class Solution {

int computeArea(int A, int B, int C, int D, int E, int F, int G, int H) {

int area=(C-A)*(D-B)+(G-E)*(H-F);

int ll=0,hh=0;

int lmax=max(max(A,C),max(E,G));

int lmin=min(min(A,C),min(E,G));

int hmax=max(max(D,B),max(H,F));

int hmin=min(min(D,B),min(H,F));

if(lmax<((C-A)+(G-E))+lmin && hmax<((D-B)+(H-F))+hmin){

ll=(C-A)+(G-E)-lmax+lmin;

hh=(D-B)+(H-F)-hmax+hmin;

}

return area-ll*hh;

}

};