叛逆的小明

女爷i 2023-07-16 10:58 12阅读 0赞

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzY3MzE1Ng_size_16_color_FFFFFF_t_70]

**Sample Input**

3
    20 6
    7 7
    -100 -140

**Sample Output**

3
    20 6
    7 7
    -100 -140

import java.util.Scanner;
    
    public class Main {
        
        static int ans1,ans2;
        public static void fn(int a,int b){
        
            StringBuilder sa=new StringBuilder(String.valueOf(a));
            StringBuilder sb=new StringBuilder(String.valueOf(b));
            sa=sa.reverse();
            sb=sb.reverse();
            ans1=Integer.parseInt(String.valueOf(sa))+Integer.parseInt(String.valueOf(sb));
            ans2=Integer.parseInt(String.valueOf(sa))-Integer.parseInt(String.valueOf(sb));
        }
        public static void main(String[] args) {
        
            Scanner scanner=new Scanner(System.in);
            int t=scanner.nextInt();
            int n=0,m=0;
            while (t>0){
        
                t--;
                n=scanner.nextInt();
                m=scanner.nextInt();
    
                int a=(n+m)/2;//a
                int b=n-a;//b
                if (a>=0&&b>=0){
        
                    fn(a,b);
                    System.out.println(ans1+" "+ans2);
                }else if (a<0&&b>=0){
        
                    fn(b,0-a);
                    System.out.println(ans2+" "+(0-ans1));
                }else if(a>=0&&b<0){
        
                    fn(a,0-b);
                    System.out.println(ans2+" "+ans1);
                }else{
        
                    fn(0-a,0-b);
                    System.out.println((0-ans1)+" "+(0-ans2));
                }
    
    
            }
        }
    }

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