View Compilation Error

0_0_39323344_9105.cpp: In function 'bool miller_rabin(ll)':
0_0_39323344_9105.cpp:37:14: error: 'qpow' was not declared in this scope; did you mean 'pow'?
   37 |         ll v=qpow(a,u,n);
      |              ^~~~
      |              pow
0_0_39323344_9105.cpp: In function 'int main()':
0_0_39323344_9105.cpp:61:36: error: 'qpow' was not declared in this scope; did you mean 'pow'?
   61 |             if (miller_rabin(t) && qpow(t, i, n + 1) == n) {
      |                                    ^~~~
      |                                    pow
0_0_39323344_9105.cpp:66:36: error: 'qpow' was not declared in this scope; did you mean 'pow'?
   66 |             if (miller_rabin(t) && qpow(t, i, n + 1) == n) {
      |                                    ^~~~
      |                                    pow
0_0_39323344_9105.cpp:71:36: error: 'qpow' was not declared in this scope; did you mean 'pow'?
   71 |             if (miller_rabin(t) && qpow(t, i, n + 1) == n) {
      |                                    ^~~~
      |                                    pow