Eroare de compilare: user.cpp:6: error: expected initializer before numeric constant user.cpp:11: error: ‘N’ was not declared in this scope user.cpp:13: error: ‘N’ was not declared in this scope user.cpp:13: error: ‘N’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:18: error: ‘s’ was not declared in this scope user.cpp:18: error: ‘b’ was not declared in this scope user.cpp:39: error: ‘bt’ was not declared in this scope user.cpp:49: error: ‘bt’ was not declared in this scope