Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25: error: request for member ‘clear’ in ‘q’, which is of non-class type ‘int’ user.cpp:27: error: request for member ‘push_back’ in ‘q’, which is of non-class type ‘int’ user.cpp:28: error: request for member ‘size’ in ‘q’, which is of non-class type ‘int’ user.cpp:30: error: request for member ‘front’ in ‘q’, which is of non-class type ‘int’ user.cpp:31: error: request for member ‘pop_front’ in ‘q’, which is of non-class type ‘int’ user.cpp:32: error: request for member ‘front’ in ‘q’, which is of non-class type ‘int’ user.cpp:33: error: request for member ‘pop_front’ in ‘q’, which is of non-class type ‘int’ user.cpp:40: error: request for member ‘push_back’ in ‘q’, which is of non-class type ‘int’ user.cpp:42: error: request for member ‘push_back’ in ‘q’, which is of non-class type ‘int’ user.cpp:44: error: request for member ‘front’ in ‘q’, which is of non-class type ‘int’ user.cpp:44: error: request for member ‘front’ in ‘q’, which is of non-class type ‘int’ user.cpp:15: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result