Help me in solving ANTITRI problem

help
,
1

My issue

in my code i am not able to find any issue as it is working fine but compiler is showing wrong

My code

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

int main() {
	int t;
	cin>>t;


	while(t--){
	    long long n,l;
	    cin>>n>>l;
	    long long a=l;
	  	vector<long long> arr;
	    for(int i=0;i<n;i++){
	        arr.push_back(a);
	        a+=(l+1);
	    }
	    for(int i=0;i<n;i++){
	        cout<<arr[i]<<" ";
	    }
	    cout<<endl;
	   
	}

}

Problem Link: Anti-Triangle Practice Coding Problem - CodeChef