Eroare de compilare: In file included from /usr/include/c++/4.2/backward/fstream.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:58:4: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:9: warning: unused variable 'pr' user.cpp: In function 'int main()': user.cpp:33: error: redefinition of 'int main()' user.cpp:4: error: 'int main()' previously defined here user.cpp:38: warning: unused variable 'pr'