csp 201509—1 数列分段(java)

在这里插入图片描述
思路:用一个数组承接输入的数,每次和前一个数不同的时候,数段个数count+1;

import java.util.Scanner;

public class Main {
    
    
    public static void main(String[] args) {
    
    
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        int[] a = new int[n];
        int count = 1;
        a[0] = input.nextInt();
        for (int i =1;i<n;i++){
    
    
            a[i] = input.nextInt();
            if (a[i] != a[i-1]){
    
    
                count++;
            }
        }
        System.out.println(count);
    }
}

原题链接:http://118.190.20.162/view.page?gpid=T32

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转载自blog.csdn.net/weixin_46157208/article/details/108025078