fn solve()

in contests/abc135/abc135_a.rs [16:30]

• 13 lines of code
• 2 McCabe index (conditional complexity)

fn solve(src: &str) -> String {
    let source = AutoSource::from(src);

    input! {
        from source,
        A: usize,
        B: usize,
    }

    if (A + B) % 2 == 0 {
        format!("{}", (A + B) / 2)
    } else {
        format!("IMPOSSIBLE")
    }
}