View Compilation Error

0_0_18229061_19022.cpp: In function 'bool conect(int, int)':
0_0_18229061_19022.cpp:40:41: error: 'typeof' was not declared in this scope
 #define Ech(it, A) for (typeof(A.begin()) it=A.begin(); it != A.end(); ++it)
                                         ^
0_0_18229061_19022.cpp:92:2: note: in expansion of macro 'Ech'
  Ech(it, gra[s]) {
  ^
0_0_18229061_19022.cpp:92:6: error: 'it' was not declared in this scope
  Ech(it, gra[s]) {
      ^
0_0_18229061_19022.cpp:40:57: note: in definition of macro 'Ech'
 #define Ech(it, A) for (typeof(A.begin()) it=A.begin(); it != A.end(); ++it)
                                                         ^