pragma solidity ^0.4.24;

contract DynamicArrays {
    uint24[] score;
    
    function addScore(uint24 s) public returns(uint24[]){
        score.push(s);
        return score;
    }
    
    function getLength() view public returns (uint){
        return score.length;
    }
    
    function clearArray() public returns (uint24[]){
        delete score;
        return score;
    }
}