/// get the best score achieved among all submissions
get the best score achieved among all submissions
get the best score achieved among all submissions
pub fn best_score(&self) -> f64 {
        let mut res: f64 = 0.0;
        for sub in &self.submissions {
            if let Some(score) = sub.score {
                res = res.max(score);
            }
        }
        res
    }
pub fn best_score ( & self ) -> f64 { let mut res : f64 = 0.0 ; for sub in & self . submissions { if let Some ( score ) = sub . score { res = res . max ( score ) ; } } res }
get the best score achieved among all submissions
get the best score achieved among all submissions
&self