Solution of 'Variable Sized Arrays' (HackerRank)

 Hi guys, here's my solution of the question-'Variable Sized Arrays' from HackerRank. Again, if you guys have any doubts regarding my code, any suggestions for my code or blog, do comment below. TY and Happy Coding!

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n,q;
    cin>>n>>q;
    vector<int> v[n];
    for(int i=0;i<n;i++){
        int Q;
        cin>>Q;
        for(int j=0;j<Q;j++){
            int x;
            cin>>x;
            v[i].push_back(x);
        }
    }
    while(q--){
        int i,t;
        cin>>i>>t;
        auto itr=v[i].begin()+t;
        cout<<*itr<<'\n';
    }
}

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