package com.itranswarp.learnjava;
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 Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入你上次的成绩:");
int c1 = scanner.nextInt();
System.out.print("请输入你这次的成绩:");
int c2 = scanner.nextInt();
double t = (c2-c1)*1.0/c1*100;
if (t >= 0) {
System.out.printf("你的成绩比上次提高了:%.2f%%\n", t );
}else {
System.out.printf("你的成绩比上次降低了:%.2f%%\n", t );
}
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笑笑笑就知道笑i
package com.itranswarp.learnjava;
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 Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入你上次的成绩:");
int c1 = scanner.nextInt();
System.out.print("请输入你这次的成绩:");
int c2 = scanner.nextInt();
double t = (c2-c1)*1.0/c1*100;
if (t >= 0) {
System.out.printf("你的成绩比上次提高了:%.2f%%\n", t );
}else {
System.out.printf("你的成绩比上次降低了:%.2f%%\n", t );
}
}
}