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:73:25: error: invalid suffix "s2" on integer constant user.cpp:94:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:37: error: 'spi' was not declared in this scope user.cpp:52: error: 's12' was not declared in this scope user.cpp:64: error: 's11' was not declared in this scope user.cpp:75: error: 's11' was not declared in this scope user.cpp:76: error: 's12' was not declared in this scope user.cpp:28: warning: unused variable 's21' user.cpp:28: warning: unused variable 's22' user.cpp:28: warning: unused variable 's31' user.cpp:28: warning: unused variable 's32' user.cpp:28: warning: unused variable 'as1' user.cpp:28: warning: unused variable 'as2' user.cpp:28: warning: unused variable 'as3' user.cpp:28: warning: unused variable 'bs1' user.cpp:28: warning: unused variable 'bs2' user.cpp:94: error: expected `}' at end of input