otilia.cpp: In function 'std::pair<int, int> farthest(int, int, int)': otilia.cpp:24: error: in C++98 'ans' must be initialized by constructor, not by '{...}' otilia.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x otilia.cpp:25: warning: 'auto' will change meaning in C++0x; please remove it otilia.cpp:25: error: expected initializer before ':' token otilia.cpp:27: error: expected primary-expression before 'return' otilia.cpp:27: error: expected ';' before 'return' otilia.cpp:27: error: expected primary-expression before 'return' otilia.cpp:27: error: expected ')' before 'return' otilia.cpp: In function 'void on_diameter(int, int, int)': otilia.cpp:33: warning: 'auto' will change meaning in C++0x; please remove it otilia.cpp:33: error: expected initializer before ':' token otilia.cpp:39: error: expected primary-expression before 'if' otilia.cpp:39: error: expected ';' before 'if' otilia.cpp:39: error: expected primary-expression before 'if' otilia.cpp:39: error: expected ')' before 'if' otilia.cpp: In function 'void dfs(int, int)': otilia.cpp:53: warning: 'auto' will change meaning in C++0x; please remove it otilia.cpp:53: error: expected initializer before ':' token otilia.cpp:65: error: expected ')' before ';' token otilia.cpp: In function 'int main()': otilia.cpp:74: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x otilia.cpp:74: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x