Compilare: user.cpp: In function ‘bool cmp(my, my)’: user.cpp:11:84: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] bool cmp(my a,my b){return cww(V[1],a,b) < 0 || (cww(V[1],a,b) == 0 && (a.y != b.y && a.x < b.x || a.y == b.y && a.x > b.x || a.x == b.x && a.y < b.y));} ^ user.cpp:11:138: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] bool cmp(my a,my b){return cww(V[1],a,b) < 0 || (cww(V[1],a,b) == 0 && (a.y != b.y && a.x < b.x || a.y == b.y && a.x > b.x || a.x == b.x && a.y < b.y));} ^ user.cpp: In function ‘int main()’: user.cpp:19:52: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(V[i].x < V[poz].x || V[i].x == V[poz].x && V[i].y < V[poz].y) poz = i; ^