网易2023届秋季校园招聘笔试0820-通用技术

编程题1

编程题2

import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int[] nums = new int[n];
        int oddMax = -1, singMax = -1;
        for (int i = 0; i < n; i++) {
            nums[i] = scanner.nextInt();
            if (i % 2 == 0)
                oddMax = Math.max(oddMax, nums[i]);
            else
                singMax = Math.max(singMax, nums[i]);
        }
        if (oddMax == singMax)
            singMax += 1;
        BigInteger ans = new BigInteger("0");
        for (int i = 0; i < n; i++) {
            int temp = i % 2 == 0 ? oddMax - nums[i] : singMax - nums[i];
            ans = ans.add(new BigInteger(String.valueOf(temp)));
        }
        System.out.println(ans);
    }
}

编程题3

编程题4

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int[] nums = new int[n];
        for (int i = 0; i < n; i++)
            nums[i] = scanner.nextInt();

        int ans = 0;
        for (int i = 0; i < n; i++) {
            for (int k = i+2; k < n; k++) {
                for (int j = i+1; j < k; j++)
                    if (nums[i] == nums[k] && nums[i] > nums[j])
                        ans++;
            }
        }
        System.out.println(ans);
    }
}