Compilare: user.cpp: In function ‘long long int test()’: user.cpp:35:9: warning: unused variable ‘nrrzona’ [-Wunused-variable] int nrrzona;//numarul de regiuni dintr-o zona ^ user.cpp: In function ‘void deschidere_fisiere()’: user.cpp:12:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("romb.in","r",stdin); ^ user.cpp:13:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("romb.out","w",stdout); ^ user.cpp: In function ‘int main()’: user.cpp:72:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&nr_teste); ^ user.cpp:75:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%d%lf%lf",&dx,&dy,&k,&cx,&cy); ^