Eroare de compilare: In file included from /usr/include/c++/4.2/backward/iostream.h:31, from user.cpp:1: /usr/include/c++/4.2/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. user.cpp:28:2: warning: no newline at end of file user.cpp:5: error: conflicting declaration 'std::ifstream f' user.cpp:3: error: 'f' has a previous declaration as 'int f' user.cpp: In function 'int main()': user.cpp:12: error: two or more data types in declaration of 'num' user.cpp:13: warning: statement has no effect user.cpp:15: error: invalid operands of types 'int' and 'char [20]' to binary 'operator>>' user.cpp: At global scope: user.cpp:27: error: expected unqualified-id before 'return' user.cpp:28: error: expected declaration before '}' token