func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1E9 + 7, INF = 2E18 + 5;   const double PI = 2 * acos(0.0);   const long double EPS = 1.0E-14;   long long arr[1000005], arrFreq[1000005], arrAns[1000005];   vector<long long> vec;   int main() {     long long n, m, lcm = 1, sz = 0;     cin >> n >> m;     for (int i = 0; i < n; i++) {       scanf( %lld , &arr[i]);       if (arr[i] <= m) {         arrFreq[arr[i]]++;       }     }     for (int i = 1; i <= m; i++) {       if (!arrFreq[i]) continue;       for (int j = i; j <= m; j += i) {         arrAns[j] += arrFreq[i];       }     }     for (int i = 1; i <= m; i++) {       if (arrAns[i] > sz) {         sz = arrAns[i];         lcm = i;       }     }     for (int i = 0; i < n; i++) {       if (lcm % arr[i] == 0) {         vec.push_back(i + 1);       }     }     cout << lcm <<     << vec.size() <<   n ;     for (int i = 0; i < vec.size(); i++) {       printf( %lld  , vec[i]);     }     return 0;   }   