func_code_string: #include <iostream>   #include <vector>   using namespace std;   int t,k,n,m;   vector<int> a,b,v;   int main() {       ios_base::sync_with_stdio(false);       cin.tie(nullptr);       cin>>t;       while (t--) {           cin>>k>>n>>m;           a.resize(n);           b.resize(m);           for (int &x:a) cin>>x;           for (int &x:b) cin>>x;           auto solve=[&]()->vector<int> {               vector<int> sequences;               int l=0,r=0,cur=k;               while (true) {                   if (l==n && r==m) break;                   if (l!=n && a[l]>=0 && a[l]<=cur) {                       if (a[l]==0) cur++;                       sequences.emplace_back(a[l++]);                   }                   else if (r!=m && b[r]>=0 && b[r]<=cur) {                       if (b[r]==0) cur++;                       sequences.emplace_back(b[r++]);                   }                   else return vector<int> {-1};               }               return sequences;           };           v=solve();           for (int i=0;i<(int)v.size();i++) cout<<v[i]<<   n [i==(int)v.size()-1];       }   }