Compilare: user.cpp: In function ‘Point getPoint()’: user.cpp:47:29: warning: unused variable ‘j’ [-Wunused-variable] double i=min(p1.x,p2.x),j=max(p1.x,p2.x),m; ^ user.cpp:47:46: warning: unused variable ‘m’ [-Wunused-variable] double i=min(p1.x,p2.x),j=max(p1.x,p2.x),m; ^ user.cpp: In function ‘int main()’: user.cpp:61:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc2.in","r",stdin); ^ user.cpp:62:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc2.out","w",stdout); ^ user.cpp:64:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&t); PI = acos(-1); Orig = mp(0,0); ^ user.cpp:66:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%lf",&R,&alfa,&s); ^