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:50:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:10: warning: comparison between signed and unsigned integer expressions user.cpp:13: error: 'val1' was not declared in this scope user.cpp:18: error: 'sx1' was not declared in this scope user.cpp:21: error: 'val1' was not declared in this scope user.cpp:26: error: 'sn1' was not declared in this scope user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:32: error: 'val1' was not declared in this scope user.cpp:37: error: 'sx2' was not declared in this scope user.cpp:40: error: 'val1' was not declared in this scope user.cpp:45: error: 'sn2' was not declared in this scope user.cpp:48: error: 'sxt' was not declared in this scope user.cpp:48: error: 'sx1' was not declared in this scope user.cpp:48: error: 'sx2' was not declared in this scope user.cpp:49: error: 'snt' was not declared in this scope user.cpp:49: error: 'sn1' was not declared in this scope user.cpp:49: error: 'sn2' was not declared in this scope user.cpp:49: error: expected `}' at end of input