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随便写

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Chpal

#1 Created at ... [Delete] [Delete and Lock User] 
import java.util.Scanner;

public class Main {    public static void main(String[] args) {        Scanner scanner = new Scanner(System.in);        System.out.print("请输入上次考试成绩: ");        int oldScore = scanner.nextInt();        System.out.print("请输入本次考试成绩: ");        int newScore = scanner.nextInt();        double percent = (double)((newScore - oldScore) / newScore) * 100;        System.out.printf("你相比上次考试成绩提高了%.2f%%\n", percent); // 格式化输出    }}
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