design-parking-system_0223.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>design-parking-system</title>
</head>
<body>
    
</body>
<script>
["ParkingSystem","addCar","addCar","addCar","addCar"]
[[1,1,0],[1],[2],[3],[1]]

/**
 * @param {number} big
 * @param {number} medium
 * @param {number} small
 */
let ParkingSystem = function(big, medium, small) {
    this.capacities = {
        1: big,
        2: medium,
        3: small
    }
};

/** 
 * @param {number} carType
 * @return {boolean}
 */
ParkingSystem.prototype.addCar = function(carType) {
    if(this.capacities[carType] === 0) return false
    this.capacities[carType]--;
    return true;
};

/** 
 * Your ParkingSystem object will be instantiated and called as such:
 * var obj = new ParkingSystem(big, medium, small)
 * var param_1 = obj.addCar(carType)
 */
</script>
</html>