Compilare: user.cpp: In member function ‘void Hg::p()’: user.cpp:3:126: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] user.cpp:4:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ user.cpp: In member function ‘Hg Hg::operator+=(const Hg&)’: user.cpp:5:95: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:6:23: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:55: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:87: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]