/**
 * 題目：
 *      給定一個double型別的浮點數base和int型別的整數exponent。求base的exponent次方。
 */
public class P110_IntegerPowerOfNumber {
    public double IntegerPowerOfNumber(double base, int exponent) {
        double result = 0;
        //輸入底數為0
        if (base == 0) {
            return 0;
        }
        //輸入指數為0
        if (exponent == 0) {
            return 1;
        }
        result = 1;
        int temp = Math.abs(exponent);
        for (int i = 1; i <= temp; i++) {
            result *= base;
        }

        if (exponent > 0) {
            result = result;
        }
        if (exponent < 0) {
            result = 1 / result;
        }
        return result;
    }

    public static void main(String[] args) {
        double base = 1;
        int exponent = 0;

        P110_IntegerPowerOfNumber test = new P110_IntegerPowerOfNumber();
        double result = test.IntegerPowerOfNumber(base, exponent);
        System.out.print(result);
    }
}