Eroare de compilare: user.cpp:3: error: ‘fin’ does not name a type user.cpp:4: error: ‘fout’ does not name a type user.cpp: In function ‘int main()’: user.cpp:8: error: ‘fin’ was not declared in this scope user.cpp:10: error: ‘sqrt’ was not declared in this scope user.cpp:15: error: ‘sqrt’ was not declared in this scope user.cpp:17: error: ‘fout’ was not declared in this scope user.cpp:19: error: ‘fout’ was not declared in this scope user.cpp:21: error: ‘fout’ was not declared in this scope