Eroare de compilare: In file included from /usr/include/c++/4.4/cstdint:35, from user.cpp:4: /usr/include/c++/4.4/c++0x_warning.h:31:2: error: #error This file requires compiler and library support for the upcoming ISO C++ standard, C++0x. This support is currently experimental, and must be enabled with the -std=c++0x or -std=gnu++0x compiler options. user.cpp:58: warning: integer constant is too large for ‘long’ type user.cpp:59: warning: integer constant is too large for ‘long’ type user.cpp:92: warning: integer constant is too large for ‘long’ type user.cpp:93: warning: integer constant is too large for ‘long’ type user.cpp: In member function ‘std::string BigNum::toDecimal() const’: user.cpp:79: error: ‘reverse’ is not a member of ‘std’ user.cpp:74: warning: unused variable ‘n’