View Compilation Error

0_0_36668837_18840.cpp: In function 'int main()':
0_0_36668837_18840.cpp:95:1: error: reference to 'set' is ambiguous
 set(j,a);
 ^
0_0_36668837_18840.cpp:38:6: note: candidates are: void set(int, int)
 void set(int a,int b)
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:61:0,
                 from 0_0_36668837_18840.cpp:16:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:90:11: note:                 template<class _Key, class _Compare, class _Alloc> class std::set
     class set
           ^