Compilare: user.cpp: In function ‘int main()’: user.cpp:262:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri2.in","r",stdin); ^ user.cpp:263:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri2.out","w",stdout); ^ user.cpp:265:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:271:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p); ^ user.cpp: In member function ‘void numar::citeste()’: user.cpp:218:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s" , s + 1); ^ user.cpp: In member function ‘bool numar::operator<(const numar&) const’: user.cpp:166:5: warning: control reaches end of non-void function [-Wreturn-type] } ^