View Compilation Error

0_0_26441683_13796.cpp: In function 'bool bfs()':
0_0_26441683_13796.cpp:29:60: error: expected statement at end of input
 #define REP(i,from,to)      for(auto i=(from); i<=(to); ++i)
                                                            ^
0_0_26441683_13796.cpp:67:5: note: in expansion of macro 'REP'
     REP(i, 1, n)
     ^
0_0_26441683_13796.cpp:29:60: error: expected '}' at end of input
 #define REP(i,from,to)      for(auto i=(from); i<=(to); ++i)
                                                            ^
0_0_26441683_13796.cpp:67:5: note: in expansion of macro 'REP'
     REP(i, 1, n)
     ^