Compilare: main.cpp: In function 'bool verificare_intersectie(dreapta, dreapta)': main.cpp:75:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~^~~~~~~~~ main.cpp:75:100: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~^~~~~~~~~ main.cpp:75:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool intersectate_paralele(dreapta, dreapta)': main.cpp:89:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~^~~~~~~~~ main.cpp:89:100: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~^~~~~~~~~ main.cpp:89:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (det1<0 && det2 >0 && (det3<0 && det4>0 || det3>0 && det4<0) || det2<0 && det1>0 && (det3<0 && det4>0 || det3>0 && det4<0) ) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~