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交作业

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Blind-Monster

#1 Created at ... [Delete] [Delete and Lock User]

package my;

import java.util.Scanner;

public class output {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        System.out.print("输入上一次的考试成绩: ");

        int score_last = scanner.nextInt();

        System.out.print("输入上这一次的考试成绩: ");

        int score_now = scanner.nextInt();

        double upgrade = (score_now - score_last) / (double)score_last * 100;

        System.out.printf("您的成绩提高了: %.2f%%", upgrade);

    }

}


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