Submission #969569

#	Time	Username	Problem	Language	Result	Execution time	Memory
969569		Syrius	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	604 KiB

perm

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

// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)
typedef vector < int > vint;

const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;

vint construct_permutation(long long k) {

	vint v;
	int mn = 0 , mx = 0;
	ll kk = k;
	while (k != 1) {
		if (k % 2 == 0) k /= 2;
		else k--;
		mx++;
	}
	mx--;

	k = kk;
	while (k != 1) {
		if (k % 2 == 0) {
			k /= 2;
			v.push_back(mx);
			mx--;
		} else {
			k--;
			v.push_back(mn);
			mn++;
		}
	}

	reverse(v.begin() , v.end());
	return v;
}

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