计蒜客---加一

这个程序一开始没考虑到全9的特殊情况,导致提交一直不通过,程序写的有点多,不太符合题目的本意要求,后续找到优秀的算法,再改正

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        List<Integer> bList = new ArrayList<Integer>();
        Scanner input = new Scanner(System.in);
        int num,temp;
        num = input.nextInt();
        for (int i = 0; i < num; i++) {
            temp = input.nextInt();
            bList.add(temp);
        }
        temp = judge(bList, num);
        if((num-1-temp>-1)&&(bList.get(num-1-temp)!=9)){
            bList.set(num-1-temp, bList.get(num-1-temp)+1);
        }else {
            bList.set(num - temp, 0);
        }
        for (int i = (num-1); i >num - temp - 1 ; i--) {
            bList.set(i, 0);
        }
        if (judgezero(bList) == 0) {
            bList.add(0,1);
        }
        for (int i : bList) {
            System.out.print(i + " ");
        }
    }
    public static int judge(List<Integer> bList,int num) {
        int temp = 0;
        for (int i = (num-1); i >-1; i--) {
            if (bList.get(i) == 9) {
                temp++;
            }else {
                break;
            }
        }
        return temp;
}
    public static int judgezero(List<Integer> bList) {
        int sum = 0;
        for (int i = 0; i < bList.size(); i++) {
            sum = sum + bList.get(i);
        }
        return sum;

    }
}

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