Eroare de compilare: In file included from /usr/include/c++/3.3/backward/iostream.h:31, from user.cpp:1: /usr/include/c++/3.3/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 <sstream> instead of the deprecated header <strstream.h>. To disable this warning use -Wno-deprecated. user.cpp:3:18: conio.h: No such file or directory user.cpp:5: error: `main' must return `int' user.cpp:5: error: return type for `main' changed to `int' user.cpp: In function `int main(...)': user.cpp:7: error: `sqrt' cannot be used as a function user.cpp:5: warning: unused variable `int j' user.cpp:8: warning: statement with no effect user.cpp:12: warning: statement with no effect