View Compilation Error

0_0_38551330_595.cpp: In function 'void solve()':
0_0_38551330_595.cpp:16:15: error: invalid use of 'auto'
     odn(a(1e18));
               ^
0_0_38551330_595.cpp:5:22: note: in definition of macro 'odn'
 #define odn(x...) od(x), cout<<'\n'
                      ^
0_0_38551330_595.cpp:17:20: error: invalid use of 'auto'
     odn(a(100000000));
                    ^
0_0_38551330_595.cpp:5:22: note: in definition of macro 'odn'
 #define odn(x...) od(x), cout<<'\n'
                      ^