Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

vector< int64_t > divisor(int64_t n) {
  vector< int64_t > ret;
  for(int64_t i = 1; i * i <= n; i++) {
    if(n % i == 0) {
      ret.push_back(i);
      if(i * i != n) ret.push_back(n / i);
    }
  }
  sort(begin(ret), end(ret));
  return (ret);
}

ll gcd(ll a,ll b){
  if(a < b){
    ll temp = a+b;
    a = temp - a;
    b = temp - b;
  }
  ll c = 1;
  if(b == 0)return a;
  while(c != 0){
    c = a%b;
    if(c == 0)return b;
    a = b;
    b = c;
  }
}

bool pjudge(ll p){
    bool judge = true;
    for(int i = 2;i <= sqrt(p);i++){
        if(p % i == 0){
            judge = false;
            break;
        }
    }
    return judge;
}

int main(){
    ll a,b;
    cin >> a >> b;
    vector<ll> d;
    ll x = gcd(a,b);
    d = divisor(x);
    ll siz = d.size();
    ll ans = 0;
    for(int i = 0;i < siz;i++){
        if(pjudge(d[i]) == true)ans++;
    }
    cout << ans << endl;
    //cin >> a;      
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:18: error: no match for 'operator=' (operand types are 'std::vector<long long int>' and 'std::vector<long int>')
   49 |     d = divisor(x);
      |                  ^
In file included from /usr/include/c++/14/vector:72,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/vector.tcc:210:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  210 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/vector.tcc:211:42: note:   no known conversion for argument 1 from 'std::vector<long int>' to 'const std::vector<long long int>&'
  211 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/14/vector:66:
/usr/include/c++/14/bits/stl_vector.h:766:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:766:26: note:   no known conversion for argument 1 from 'std::vector<long int>' to 'std::vector<long long int>&&'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:788:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  788 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:788:46: note:   no known conversion for argument 1 from 'std::vector<long int>' to 'std::initializer_list<long long int>'
  788 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
a.cc: In function 'll gcd(ll, ll)':
a.cc:31:1: warning: control reaches end of non-void function [-Wreturn-type]
   31 | }
      | ^