func_code_string: #include <bits/stdc++.h>   #define int long long   using namespace std;   signed main(){       int t;       cin >> t;       while(t--){           int k, n, m;           cin >> k >> n >> m;           int a[n + 1], b[m + 1];           for(int i = 0;i < n;i++){               cin >> a[i];           }           for(int i = 0;i < m;i++){               cin >> b[i];           }           a[n] = 0x3f3f3f3f, b[m] = 0x3f3f3f3f;           vector<int> ans; //答案序列           int l = k, ai = 0, bi = 0; //ai，bi分别表示两个数组分别删到了哪里，l为行数           bool flag = false;           while(ans.size() < n + m){               if(a[ai] == 0){                   ai++, ans.push_back(0);                   l++;                   continue;               }               else if(b[bi] == 0){                   bi++, ans.push_back(0);                   l++;                   continue;               }               int p = min(a[ai], b[bi]);               if(p == a[ai]){                   ai++;               }               else{                   bi++;               }               if(p > l){                   flag = true;                   break;               }               ans.push_back(p);           }           if(flag){               cout << -1 << endl;           }           else{               for(int i = 0;i < ans.size();i++){                   cout << ans[i] <<    ; //输出答案序列               }               cout << endl;           }       }       return 0;   }