Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <utility>
#include <algorithm>
#include <iomanip>
#include <cmath>

using namespace std;

using ll = long long;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define mp(a,b) make_pair(a,b)
#define pb(a) push_back(a)

const ll mod = 1000000007;

int main() {
 	ll n;
 	cin >> n;


    vector<ll> p;
    vector<ll > a(n);

    p.push_back(2);
    for (ll i = 3; i <= 2000; i += 2) {
        bool is_ok = true;
        ll max_i = sqrt(i) + 10;
         for(ll cur : p) {
            if (cur >= max_i) {
                break;
            }
            if (i % cur == 0) {
                is_ok = false;
                break;
            }
         }
         if (is_ok) {
            p.push_back(i);
         }
    }

    //vector<ll> ps(1000001,0);
    map<ll,ll> lcm;

    for (int i = 0; i < n; i++) {
        cin >> a[i];
        ll val = a[i];
        //ll max_v = 1010;
        ll max_v = sqrt(val);

        for (ll cur : p) {
            if (cur > val) {
                break;
            }
            if (p > max_v) {
                // val is prime
                lcm[val] = 1;
                break;
            }
            ll count = 0;
            while (val % cur == 0) {
                val /= cur;
                count++;
            }
            if (count > 0) {
                lcm[cur] = max(count, lcm[cur]);
            }
        }
    }

    ll ans = 0;
    /*
    for (int i = 0; i < n; i++) {
        ll cur = a[i];
        ll cur_ans = 1;
        for(auto itr : lcm) {
            ll k = itr.first;
            ll v = itr.second; 

            for (int i = 0; i < v; i++) {
                if (cur % k == 0) {
                    cur /= k; 
                } else {
                    cur_ans = (cur_ans * k) % mod;
                }
            }
        }
        ans = (ans + cur_ans) % mod;
    }
    */
 	cout << ans << endl;
 	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:59:19: error: no match for 'operator>' (operand types are 'std::vector<long long int>' and 'll' {aka 'long long int'})
   59 |             if (p > max_v) {
      |                 ~ ^ ~~~~~
      |                 |   |
      |                 |   ll {aka long long int}
      |                 std::vector<long long int>
In file included from /usr/include/c++/14/string:48,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:462:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  462 |     operator>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:462:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/stl_iterator.h:507:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  507 |     operator>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:507:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1714 |     operator>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1714:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1774 |     operator>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1774:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1058:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1058 |     operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1058:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::pair<_T1, _T2>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:695:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  695 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:695:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/string_view:702:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  702 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:702:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/string_view:710:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  710 |     operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:710:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/basic_string.h:3915:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3915 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3915:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/basic_string.h:3929:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3929 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3929:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
/usr/include/c++/14/bits/basic_string.h:3942:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3942 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3942:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   mismatched types 'const _CharT*' and 'std::vector<long long int>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2619:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator>(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
 2619 |     operator>(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/14/tuple:2619:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::tuple<_UTypes ...>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_vector.h:2102:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator>(const vector<_Tp, _Alloc>&, const vector<_Tp, _Alloc>&)'
 2102 |     operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:2102:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   mismatched types 'const std::vector<_Tp, _Alloc>' and 'll' {aka 'long long int'}
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/set:63,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_set.h:1039:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> bool std::operator>(const set<_Key, _Compare, _Allocator>&, const set<_Key, _Compare, _Allocator>&)'
 1039 |     operator>(const set<_Key, _Compare, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_set.h:1039:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::set<_Key, _Compare, _Allocator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/set:64:
/usr/include/c++/14/bits/stl_multiset.h:1025:5: note: candidate: 'template<class _Key, class _Compare, class _Alloc> bool std::operator>(const multiset<_Key, _Compare, _Allocator>&, const multiset<_Key, _Compare, _Allocator>&)'
 1025 |     operator>(const multiset<_Key,_Compare,_Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_multiset.h:1025:5: note:   template argument deduction/substitution failed:
a.cc:59:21: note:   'std::vector<long long int>' is not derived from 'const std::multiset<_Key, _Compare, _Allocator>'
   59 |             if (p > max_v) {
      |                     ^~~~~
In file included from /usr/include/c++/14/map:63,
                 from a.cc:5:
/usr/include/c++/14/bits/stl_map.h:1564:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> bool std::operator>(const map<_Key, _Tp, _Compare, _Allocator>&, const map<_Key, _Tp, _Compare, _Allo