Compilare: main.cpp: In function 'int main()': main.cpp:82:74: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%lf%lf%lf%lf%d", &A.x, &A.y, &B.x, &B.y, &C.x, &C.y, &n); ^ main.cpp:85:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &v[i].x, &v[i].y); ^