Compilare: user.cpp: In function ‘bool intersectie(segm, segm)’: user.cpp:29:68: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((a*b<=0 && c*d<0) || (a*b<0 && c*d<=0) || (a*b==0 && c*d==0 && (x.a<=max(y.a,y.c) && x.a>=min(y.a,y.c)) || (x.c<=max(y.a,y.c) && x.c>=min(y.a,y.c)))) ^