Eroare de compilare in evaluator: 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:2:19: error: conio.h: No such file or directory user.cpp:5: error: 'ios' has not been declared user.cpp:5: error: 'ios' has not been declared user.cpp: In function 'void back()': user.cpp:51: warning: unused variable 'i' user.cpp: At global scope: user.cpp:85: error: '::main' must return 'int' user.cpp: In function 'int main()': user.cpp:105: error: 'endl' was not declared in this scope