func_code_string: #include <bits/stdc++.h>   using namespace std;   int cnt[1000000 + 10];   int a[1000000 + 10];   int main() {     int n, m;     cin >> n >> m;     for (int i = 0; i < n; i++) {       cin >> a[i];       if (a[i] <= m) {         cnt[a[i]]++;       }     }     for (int i = m; i >= 1; i--) {       for (int j = i; (j += i) <= m;) {         cnt[j] += cnt[i];       }     }     int i, j;     for (i = j = 1; i <= m; i++) {       if (cnt[i] > cnt[j]) {         j = i;       }     }     cout << j <<     << cnt[j] << endl;     for (i = 0; i < n; i++) {       if (j % a[i] == 0) {         cout << i + 1 <<    ;       }     }     return 0;   }   