Help me in solving WEIRDSUBARR problem

help
,
1

My issue

plz give me approach

My code

#include <bits/stdc++.h>
#define ll long long int
using namespace std;

int main() {
	// your code goes here
	ll t;
	cin>>t;
	while(t--){
	    ll n;
	    cin>>n;
	    vector<ll>v(n);
	    for(auto i:v){cin>>v[i];}
	    
	}
	
	return 0;
}

Problem Link: WEIRDSUBARR Problem - CodeChef