Submission #38485661

Source Code Expand

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use proconio::{input, marker::Usize1};
fn main() {
    input! {
        h: usize,
        w: usize,
    };
    if h == 1 || w == 1 {
        println!("1");
        return;
    }
    let ans = match (h % 2, w % 2) {
        (0, 0) | (0, 1) | (1, 0) => (h * w) / 2,
        (1, 1) => (h * w) / 2 + 1,
        _ => unreachable!(),
    };
    println!("{}", ans);
}
 
 
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use proconio::{input, marker::Usize1};

fn main() {
    input! {
        h: usize,
        w: usize,
    };
    if h == 1 || w == 1 {
        println!("1");
        return;
    }

    let ans = match (h % 2, w % 2) {
        (0, 0) | (0, 1) | (1, 0) => (h * w) / 2,
        (1, 1) => (h * w) / 2 + 1,
        _ => unreachable!(),
    };
    println!("{}", ans);
}

Submission Info

Compile Error

warning: unused import: `marker::Usize1`
 --> src/main.rs:1:23
  |
1 | use proconio::{input, marker::Usize1};
  |                       ^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

Judge Result