水题，注意数据范围即可

#include 
     
      #include 
      
       #include 
       
        using namespace std;typedef pair
        
          Point;int main(){    int x,y;    cin >> x >>y;    Point a,b;    if((x>0 && y > 0) || (x < 0 && y < 0)) a = make_pair(x+y,0),b=make_pair(0,x+y);    else a = make_pair(x-y,0),b=make_pair(0,y-x);    if(a.first > b.first) swap(a,b);    cout<
         
          <<" "<
          
           <<" "<
           
            <<" "<
            
             <