C - Sum on Subarrays.cpp

#ifdef DEBUG
#include "debug.h"
#endif // DEBUG
#ifndef DEBUG
template <typename T>
void debug(T &x){}
template <typename T>
void debug(T &x, int i, int j){}
#endif // DEBUG

#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(nullptr), ios::sync_with_stdio(false);
    int T;
    cin >> T;
    while(T--){
        int n, k;
        cin >> n >> k;
        vector <int> v(n, -2);
        int num = 0;
        for(int i = 0; i < n; i++){
            int cnt = n - i;
            if(k >= cnt) v[i] = 1000, k -= cnt, num++;
            else{
                v[i] = k * 2 - 1;
                break;
            }
        }

        for(int i : v) cout << i << ' ';
        cout << "\n";
    }
}