View Compilation Error

0_0_33408984_318.cpp: In function 'int main()':
0_0_33408984_318.cpp:89:10: error: 'a' was not declared in this scope
         }a
          ^
0_0_33408984_318.cpp:90:13: error: 'i' was not declared in this scope
         rep(i, g[m].y + 1, n) ans[i] = 1;
             ^
0_0_33408984_318.cpp:6:36: note: in definition of macro 'rep'
 #define rep(i,a,n) for (int i = a; i <= n; i++)
                                    ^