HackerRank > Algorithms > Implementation > Breaking the Records

gistfile1.txt

use std::io::{self, Read};

fn line_to_vec<T: std::str::FromStr>(line: &str) -> Vec<T> {
    line.split_whitespace().map(|x| x.parse::<T>().ok().expect("parse error")).collect::<Vec<T>>()
}
        
fn main() {
    
    let mut buffer = String::new();
    io::stdin().read_to_string(&mut buffer).unwrap();
    let mut lines = buffer.lines();
    
    lines.next();
    let line2 = lines.next().unwrap();
            
    let scores = line_to_vec::<u32>(line2);
        
    let mut lowest = scores[0];
    let mut highest = scores[0];
    
    let mut lowest_change_count = 0;
    let mut highest_change_count = 0;
    
    for s in scores {
      if s < lowest {
        lowest = s;
        lowest_change_count += 1;
      } else if s > highest {
        highest = s;
        highest_change_count += 1;
      }
    }
    
    println!("{} {}", highest_change_count, lowest_change_count);
}