Eroare de compilare: user.cpp: In function ‘__gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > > find_v(int)’: user.cpp:10: error: ‘it’ was not declared in this scope user.cpp:10: error: request for member ‘end’ in ‘H’, which is of non-class type ‘std::vector<int, std::allocator<int> > [666013]’ user.cpp: In function ‘void insert_v(int)’: user.cpp:18: error: ‘it’ was not declared in this scope user.cpp: In function ‘void erase_v(int)’: user.cpp:22: error: ‘it’ was not declared in this scope user.cpp: In function ‘void write_v(int)’: user.cpp:26: error: ‘it’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:35: error: expected primary-expression before ‘}’ token user.cpp:35: error: expected ‘;’ before ‘}’ token user.cpp:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result