题解 | #牛牛的等差数列#
牛牛的等差数列
http://www.nowcoder.com/practice/fb9daba67b88437a9e501adf020d425e
import java.util.Scanner;
public class Main{
public static void main(String[]args){
Scanner in =new Scanner(System.in);
String input = in.nextLine();
String []num=input.split(" ");
int d=Integer.parseInt(num[1])-Integer.parseInt(num[0]);
System.out.println(d+Integer.parseInt(num[1]));
}
}
