CSP：CSP认证考试：202109-2（非零段划分）70分答案，Java版

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一、题目：

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二、Java70分答案

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

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        String str = scanner.nextLine();
        String[] num = str.split(" ");
        ArrayList<Integer> ints = new ArrayList<>();

        int max=0;
        for (String x : num) {
            if(max<=Integer.parseInt(x)){
                max=Integer.parseInt(x);
            }
            ints.add(Integer.parseInt(x));
        }

        int notZeroMax=notZero(ints);

        for (int y=1;y<=max;y++){
            for (int z=ints.size()-1;z>=0;z--){
                if(ints.get(z)<y){
                    ints.set(z,0);
                }
            }
            if(notZeroMax<notZero(ints)){
                notZeroMax=notZero(ints);
            }
        }
        System.out.println(notZeroMax);

    }
    public static int notZero(ArrayList<Integer> numbers){
        int n=numbers.size();
        String str="";
        for (int i=0;i<n;i++){
            if (numbers.get(i)!=0){
                while (numbers.get(i)!=0){
                    i++;
                    if(i==n){
                        break;
                    }
                }
                str=str+"#";
            }
        }
        return str.length();
    }
}