pitici1.cpp: In function 'void dfs(int)': pitici1.cpp:25: warning: 'auto' will change meaning in C++0x; please remove it pitici1.cpp:25: error: expected initializer before ':' token pitici1.cpp:29: error: could not convert 'sorttop.std::vector<_Tp, _Alloc>::push_back [with _Tp = int, _Alloc = std::allocator<int>](((const int&)((const int*)(& nod))))' to 'bool' pitici1.cpp:31: error: expected primary-expression before '}' token pitici1.cpp:31: error: expected ')' before '}' token pitici1.cpp:31: error: expected primary-expression before '}' token pitici1.cpp:31: error: expected ';' before '}' token pitici1.cpp: In function 'int main()': pitici1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pitici1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pitici1.cpp:45: warning: 'auto' will change meaning in C++0x; please remove it pitici1.cpp:45: error: expected initializer before ':' token pitici1.cpp:66: error: expected primary-expression at end of input pitici1.cpp:66: error: expected ';' at end of input pitici1.cpp:66: error: expected primary-expression at end of input pitici1.cpp:66: error: expected ')' at end of input pitici1.cpp:66: error: expected statement at end of input pitici1.cpp:66: error: expected '}' at end of input