Eroare de compilare: user.cpp:2:20: error: bistset: No such file or directory user.cpp:6: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘int main()’: user.cpp:19: error: ‘v’ was not declared in this scope user.cpp:23: error: ‘v’ was not declared in this scope user.cpp:26: error: ‘v’ was not declared in this scope user.cpp:27: error: ‘v’ was not declared in this scope