Arrays - DS

arrays_ds.rs

// Enter your code here 
use std::io;

fn main() {
    let mut in_line_1 = String::new();
    let mut in_line_2 = String::new();
    io::stdin().read_line(&mut in_line_1).ok().expect("Line 1 read error");
    io::stdin().read_line(&mut in_line_2).ok().expect("Line 2 read error");
    
    let n: usize = in_line_1.trim().parse().ok().expect("Parse Error");
    let mut a = vec![0i32; 0];
    for i in in_line_2.trim().split_whitespace().rev() {
        a.push(i.parse().ok().expect("Parse Error"));
    }
    assert!(a.len() == n);
    
    let ans: Vec<String> = a.iter().map(|x| x.to_string()).collect();
    println!("{}", ans.join(" "));
}