Submission #46631322

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Source Code Expand

#![allow(dead_code)]

use std::collections::BinaryHeap;
fn main() {
    proconio::input! {
        n: usize,
        m: usize,
        mut a: [usize; n]
    }
    let mg = n - m;
    let mut t = 0;
    a.sort();

    for i in 0..n {
        t += a[i] * a[i];
    }
    for i in 0..mg {
        t += 2 * a[i] * a[2 * mg - 1 - i];
    }
    println!("{}", t);
}

Submission Info

Compile Error

warning: unused import: `std::collections::BinaryHeap`
 --> src/main.rs:3:5
  |
3 | use std::collections::BinaryHeap;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

Judge Result