Inversiot

input/code.cpp: In function 'int main()':
input/code.cpp:15:6: warning: unused variable 'j' [-Wunused-variable]
  int j = 0;
      ^

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long

using namespace std;

int n, k, inv;
deque<int> d1, d2;

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n >> k;
	int j = 0;
	for(int i=n; i>1; i--) {
		if(i-1+inv<=k) {
			cout << i << endl;
			d1.push_back(i);
			inv+= i-1;
		} else
			d2.push_front(i);
	}
	for(auto u:d1)
		cout << u << " ";
	cout << 1 << " ";
	for(auto u:d2)
		cout << u << " ";
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER