Submission #745267

#	Time	Username	Problem	Language	Result	Execution time	Memory
745267		speedyArda	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	340 KiB

perm

#include "perm.h"
#include "bits/stdc++.h"
 
using namespace std;
vector<int> construct_permutation(long long k)
{
	long long beg = __lg(k);
	vector<int> ans;
	for(int i = 0; i < beg; i++)
		ans.push_back(i);
	long long rem = k - (1LL << beg);
	for(long long i = beg - 1; i >= 0; i--)
	{
		if(rem & (1LL << i))
		{
			rem -= (1LL << i);
			ans.insert(ans.begin() + i, beg++);
		}
	}
	return ans;
}

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