Submission #1695165

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Source Code Expand

use std::io;
use std::cmp;

fn main() {
    let stdin = io::stdin();
    let mut buf = String::new();
    stdin
        .read_line(&mut buf)
        .unwrap();
    let n: i64 = buf.trim().parse().unwrap();

    buf = String::new();
    stdin
        .read_line(&mut buf)
        .unwrap();
    let k: i64 = buf.trim().parse().unwrap();

    buf = String::new();
    stdin
        .read_line(&mut buf)
        .unwrap();
    let x: Vec<i64> = buf.split_whitespace()
        .map(|n| n.parse().unwrap())
        .collect();

    let mut ans = 0;
    for i in x {
        ans += cmp::min(i*2, (k-i)*2);
    }

    println!("{}", ans);
}

Submission Info

Compile Error

warning: unused variable: `n`, #[warn(unused_variables)] on by default
  --> ./Main.rs:10:9
   |
10 |     let n: i64 = buf.trim().parse().unwrap();
   |         ^

Judge Result