View Compilation Error

0_0_25660026_27166.cpp: In function 'int64 ni_mod(int64, int64)':
0_0_25660026_27166.cpp:53:38: error: 'assert' was not declared in this scope
     assert(ext_gcd(mod, a, x, y) == 1);
                                      ^
0_0_25660026_27166.cpp: In function 'int main()':
0_0_25660026_27166.cpp:130:23: error: reference to 'tm' is ambiguous
         turn(cnt, tn, tm, qu[i].L, qu[i].R);
                       ^
0_0_25660026_27166.cpp:65:13: note: candidates are: int tm
 int tn = 1, tm = 1;
             ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cwchar:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/postypes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iosfwd:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25660026_27166.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:895:10: note:                 struct tm
   struct tm {
          ^