package Second;

/**
 * 题目：
 *      输入一个正整数数组，把数组里所有数字拼接起来排成一个数，
 *      打印能拼接出的所有数字中最小的一个。例如输入数组{3，32，321}，
 *      则打印出这三个数字能排成的最小数字为321323。
 *
 *      大数问题转换成字符串
 */
public class P227_PrintMinNumber {
    public String PrintMinNumber(int [] numbers) {

        String result = "";
        if (numbers == null || numbers.length == 0) {
            return result;
        }

        for (int i = 0; i < numbers.length; i++) {
            for (int j = numbers.length - 1; j > i; j--) {
                int temp = Compare(numbers[i], numbers[j]);
                if (temp > 0) {
                    int medium = numbers[j];
                    numbers[j ] = numbers[i];
                    numbers[i] = medium;
                }
            }
        }

        for (int j = 0; j < numbers.length; j++) {
            result += numbers[j];
        }
        return result;
    }

    public int Compare(int number1, int number2) {
        String temp1 = number1 + "" + number2;
        String temp2 = number2 + "" + number1;

        return temp1.compareTo(temp2);
    }

    public  static void main(String[] args){
        int[] numbers = {3, 32, 321};

        P227_PrintMinNumber test = new P227_PrintMinNumber();
        String result = test.PrintMinNumber(numbers);
        System.out.print(result);
    }
}