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:2:18: error: conio.h: No such file or directory user.cpp:17:2: warning: no newline at end of file user.cpp:6: error: '::main' must return 'int' user.cpp: In function 'int main()': user.cpp:7: error: 'clrscr' was not declared in this scope user.cpp:9: error: expected ',' or ';' before 'cin' user.cpp:12: error: 'calc' was not declared in this scope user.cpp:15: error: 'enld' was not declared in this scope user.cpp:16: error: 'getch' was not declared in this scope