comefrom: <qiyuangong>836_Rectangle_Overlap_1.java
code: public boolean isRectangleOverlap(int[] rec1, int[] rec2) {
          return !(rec1[2] <= rec2[0] ||   // left
                   rec1[3] <= rec2[1] ||   // bottom
                   rec1[0] >= rec2[2] ||   // right
                   rec1[1] >= rec2[3]);    // top
      }
masked: public boolean var_0 ( int [ ] var_1 , int [ ] var_2 ) {
    return ! ( var_1 [ 2 ] <= var_2 [ 0 ] || var_1 [ 3 ] <= var_2 [ 1 ] || var_1 [ 0 ] >= var_2 [ 2 ] || var_1 [ 1 ] >= var_2 [ 3 ] ) ;
  }
  