Submission #969667

#	Time	Username	Problem	Language	Result	Execution time	Memory
969667		anton	Permutation (APIO22_perm)	C++17	91.33 / 100	1 ms	600 KiB

perm

#include "perm.h"
#include<bits/stdc++.h>

using namespace std;
#define pii pair<int, int>
#define ll long long
const int MAX_N = 1e3;

void construct_k(ll k, int m, vector<int>& v){
	if(k == 0LL || k== 1LL){
		return;
	}
	else{
		if(k%2LL == 0LL){
			v.push_back(m++);
			construct_k(k/2LL, m, v);
		}
		else{
			construct_k(k-1LL, m+1, v);
			v.push_back(m);
		}
	}
}
std::vector<int> construct_permutation(long long k)
{
	vector<int> res;
	construct_k(k, 0, res);
	return res;
}

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