Submission #982805

#	Time	Username	Problem	Language	Result	Execution time	Memory
982805		vjudge1	Permutation (APIO22_perm)	C++17	10 / 100	124 ms	12272 KiB

perm

#include "perm.h"

#include <bits/stdc++.h>

#define pb(x) push_back((x))
using namespace std;
using ll = long long;

std::vector<int> construct_permutation(long long k) {
	vector<int> x;

	ll currSum = 1;
	for (int i = 0; currSum + (1 << i) <= k; i++) {
		x.pb(i);
		currSum += (1 << i);
	}

	for (int i = 1; i <= (k - currSum); i++) x.pb(-i);
	for (int& i : x) i += k - currSum;

	return x;
}

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