Alpha Chen
8 years ago
parent
94f5dfb200
commit
9d39b06eb7
File diff suppressed because it is too large
Load Diff
@ -1,4 +1,161 @@
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[root]
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name = "advent_of_code_2016"
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version = "0.1.0"
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dependencies = [
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"error-chain 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "aho-corasick"
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version = "0.5.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "backtrace"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"backtrace-sys 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-demangle 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "backtrace-sys"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"gcc 0.3.39 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "cfg-if"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "dbghelp-sys"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "error-chain"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"backtrace 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "gcc"
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version = "0.3.39"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "kernel32-sys"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "libc"
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version = "0.2.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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version = "0.1.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "regex"
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version = "0.1.80"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "thread-id"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "thread_local"
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version = "0.2.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "utf8-ranges"
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version = "0.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi"
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi-build"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[metadata]
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||||
"checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
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||||
"checksum backtrace 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f551bc2ddd53aea015d453ef0b635af89444afa5ed2405dd0b2062ad5d600d80"
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||||
"checksum backtrace-sys 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3602e8d8c43336088a8505fa55cae2b3884a9be29440863a11528a42f46f6bb7"
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"checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
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"checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
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"checksum error-chain 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1cd681735364a04cd5d69f01a4f6768e70473941f8d86d8c224faf6955a75799"
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"checksum gcc 0.3.39 (registry+https://github.com/rust-lang/crates.io-index)" = "771e4a97ff6f237cf0f7d5f5102f6e28bb9743814b6198d684da5c58b76c11e0"
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"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
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||||
"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
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||||
"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
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"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
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||||
"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
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||||
"checksum rustc-demangle 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1430d286cadb237c17c885e25447c982c97113926bb579f4379c0eca8d9586dc"
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||||
"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
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||||
"checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
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||||
"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
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||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
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"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
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@ -0,0 +1,84 @@
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use std::cmp::Ordering;
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use std::collections::HashMap;
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use errors::*;
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use regex::Regex;
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pub fn solve(input: &str) -> Result<String> {
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let rooms: Vec<(Room, String)> = input.lines()
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.map(|line| {
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let re = Regex::new(r"(?P<room>.+)\[(?P<checksum>.+)\]").unwrap();
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let caps = re.captures(line).ok_or("")?;
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let room = caps.name("room").unwrap();
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let checksum = caps.name("checksum").unwrap();
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Room::new(room).map(|room| (room, checksum.into()))
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})
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.collect::<Result<_>>()?;
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let real_rooms = rooms.iter()
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.filter(|&&(ref room, ref checksum)| room.checksum() == *checksum);
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let sector_ids = real_rooms.map(|&(ref room, _)| room.sector_id);
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let sum: usize = sector_ids.sum();
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Ok(sum.to_string())
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}
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#[test]
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fn test_solve() {}
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struct Room {
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encrypted_name: String,
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sector_id: usize,
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}
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impl Room {
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fn new(s: &str) -> Result<Self> {
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let re = Regex::new(r"(?P<name>.+)-(?P<id>\d+)").unwrap();
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let caps = re.captures(s).ok_or("")?;
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let name = caps.name("name").unwrap();
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let id = caps.name("id").unwrap().parse().chain_err(|| "")?;
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Ok(Room {
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encrypted_name: name.into(),
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sector_id: id,
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})
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}
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fn checksum(&self) -> String {
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let mut counts = HashMap::new();
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for c in self.encrypted_name.chars().filter(|c| c.is_alphabetic()) {
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*counts.entry(c).or_insert(0) += 1;
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}
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let mut counts: Vec<_> = counts.iter().collect();
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counts.sort_by(|a, b| {
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match b.1.cmp(a.1) {
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Ordering::Equal => a.0.cmp(b.0),
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x => x,
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}
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});
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counts.iter().take(5).map(|x| *x.0).collect()
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}
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}
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#[test]
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fn test_new() {
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let room = Room::new("aaaaa-bbb-z-y-x-123").unwrap();
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assert_eq!(room.encrypted_name, "aaaaa-bbb-z-y-x".to_string());
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assert_eq!(room.sector_id, 123);
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}
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#[test]
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fn test_checksum() {
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let room = Room::new("aaaaa-bbb-z-y-x-123").unwrap();
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assert_eq!(room.checksum(), "abxyz".to_string());
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let room = Room::new("a-b-c-d-e-f-g-h-987").unwrap();
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assert_eq!(room.checksum(), "abcde".to_string());
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let room = Room::new("not-a-real-room-404").unwrap();
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assert_eq!(room.checksum(), "oarel".to_string());
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let room = Room::new("totally-real-room-200").unwrap();
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assert_ne!(room.checksum(), "decoy".to_string());
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}
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@ -0,0 +1 @@
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error_chain!{}
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@ -1,3 +1,11 @@
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#![recursion_limit = "1024"]
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#[macro_use]
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extern crate error_chain;
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extern crate regex;
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mod errors;
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pub mod day_01;
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pub mod day_02;
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pub mod day_03;
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pub mod day_04;
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