d057. 11494 - Queen -- UVa11494 | From: [218.161.88.48] | 發表日期 : 2011-02-02 01:03

#include <iostream>

using namespace std;

int main () {

   int  X1, Y1, X2, Y2;

        while (cin >>  X1 >> Y1 >> X2 >> Y2,  X1 || Y1 || X2 || Y2 ){

 if (X1 == X2 && Y1 == Y2)

  cout << "0\n";

  else 

 if (X1 == X2 || Y1 == Y2)

 cout << "1\n" ;

 else

 if   

                 (X1 > X2)

swap (X1, X2);

 if (Y1 > Y2)

 swap (Y1, Y2);

 if

(((X1 - X2) + (Y1 - Y2)) <= 0) 

cout << "1\n";

else

cout << "2\n";

   }

}

 

 

 

為什麼我WA永遠都在LINE 11

究竟為什麼QQ?