Eroare de compilare: In file included from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward/iostream.h:31, from user.cpp:1: /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/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:46:2: warning: no newline at end of file user.cpp: In function 'void sum()': user.cpp:11: error: invalid types 'float [30][float]' for array subscript user.cpp: In function 'void back(int)': user.cpp:20: warning: converting to 'int' from 'float' user.cpp: At global scope: user.cpp:29: error: '::main' must return 'int'