day8.rs

use std::io;
use std::io::BufRead;
use std::collections::HashMap;

fn main() {
    let stdin = io::stdin();
    let lines: Vec<std::string::String> = stdin.lock().lines().map(|l| l.unwrap()).collect();
   
    let trimmed = lines[0].trim();
    let mut count = 0;
    
    match trimmed.parse::<usize>() {
        Ok(i) => count = i,
        Err(..) => println!("this was not an integer: {}", trimmed)
    };
    
    let entries = (1..).take(count).fold(HashMap::new(), |mut acc, i| {
        let words: Vec<&str> = lines[i].trim().split_whitespace().collect();
        let (key, value) = (words[0], words[1]);
        acc.insert(key, value);
        
        acc
    });
    
    let queries = lines.iter().cloned().skip(count+1);
    
    for query in queries {
        match entries.get::<str>(&query) {
            Some(value) => println!("{}={}", &query, value),
            _ => println!("Not found"),
        }
    }
}