Language: C++

#include <bits/stdc++.h>

#define FILE
#define fr first
#define se second

using namespace std;

const long long N = 2e5 + 7;
const long long inf = 1e9 + 7;
const long long mod = 1e9 + 7;

long long n;
long long cnt[N];
long long a[N];
long long pw(long long a, long long n){
    long long res = 1;
    while(n > 0){
        if(n & 1){
            res = res * 1ll * a % mod;
        }
        a = a * 1ll * a % mod;
        n >>= 1;
    }
    return res;
}
long long inv(long long x){
    return pw(x, mod - 2);
}
int main()
{
    ios_base::sync_with_stdio(false);

    cin >> n;
    for(long long i = 1; i <= n; i ++){
        cin >> a[i];
        long long x = a[i];
        for(long long j = 2; j * j <= x; j ++){
            long long ans = 0;
            while(x % j == 0){
                ans ++;
                x /= j;
            }
            cnt[j] = max(cnt[j], ans);
        }
        if(x != 1){
            cnt[x] = max(cnt[x], 1);
        }
    }
    long long s = 1;
    for(long long i = 2; i < N; i ++){
        s = (1ll * s * pw(i, cnt[i])) % mod;
    }
    long long res = 0;
    for(long long i = 1; i <= n; i ++){
        res = (res + (1ll * s * inv(a[i])) % mod) % mod;
    }
    cout << res << "\n";
}



Compiler output:
a.cc: In function 'int main()':
a.cc:47:25: error: no matching function for call to 'max(long long int&, int)'
   47 |             cnt[x] = max(cnt[x], 1);
      |                      ~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:47:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   47 |             cnt[x] = max(cnt[x], 1);
      |                      ~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:47:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   47 |             cnt[x] = max(cnt[x], 1);
      |                      ~~~^~~~~~~~~~~