//            System.out.println(cnt);             int xxx = x-1;             int yyy = y-1;             while (xxx<h&&yyy<w){                 for (int i = xxx+q; i > xxx-1; i--) {                     for (int j = yyy+p; j > yyy-1; j--) {                         if (i>xxx&&j>yyy&&i>=0&&i<h&&j>=0&&j<w&&pin[i][j] != ren[-(xxx-i+q)+q-1][-(yyy-j+p)+p-1] ){                             cnt++;                             pin[i][j] = ren[-(xxx-i+q)+q-1][-(yyy-j+p)+p-1];                         }                         if ( (i==xxx||j==yyy)&&(i>=0&&i<h&&j>=0&&j<w) && pin[i][j] != '.' ){                             cnt++;                         }                     }                 }                 xxx+=xm;                 yyy+=ym;             }             System.out.println(cnt);         }     } }