/**
* Checks if your input records any code coverage percentage.
* If returns 1, then percentage is added if that category 
* hasn't been hit before.
*/
function checkProblemCoverage() {
    if (rollsBall) {
        return 1;
    } else if (isSpare){
        return 1;
    } else if (isStrike) {
        return 1;
    } else if (pinsHit > 10) {
        return 1;
    } else if (pins hit < 0) {
        return 1;
    } else if (pinsHit + pinsAlreadyHitInFrame > 10) {
        return 1;
    } else if (isNaN(pinsHit)) {
        return 1;
    } else if (legalRoll) {
        return 1;
    }
    return 0;
}