codeforces - hilbert's hotel

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fast()(ios_base::sync_with_stdio(0),cin.tie(NULL));
int main()
{
    fast()
    ll t;
    cin>>t;
    while(t--)
    {
        ll n;
        cin>>n;
        ll ara[n];
        bool use[n],flg=true;;
        fill(use,use+n,false);
        for(ll i=0;i<n;i++)
        {
            cin>>ara[i];
            ll x=(ara[i]+i)%n;
            x=(x+n)%n;
            if(use[x])flg=false;
            use[x]=true;
        }
        if(flg)cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
}