func_code_string: #include<bits/stdc++.h>   using namespace std;   #define ll long long int   #define endl   n    void solve()   {       int n,start=0;       cin>>n;       int end=n;       int arr[n],pos[n+1];       for(int i=0 ; i<n;i++)       {       cin>>arr[i];       pos[arr[i]]=i;       }       for(int i=n;i>0;i--)       {           start = pos[i];           if(end>start)           {               for(int j=start ; j<end ; j++)               {                   cout<<arr[j]<<   ;               }           end = start;           }       }       cout<<endl;   }      int main()   {   int t;   cin>>t;   while(t--)   {   solve();   }   return 0;   }