func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int i, j, n, m, k, dist, min_count, num;     vector<int> len_jumps, mosqs, mosq_count, result;     cin >> n >> m >> k;     len_jumps.resize(m);     mosqs.resize(k);     mosq_count.resize(m);     for (i = 0; i < m; i++) {       cin >> len_jumps[i];       mosq_count[i] = 0;     }     for (i = 0; i < k; i++) {       cin >> mosqs[i];     }     for (i = 0; i < m; i++) {       for (j = 0; j < k; j++) {         if (mosqs[j] % len_jumps[i] == 0) {           mosq_count[i]++;         }       }     }     min_count = n;     for (i = 0; i < m; i++) {       if (mosq_count[i] < min_count) {         min_count = mosq_count[i];       }     }     num = 0;     for (i = 0; i < m; i++) {       if (mosq_count[i] == min_count) {         num++;         result.push_back(i + 1);       }     }     cout << num << endl;     for (i = 0; i < result.size() - 1; i++) {       cout << result[i] <<    ;     }     cout << result[result.size() - 1] << endl;     return 0;   }   