Function roar 

pub fn roar(num: &str) -> Result<String, FromDecStrErr>

Decompose integer into the combination of 114514 formulae.

Failure

• The integer doesn’t meet the condition, –2¹⁰²⁴ + 1 ≤ num ≤ 2¹⁰²⁴ – 1 .
• There are invalid characters in num.

Examples found in repository

examples/cli.rs (line 5)

fn main() {
    let num = args().nth(1).unwrap();
    let formula = homo::roar(&num).unwrap();

    println!("{formula}");
}