View Compilation Error

0_0_23696301_27432.cpp: In function 'long long int CRT2(long long int*, long long int*, int)':
0_0_23696301_27432.cpp:19:45: error: 'Extended_euclid' was not declared in this scope
         d = Extended_euclid(w[0], w[i], x, y);
                                             ^
0_0_23696301_27432.cpp: In function 'int main()':
0_0_23696301_27432.cpp:5:12: error: expected primary-expression before 'long'
 #define ll long long 
            ^
0_0_23696301_27432.cpp:40:12: note: in expansion of macro 'll'
  ll u=CRT2(ll l[a], ll k[a], ll a);
            ^
0_0_23696301_27432.cpp:5:12: error: expected primary-expression before 'long'
 #define ll long long 
            ^
0_0_23696301_27432.cpp:40:21: note: in expansion of macro 'll'
  ll u=CRT2(ll l[a], ll k[a], ll a);
                     ^
0_0_23696301_27432.cpp:5:12: error: expected primary-expression before 'long'
 #define ll long long 
            ^
0_0_23696301_27432.cpp:40:30: note: in expansion of macro 'll'
  ll u=CRT2(ll l[a], ll k[a], ll a);
                              ^