uscat.cpp:4: error: expected nested-name-specifier before 'll' uscat.cpp:4: error: 'll' has not been declared uscat.cpp:4: error: expected ';' before '=' token uscat.cpp:4: error: expected unqualified-id before '=' token uscat.cpp: In function 'int main()': uscat.cpp:33: warning: unused variable 'j'