// The Computer Language Benchmarks Game // https://benchmarksgame-team.pages.debian.net/benchmarksgame/ // // contributed by the Rust Project Developers // contributed by TeXitoi // contributed by BurntSushi extern crate regex; use std::io::{self, Read}; use std::sync::Arc; use std::thread; macro_rules! regex { ($re:expr) => { ::regex::bytes::Regex::new($re).unwrap() }; } fn main() { let mut seq = Vec::with_capacity(51 * (1 << 20)); io::stdin().read_to_end(&mut seq).unwrap(); let ilen = seq.len(); seq = regex!(">[^\n]*\n|\n").replace_all(&seq, &b""[..]).into_owned(); let clen = seq.len(); let seq_arc = Arc::new(seq.clone()); let variants = vec![ regex!("agggtaaa|tttaccct"), regex!("[cgt]gggtaaa|tttaccc[acg]"), regex!("a[act]ggtaaa|tttacc[agt]t"), regex!("ag[act]gtaaa|tttac[agt]ct"), regex!("agg[act]taaa|ttta[agt]cct"), regex!("aggg[acg]aaa|ttt[cgt]ccct"), regex!("agggt[cgt]aa|tt[acg]accct"), regex!("agggta[cgt]a|t[acg]taccct"), regex!("agggtaa[cgt]|[acg]ttaccct"), ]; let mut counts = vec![]; for variant in variants { let seq = seq_arc.clone(); let restr = variant.to_string(); let future = thread::spawn(move || variant.find_iter(&seq).count()); counts.push((restr, future)); } let substs = vec![ (regex!("B"), &b"(c|g|t)"[..]), (regex!("D"), &b"(a|g|t)"[..]), (regex!("H"), &b"(a|c|t)"[..]), (regex!("K"), &b"(g|t)"[..]), (regex!("M"), &b"(a|c)"[..]), (regex!("N"), &b"(a|c|g|t)"[..]), (regex!("R"), &b"(a|g)"[..]), (regex!("S"), &b"(c|g)"[..]), (regex!("V"), &b"(a|c|g)"[..]), (regex!("W"), &b"(a|t)"[..]), (regex!("Y"), &b"(c|t)"[..]), ]; let mut seq = seq; for (re, replacement) in substs { seq = re.replace_all(&seq, replacement).into_owned(); } for (variant, count) in counts { println!("{} {}", variant, count.join().unwrap()); } println!("\n{}\n{}\n{}", ilen, clen, seq.len()); }