import java.util.Scanner;
/**
* 输入上次考试成绩(int)和本次考试成绩(int),然后输出成绩提高的百分比,保留两位小数位(例如,21.75%)
*/
public class 自做 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in); // 创建Scanner对象
System.out.print("Input your prev: "); // 打印提示
int prev = scanner.nextInt(); // 读取一行输入并获取字符串
System.out.print("Input your score: "); // 打印提示
int score = scanner.nextInt(); // 读取一行输入并获取整数
float percent= ((float)score-(float)prev)/(float)score*100;
System.out.printf("you have imrpoved by %.2f%%", percent);
}
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牛油火锅不错
import java.util.Scanner;
/**
* 输入上次考试成绩(int)和本次考试成绩(int),然后输出成绩提高的百分比,保留两位小数位(例如,21.75%)
*/
public class 自做 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in); // 创建Scanner对象
System.out.print("Input your prev: "); // 打印提示
int prev = scanner.nextInt(); // 读取一行输入并获取字符串
System.out.print("Input your score: "); // 打印提示
int score = scanner.nextInt(); // 读取一行输入并获取整数
float percent= ((float)score-(float)prev)/(float)score*100;
System.out.printf("you have imrpoved by %.2f%%", percent);
}
}