Compilare: user.cpp: In function ‘double ec_dr(double, double, double, double, double&, double&, double&)’: user.cpp:76:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int dety(double, double, double, double, double, double, double&)’: user.cpp:83:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int detx(double, double, double, double, double, double, double, double&)’: user.cpp:92:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:22:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:26:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf",&x,&y); ^ user.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:33:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf",&x,&y); ^ user.cpp: In function ‘int main()’: user.cpp:150:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.in","r",stdin); ^ user.cpp:151:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.out","w",stdout); ^