nuclee.cpp: In function 'void tarjan(int)': nuclee.cpp:14: warning: 'auto' will change meaning in C++0x; please remove it nuclee.cpp:14: error: expected initializer before ':' token nuclee.cpp:19: error: expected primary-expression before 'if' nuclee.cpp:19: error: expected ';' before 'if' nuclee.cpp:19: error: expected primary-expression before 'if' nuclee.cpp:19: error: expected ')' before 'if' nuclee.cpp: In function 'int main()': nuclee.cpp:35: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:35: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:38: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:38: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:41: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:41: error: reference to 'cin' is ambiguous nuclee.cpp:3: error: candidates are: std::ifstream cin /usr/include/c++/4.4/iostream:58: error: std::istream std::cin nuclee.cpp:47: error: reference to 'cout' is ambiguous nuclee.cpp:4: error: candidates are: std::ofstream cout /usr/include/c++/4.4/iostream:59: error: std::ostream std::cout nuclee.cpp:47: error: reference to 'cout' is ambiguous nuclee.cpp:4: error: candidates are: std::ofstream cout /usr/include/c++/4.4/iostream:59: error: std::ostream std::cout