func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m, k;   int c[10000007];   vector<pair<int, int> > x;   int temp;   vector<int> vt;   int main() {     scanf( %d %d %d , &m, &k, &n);     for (int i = 0; i < m; i++) {       scanf( %d , &temp);       c[temp]++;       if (c[temp] > n) {         printf( -1 n );         return 0;       }     }     for (int i = 0; i < k; i++) {       scanf( %d , &temp);       x.push_back(make_pair(temp, i));     }     sort(x.begin(), x.end());     int cur = 0;     int remain = 0;     for (int i = 0; i < k; i++) {       while (cur <= x[i].first) {         remain += n - c[cur];         cur++;       }       if (remain) {         remain--;         vt.push_back(x[i].second);       }     }     printf( %d n , vt.size());     for (int i = 0; i < vt.size(); i++) printf( %d  , vt[i] + 1);     return 0;   }   