Submission #1357321

#	Time	Username	Problem	Language	Result	Execution time	Memory
1357321		kawhiet	Permutation (APIO22_perm)	C++20	0 / 100	0 ms	344 KiB

perm

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

vector<int> construct_permutation(long long k) {
	int mx = 5000;
	vector<int> a;
	for (int i = 60; i >= 0; i--) {
		long long x = 1LL << i;
		while (k > (x - 1)) {
			if (x - 1 == 0) {
				break;
			}
			k -= x - 1;
			for (int j = 0; j < i; j++) {
				a.push_back(mx - i + j);
			}
			mx -= i;
		}
	}
	int mn = ranges::min(a);
	for (auto &x : a) {
		x -= mn;
	}
	int n = a.size();
	cout << n << '\n';
	return a;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 90