codcorect.cpp:6: error: conflicting declaration 'std::ofstream fin' codcorect.cpp:5: error: 'fin' has a previous declaration as 'std::ifstream fin' codcorect.cpp: In function 'int main()': codcorect.cpp:38: error: 'fout' was not declared in this scope codcorect.cpp:41: error: 'fout' was not declared in this scope