bot 194 gives low to bot 190 and high to bot 82
+value 73 goes to bot 109
+bot 154 gives low to bot 51 and high to bot 12
+bot 1 gives low to bot 18 and high to bot 209
+bot 98 gives low to bot 48 and high to bot 45
+bot 147 gives low to bot 45 and high to bot 95
+bot 47 gives low to output 19 and high to bot 152
+bot 26 gives low to bot 56 and high to bot 147
+bot 179 gives low to bot 161 and high to bot 71
+bot 148 gives low to bot 204 and high to bot 137
+bot 5 gives low to bot 67 and high to bot 85
+bot 174 gives low to bot 132 and high to bot 141
+bot 8 gives low to bot 13 and high to bot 75
+bot 82 gives low to bot 146 and high to bot 22
+bot 123 gives low to bot 40 and high to bot 107
+bot 99 gives low to bot 32 and high to bot 201
+bot 41 gives low to bot 196 and high to bot 192
+bot 139 gives low to bot 150 and high to bot 153
+bot 11 gives low to output 16 and high to bot 113
+bot 72 gives low to bot 65 and high to bot 160
+bot 195 gives low to bot 133 and high to bot 183
+bot 54 gives low to output 12 and high to output 10
+bot 158 gives low to bot 102 and high to bot 110
+bot 112 gives low to bot 19 and high to bot 118
+bot 31 gives low to bot 208 and high to bot 143
+bot 167 gives low to bot 7 and high to bot 96
+bot 63 gives low to bot 92 and high to bot 74
+bot 116 gives low to bot 20 and high to bot 131
+bot 184 gives low to bot 39 and high to bot 3
+bot 162 gives low to bot 205 and high to bot 39
+bot 108 gives low to output 11 and high to bot 175
+value 53 goes to bot 207
+bot 111 gives low to bot 202 and high to bot 184
+bot 25 gives low to bot 24 and high to bot 83
+value 71 goes to bot 77
+bot 69 gives low to bot 142 and high to bot 0
+bot 146 gives low to output 13 and high to bot 53
+bot 7 gives low to bot 76 and high to bot 80
+bot 131 gives low to bot 73 and high to bot 204
+bot 102 gives low to bot 195 and high to bot 117
+bot 76 gives low to bot 165 and high to bot 41
+bot 153 gives low to bot 148 and high to bot 122
+bot 208 gives low to bot 90 and high to bot 163
+bot 70 gives low to bot 144 and high to bot 78
+bot 125 gives low to bot 8 and high to bot 156
+bot 83 gives low to bot 199 and high to bot 135
+bot 75 gives low to bot 61 and high to bot 104
+bot 67 gives low to bot 169 and high to bot 30
+bot 14 gives low to bot 81 and high to bot 200
+bot 159 gives low to bot 201 and high to bot 23
+value 3 goes to bot 93
+bot 110 gives low to bot 117 and high to bot 89
+bot 128 gives low to bot 129 and high to bot 182
+bot 87 gives low to bot 171 and high to bot 111
+bot 45 gives low to bot 58 and high to bot 95
+bot 4 gives low to bot 143 and high to bot 166
+bot 60 gives low to bot 156 and high to bot 208
+bot 27 gives low to bot 108 and high to bot 46
+bot 42 gives low to bot 207 and high to bot 149
+bot 117 gives low to bot 183 and high to bot 72
+bot 115 gives low to bot 153 and high to bot 134
+bot 140 gives low to bot 125 and high to bot 60
+bot 173 gives low to bot 177 and high to bot 174
+bot 138 gives low to bot 180 and high to bot 52
+bot 100 gives low to bot 38 and high to bot 59
+value 41 goes to bot 173
+value 59 goes to bot 177
+bot 165 gives low to bot 63 and high to bot 196
+bot 84 gives low to bot 70 and high to bot 78
+bot 2 gives low to bot 160 and high to bot 91
+value 61 goes to bot 29
+bot 114 gives low to bot 109 and high to bot 186
+bot 205 gives low to bot 139 and high to bot 115
+bot 175 gives low to output 17 and high to bot 133
+bot 176 gives low to bot 57 and high to bot 120
+bot 107 gives low to bot 124 and high to bot 15
+bot 52 gives low to bot 27 and high to bot 28
+bot 103 gives low to bot 50 and high to bot 129
+bot 150 gives low to bot 131 and high to bot 148
+bot 16 gives low to output 20 and high to bot 189
+bot 190 gives low to output 18 and high to bot 146
+bot 157 gives low to bot 16 and high to bot 180
+bot 10 gives low to bot 158 and high to bot 130
+bot 202 gives low to bot 162 and high to bot 184
+bot 88 gives low to bot 77 and high to bot 84
+bot 188 gives low to bot 128 and high to bot 38
+bot 58 gives low to bot 15 and high to bot 101
+bot 171 gives low to bot 17 and high to bot 202
+bot 97 gives low to bot 178 and high to bot 67
+bot 163 gives low to bot 34 and high to bot 116
+bot 124 gives low to bot 0 and high to bot 145
+bot 71 gives low to bot 185 and high to bot 54
+bot 78 gives low to bot 14 and high to bot 200
+bot 101 gives low to bot 188 and high to bot 100
+bot 189 gives low to output 7 and high to bot 108
+bot 95 gives low to bot 101 and high to bot 100
+bot 0 gives low to bot 35 and high to bot 103
+bot 207 gives low to bot 37 and high to bot 62
+bot 49 gives low to bot 11 and high to bot 57
+bot 85 gives low to bot 30 and high to bot 199
+bot 89 gives low to bot 72 and high to bot 2
+bot 3 gives low to bot 134 and high to bot 66
+bot 181 gives low to bot 166 and high to bot 205
+bot 91 gives low to bot 151 and high to bot 172
+value 17 goes to bot 167
+bot 20 gives low to bot 130 and high to bot 73
+bot 196 gives low to bot 74 and high to bot 140
+bot 18 gives low to bot 121 and high to bot 168
+bot 185 gives low to output 15 and high to bot 54
+bot 178 gives low to bot 106 and high to bot 169
+bot 129 gives low to bot 127 and high to bot 49
+bot 19 gives low to bot 2 and high to bot 164
+bot 15 gives low to bot 145 and high to bot 188
+bot 144 gives low to bot 197 and high to bot 14
+bot 201 gives low to bot 206 and high to bot 198
+bot 164 gives low to bot 91 and high to bot 203
+bot 73 gives low to bot 105 and high to bot 112
+bot 191 gives low to bot 192 and high to bot 154
+bot 109 gives low to bot 167 and high to bot 86
+bot 151 gives low to bot 82 and high to bot 79
+bot 53 gives low to output 2 and high to bot 142
+bot 37 gives low to bot 29 and high to bot 157
+value 2 goes to bot 44
+bot 204 gives low to bot 112 and high to bot 36
+bot 40 gives low to bot 69 and high to bot 124
+bot 22 gives low to bot 53 and high to bot 69
+bot 104 gives low to bot 136 and high to bot 10
+value 19 goes to bot 88
+bot 127 gives low to output 5 and high to bot 11
+bot 183 gives low to bot 47 and high to bot 65
+bot 192 gives low to bot 140 and high to bot 51
+bot 38 gives low to bot 182 and high to bot 59
+bot 61 gives low to bot 52 and high to bot 136
+bot 156 gives low to bot 75 and high to bot 90
+value 37 goes to bot 37
+bot 28 gives low to bot 46 and high to bot 102
+bot 187 gives low to bot 149 and high to bot 8
+bot 132 gives low to bot 119 and high to bot 170
+bot 44 gives low to bot 9 and high to bot 144
+bot 29 gives low to output 0 and high to bot 16
+bot 6 gives low to bot 5 and high to bot 24
+bot 137 gives low to bot 36 and high to bot 18
+bot 130 gives low to bot 110 and high to bot 105
+value 5 goes to bot 92
+bot 35 gives low to output 3 and high to bot 50
+bot 152 gives low to output 8 and high to bot 190
+bot 143 gives low to bot 163 and high to bot 33
diff --git a/aoc10/src/main.rs b/aoc10/src/main.rs
new file mode 100644
index 0000000..c2c18be
--- /dev/null
+++ b/aoc10/src/main.rs
@@ -0,0 +1,155 @@
+extern crate regex;
+use regex::Regex;
+
+use std::io::BufReader;
+use std::io::prelude::*;
+use std::fs::File;
+use std::cmp;
+
+#[derive(Debug, Clone)]
+struct Bot {
+    low: Option<i32>,
+    high: Option<i32>,
+    low_dest: Option<Dest>,
+    high_dest: Option<Dest>
+}
+
+#[derive(Debug, Clone)]
+enum Dest {
+    Bot(usize),
+    Output(usize)
+}
+
+impl Bot {
+    fn new() -> Bot {
+        Bot {low: None, high: None, low_dest: None, high_dest: None}
+    }
+    
+    fn add_input(&mut self, input: i32) {
+        if self.low.is_none() {
+            self.low = Some(input);
+        }
+        else {
+            let other = self.low.unwrap(); //already handled none case
+            self.low = Some(cmp::min(input,other));
+            self.high = Some(cmp::max(input,other));
+        }
+    }
+    fn ready(&self) -> bool {
+        self.low.is_some() && self.high.is_some() &&
+            self.low_dest.is_some() && self.high_dest.is_some()
+    }
+    fn clear(&mut self) {
+        self.low = None;
+        self.high = None;
+    }
+}
+
+
+fn main() {
+    let mut bots = build_bots_graph();
+    let outputs = find_outputs(&mut bots);
+    println!("Outputs {:?}", outputs);
+}
+
+fn find_outputs(bots: &mut Vec<Bot>) -> Vec<i32> {
+    let mut output = Vec::new();
+    
+    let mut is_stable = false;
+    while !is_stable {
+        is_stable = true;
+            
+        for i in 0..bots.len() {
+            if bots[i].ready() {
+                is_stable = false;
+                
+                let low = bots[i].low.unwrap();
+                let high = bots[i].high.unwrap();
+                bots[i].clear();
+
+                match bots[i].low_dest {
+                    Some(Dest::Bot(j)) => {
+                        bots[j].add_input(low);
+                    },
+                    Some(Dest::Output(j)) => {
+                        check_add_output(&mut output, j);
+                        output[j] = low;
+                    },
+                    _ => {}
+                };
+                match bots[i].high_dest {
+                    Some(Dest::Bot(j)) => {
+                        bots[j].add_input(high);
+                    },
+                    Some(Dest::Output(j)) => {
+                        check_add_output(&mut output, j);
+                        output[j] = high;
+                    },
+                    _ => {}
+                };
+            }
+        }
+    }
+
+    output
+}
+
+fn build_bots_graph() -> Vec<Bot> {
+    let lines = read_file();
+    let mut bots = Vec::new();
+
+    let value_regex = Regex::new(r"^value (\d+) goes to bot (\d+)$").unwrap();
+    let give_regex = Regex::new(r"^bot (\d+) gives low to (output|bot) (\d+) and high to (output|bot) (\d+)$").unwrap();
+    
+    for line in lines {
+        if value_regex.is_match(line.as_ref()) {
+            let cap = value_regex.captures(line.as_ref()).unwrap();
+            let value = cap.at(1).unwrap().parse().unwrap();
+            let bot_index = cap.at(2).unwrap().parse().unwrap();
+            check_add_bot(&mut bots, bot_index);
+            bots[bot_index].add_input(value);
+        }
+        else if give_regex.is_match(line.as_ref()) {
+            let cap = give_regex.captures(line.as_ref()).unwrap();
+            let give_bot_index = cap.at(1).unwrap().parse().unwrap();
+            let low_is_to_output = cap.at(2).unwrap() == "output";
+            let low_dest = cap.at(3).unwrap().parse().unwrap();
+            let high_is_to_output = cap.at(4).unwrap() == "output";
+            let high_dest = cap.at(5).unwrap().parse().unwrap();
+
+            check_add_bot(&mut bots, give_bot_index);
+            bots[give_bot_index].low_dest = if low_is_to_output {
+                Some(Dest::Output(low_dest))
+            } else {
+                Some(Dest::Bot(low_dest))
+            };
+            bots[give_bot_index].high_dest = if high_is_to_output {
+                Some(Dest::Output(high_dest))
+            } else {
+                Some(Dest::Bot(high_dest))
+            };
+        }
+    }
+
+    bots
+}
+
+fn check_add_bot(bots: &mut Vec<Bot>, index: usize) {
+    while index >= bots.len() {
+        bots.push(Bot::new());
+    }
+}
+
+fn check_add_output(outputs: &mut Vec<i32>, index: usize) {
+    while index >= outputs.len() {
+        outputs.push(0);
+    }
+}
+
+fn read_file() -> Vec<String> {
+    let file = BufReader::new(File::open("input.txt").unwrap());
+    file.lines()
+        .map(|line| line.unwrap().trim().to_string())
+        .filter(|line| line.len() > 0)
+        .collect()
+}
-- 
cgit v1.2.3