Submission #578429

#	Time	Username	Problem	Language	Result	Execution time	Memory
578429		1zaid1	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	340 KiB

perm

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

vector<int> construct_permutation(long long k) {
	vector<int> ans;
	int mx = 1000, mn = -1000;
	vector<int> steps;
	while (k != 1) {
		if (k%2) ans.push_back(mn++);
		ans.push_back(mx--);
		k /= 2;
	} reverse(ans.begin(), ans.end());

	map<int, int> fr;
	vector<int> tmp = ans;
	int ind = 0;
	sort(tmp.begin(), tmp.end());
	for (int i:tmp) {
		fr[i] = ind++;
	}

	for (int&i:ans) i = fr[i];
	return ans;
}
/*
1 2 4 5 10 11 22 23
{}
{0 1 -1 2 -2 3 -3}
{3 4 2 5 1 6 0}
{}
*/

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90