Submission #980518

#	Time	Username	Problem	Language	Result	Execution time	Memory
980518		willychan	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	348 KiB

perm

#include "perm.h" 
#include<bits/stdc++.h>
using namespace std;
std::vector<int> construct_permutation(long long k)
{
	deque<int> d;
	int f = __lg(k);
	int cur = 0;
	for(int i=f-1;i>=0;i--){
		d.push_back(cur++);
		if((k>>i)&1) d.push_front(cur++);
	}
	vector<int> ans;
	for(auto i : d) ans.push_back(i);
	return ans;
}

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