Eroare de compilare: user.cpp:9: error: ‘str’ was not declared in this scope user.cpp:9: error: ‘str’ does not name a type user.cpp:9: error: expected unqualified-id before ‘)’ token user.cpp: In function ‘int main()’: user.cpp:20: error: ‘n’ was not declared in this scope user.cpp:20: error: ‘m’ was not declared in this scope user.cpp:21: error: ‘i’ was not declared in this scope user.cpp:22: error: ‘a’ was not declared in this scope user.cpp:26: error: ‘v’ was not declared in this scope user.cpp:26: error: ‘sort’ was not declared in this scope