アルゴリズムと数学 058

https://atcoder.jp/contests/math-and-algorithm/tasks/math_and_algorithm_ax

届くかと偶奇の判定だけですね。

// Move on Squares 1
#![allow(non_snake_case)]


//////////////////// library ////////////////////

fn read<T: std::str::FromStr>() -> T {
    let mut line = String::new();
    std::io::stdin().read_line(&mut line).ok();
    line.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>().split_whitespace()
            .map(|e| e.parse().ok().unwrap()).collect()
}

fn YesNo(b: bool) -> String {
    return if b { "Yes".to_string() } else { "No".to_string() }
}


//////////////////// process ////////////////////

fn read_input() -> (i64, i64, i64) {
    let v = read_vec();
    (v[0], v[1], v[2])
}

fn f(N: i64, X: i64, Y: i64) -> bool {
    N >= X.abs() + Y.abs() && (X + Y - N) % 2 == 0
}

fn main() {
    let (N, X, Y) = read_input();
    println!("{}", YesNo(f(N, X, Y)))
}