View Compilation Error

0_0_37857919_20688.cpp: In function 'int main()':
0_0_37857919_20688.cpp:121:40: error: no matching function for call to 'std::vector<int>::clear(int)'
   rep (i, 1, n) d[i] = 0, g[i].clear (0);
                                        ^
0_0_37857919_20688.cpp:121:40: note: candidate is:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_37857919_20688.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:1211:7: note: void std::vector<_Tp, _Alloc>::clear() [with _Tp = int; _Alloc = std::allocator<int>]
       clear() _GLIBCXX_NOEXCEPT
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:1211:7: note:   candidate expects 0 arguments, 1 provided