Compilare: In file included from /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward/fstream.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: In function 'int main()': user.cpp:29: warning: converting to 'long int' from 'double' user.cpp:31: warning: converting to 'long int' from 'double' user.cpp:19: warning: unused variable 'k' user.cpp:95: warning: 'm1' is used uninitialized in this function user.cpp:95: warning: 'm2' is used uninitialized in this function