[2017][rust][15.x] cleanup

sorbet
Alpha Chen 7 years ago
parent 4d7d0fc602
commit abb3a82b4c

69
2017/rust/Cargo.lock generated

@ -4,6 +4,15 @@ version = "0.1.0"
dependencies = [ dependencies = [
"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)", "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "aho-corasick"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]] [[package]]
@ -86,11 +95,36 @@ name = "libc"
version = "0.2.34" version = "0.2.34"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "memchr"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]] [[package]]
name = "quote" name = "quote"
version = "0.3.15" version = "0.3.15"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "regex"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
"memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
"thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "regex-syntax"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]] [[package]]
name = "rustc-demangle" name = "rustc-demangle"
version = "0.1.5" version = "0.1.5"
@ -123,11 +157,38 @@ dependencies = [
"syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)", "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "thread_local"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]] [[package]]
name = "unicode-xid" name = "unicode-xid"
version = "0.0.4" version = "0.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "unreachable"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "utf8-ranges"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "void"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]] [[package]]
name = "winapi" name = "winapi"
version = "0.2.8" version = "0.2.8"
@ -139,6 +200,7 @@ version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
[metadata] [metadata]
"checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
"checksum backtrace 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8709cc7ec06f6f0ae6c2c7e12f6ed41540781f72b488d83734978295ceae182e" "checksum backtrace 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8709cc7ec06f6f0ae6c2c7e12f6ed41540781f72b488d83734978295ceae182e"
"checksum backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "44585761d6161b0f57afc49482ab6bd067e4edef48c12a152c237eb0203f7661" "checksum backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "44585761d6161b0f57afc49482ab6bd067e4edef48c12a152c237eb0203f7661"
"checksum cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b13a57efd6b30ecd6598ebdb302cca617930b5470647570468a65d12ef9719" "checksum cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b13a57efd6b30ecd6598ebdb302cca617930b5470647570468a65d12ef9719"
@ -149,11 +211,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d" "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
"checksum lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c8f31047daa365f19be14b47c29df4f7c3b581832407daabe6ae77397619237d" "checksum lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c8f31047daa365f19be14b47c29df4f7c3b581832407daabe6ae77397619237d"
"checksum libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)" = "36fbc8a8929c632868295d0178dd8f63fc423fd7537ad0738372bd010b3ac9b0" "checksum libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)" = "36fbc8a8929c632868295d0178dd8f63fc423fd7537ad0738372bd010b3ac9b0"
"checksum memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "796fba70e76612589ed2ce7f45282f5af869e0fdd7cc6199fa1aa1f1d591ba9d"
"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a" "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
"checksum regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ac6ab4e9218ade5b423358bbd2567d1617418403c7a512603630181813316322"
"checksum regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad890a5eef7953f55427c50575c680c42841653abd2b028b68cd223d157f62db"
"checksum rustc-demangle 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aee45432acc62f7b9a108cc054142dac51f979e69e71ddce7d6fc7adf29e817e" "checksum rustc-demangle 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aee45432acc62f7b9a108cc054142dac51f979e69e71ddce7d6fc7adf29e817e"
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"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6" "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
"checksum synstructure 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a761d12e6d8dcb4dcf952a7a89b475e3a9d69e4a69307e01a470977642914bd" "checksum synstructure 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a761d12e6d8dcb4dcf952a7a89b475e3a9d69e4a69307e01a470977642914bd"
"checksum thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "279ef31c19ededf577bfd12dfae728040a21f635b06a24cd670ff510edd38963"
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"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
"checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
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"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc" "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"

@ -6,3 +6,4 @@ authors = ["Alpha Chen <alpha.chen@gmail.com>"]
[dependencies] [dependencies]
failure = "0.1" failure = "0.1"
lazy_static = "1.0" lazy_static = "1.0"
regex = "0.2"

@ -1,19 +1,30 @@
use failure::*; use failure::*;
use regex::Regex;
pub fn solve(input: &str) -> Result<String, Error> {
let re: Regex = Regex::new(r"\d+")?;
let matches: Vec<_> = re.find_iter(input)
.map(|x| x.as_str())
.map(str::parse)
.collect::<Result<_, _>>()?;
let a_start = matches[0];
let b_start = matches[1];
// let a_start = 679;
// let b_start = 771;
pub fn solve(_: &str) -> Result<String, Error> {
let a = Generator { let a = Generator {
value: 679, value: a_start,
factor: 16807, factor: 16_807,
}; };
let b = Generator { let b = Generator {
value: 771, value: b_start,
factor: 48271, factor: 48_271,
}; };
let answer = a.filter(|a| a % 4 == 0) let answer = a.filter(|a| a % 4 == 0)
.zip(b.filter(|b| b % 8 == 0)) .zip(b.filter(|b| b % 8 == 0))
.take(5_000_000) .take(5_000_000)
.filter(|&(a, b)| a & 0b1111111111111111 == b & 0b1111111111111111) .filter(|&(a, b)| a & 0b1111_1111_1111_1111 == b & 0b1111_1111_1111_1111)
.count(); .count();
Ok(answer.to_string()) Ok(answer.to_string())
} }
@ -28,7 +39,7 @@ impl Iterator for Generator {
fn next(&mut self) -> Option<Self::Item> { fn next(&mut self) -> Option<Self::Item> {
self.value *= self.factor; self.value *= self.factor;
self.value %= 2147483647; self.value %= 2_147_483_647;
Some(self.value) Some(self.value)
} }
} }

@ -3,6 +3,7 @@
extern crate failure; extern crate failure;
#[macro_use] #[macro_use]
extern crate lazy_static; extern crate lazy_static;
extern crate regex;
use std::io::{self, Read}; use std::io::{self, Read};

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