Submission #957591

#	Time	Username	Problem	Language	Result	Execution time	Memory
957591		vjudge1	Permutation (APIO22_perm)	C++17	0 / 100	0 ms	348 KiB

perm

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

vector<int> construct_permutation(long long k){
	vector<int> ans;
	int cnt = 0; k--;
	for(int i = 59; i >= 0; i--){
		if(k >= (1ll<<(i+1)) - 1){
			int lcnt = cnt;
			cnt += i + 1;
			k -= (1ll<<(i+1)) - 1;
			for(int i = cnt; i > lcnt; i--){
				ans.push_back(i - 1);
			}
		}
	}
	if(k) ans.push_back(cnt);
	reverse(ans.begin(), ans.end());
	return ans;
}

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