Submission #601323

#	Time	Username	Problem	Language	Result	Execution time	Memory
601323		IvanJ	Permutation (APIO22_perm)	C++17	0 / 100	0 ms	296 KiB

perm

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

#define pb push_back
#define all(a) (a).begin(), (a).end()

using namespace std;

typedef long long ll;


vector<int> construct_permutation(ll k) {
	deque<int> q;
	vector<int> v;
	for(;k > 0;k >>= 1) v.pb(k & 1);
	reverse(all(v));
	int num = 0;
	for(int i : v)
		if(!i) q.pb(num++);
		else q.push_front(num++);
	vector<int> p;
	while(q.size()) p.pb(q.front()), q.pop_front();
	return p;
}

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