Rectangle area__ Code Practice

Find the total area covered by two rectilinear rectangles in a 2D plane.

Each rectangle is defined to bottom left corner and top right corner as shown in the figure.

Assume that "total" is never beyond the maximum possible value of int.

Credits:

Special @mithmatt for adding this problem, creating the above image and all test cases

Class Solution {public
:
    int computearea (int A, int B, int C, int D, int E, int F, int G, int H) {
        int val = ( C-A) * (d-b) + (G-E) * (h-f);
        if (E > C | | G < A | | F > D | | H < B) {return
            val;
        }
        Val-= (min (c,g)-Max (A,e)) * (min (d,h)-Max (b,f));
        return val;
    }
;

Class Solution {public
:
    int computearea (int A, int B, int C, int D, int E, int F, int G, int H) {
        int res = ( D-b) * (c-a) + (h-f) * (G-E);
        int A1 = max (A, E), B1 = Max (B, F), C1 = min (C, G), D1 = min (D, H);
        if (D1 <= B1 | | C1 <= A1) return res;
        return Res-(D1-B1) * (C1-A1);
    }
;