题解 | #简单错误记录#

use std::io::{self, *};
use std::collections::HashMap;

fn main() {
    let stdin = io::stdin();
    let mut m: HashMap<String, u8> = HashMap::new();
    let mut q: Vec<String> = Vec::new();
    unsafe {
        for line in stdin.lock().lines() {
            let ll = line.unwrap();
            let res: Vec<&str> = ll.split(" ").collect();
            let paths: Vec<&str> = res[0].split("\\").collect();
            let fname = paths.last().unwrap();
            let start = ll.len() - 1 - res[1].len() - fname.len().min(16);
            let key = ll[start..ll.len()].to_string();
            if let Some(_) = q.iter().find(|&i| (*i).eq(&key)) {} else { q.push(key.clone()) }
            m.entry(key).and_modify(|i| *i += 1).or_insert(1);
        }

        for i in (if q.len() > 8 {q.len() - 8} else {0})..q.len() {
            println!("{} {}", q[i], m[&q[i]]);
        }
    }
}