Unit 3 Application - 2009 3B

int[] rateTable;
public int getChargingCost(int chargeTime){
    int minimum_cost = 0;
    int start_time = 0;
    
    for (int hour=0; hour<24; hour++)
    {
        int total_rate = 0;
        int curr_hour = hour;
        for (int i=0; i < chargeTime; i++){

            if( (curr_hour + i) > 23)
            {
                curr_hour = 0;
                chargeTime -= i;
                i = 0;
            }
            total_rate += rateTable[curr_hour + i];
        }

        if( (minimum_cost == 0) || (total_rate < minimum_cost) )
        {
            minimum_cost = total_rate;
            start_time = hour;
        }
}

return start_time;

}

2017 FRQ 1B

public class Digits {

    private ArrayList<Integer> digitList;
    Integer maximum = digitList[0];
    Integer counter = 0;
    public boolean isStrictlyIncreasing() {
        for (int i=1; i < len(digitList[]); i++){
            if (maximum < digitList[i]){
                maximum = digitList[i];
                counter = counter +1;
            }
            else{
                return false;
            }

        } 
        return true;

    }

 }

2019 FRQ 3B

public boolean isBalanced(ArrayList<String> delimiters) {
    int open = 0;
    int close = 0;
    for (String d: delimiters) {
        if (d.equals(openDel)) {
            open++;
        } else if (d.equals(closeDel)) {
            close++;
        }

        if (close > open) return false; 
    }
    return open == close; 
}