// split space separated values into an vector of u64
split space separated values into an vector of u64
split space separated values into an vector of u64
fn line_to_vec(line: &str) -> Vec<u64> {
    line.split_whitespace()
        .filter_map(|x| x.parse::<u64>().ok())
        .collect::<Vec<u64>>()
}
fn line_to_vec ( line : & str ) -> Vec < u64 > { line . split_whitespace ( ) . filter_map ( | x | x . parse :: < u64 > ( ) . ok ( ) ) . collect :: < Vec < u64 > > ( ) }
split space separated values into an vector of u64
split space separated values into an vector of u64
line
&str