Rectangle Area

 1 int computeArea(int A, int B, int C, int D, int E, int F, int G, int H) {
 2             Rectangle rect1(A,C,B,D);
 3             Rectangle rect2(E,G,F,H);
 4             
 5             int areaRect1 = (rect1.right-rect1.left)*(rect1.top-rect1.bottom);
 6             int areaRect2 = (rect2.right-rect2.left)*(rect2.top-rect2.bottom);
 7             
 8             int maxLeft = max(rect1.left, rect2.left);
 9             int minRight = min(rect1.right, rect2.right);
10             int maxBottom = max (rect1.bottom, rect2.bottom);
11             int minTop = min(rect1.top, rect2.top);
12             int x = minRight-maxLeft;
13             int y = minTop-maxBottom;
14             if ( x > 0 && y > 0)
15                 return areaRect1+areaRect2-x*y;
16             else
17                 return areaRect1+areaRect2;
18     }