func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, k, v[105], frec[105];   vector<int> ans;   int main() {     cin >> n >> k;     for (int i = 1; i <= n; i++) cin >> v[i];     for (int i = 1; i <= n; i++)       if (!frec[v[i]]) {         frec[v[i]] = 1;         ans.push_back(i);         if (ans.size() == k) break;       }     if (ans.size() == k) {       cout <<  YES  <<   n ;       for (int i = 0; i < ans.size(); i++) cout << ans[i] <<    ;       cout <<   n ;     } else       cout <<  NO  <<   n ;     return 0;   }   