Submission #954941

#	Time	Username	Problem	Language	Result	Execution time	Memory
954941		horiseun	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	348 KiB

perm

#include <iostream>
#include <vector>
#include <numeric>
#include <algorithm>
#include "perm.h"
using namespace std;

#define ll long long

vector<int> construct_permutation(ll k) {
	int curr = 0;
	for (int i = 59; i >= 0; i--) {
		if (k & (1ll << i)) {
			curr = i;
			break;
		}
	}
	vector<int> ret(curr);
	iota(ret.begin(), ret.end(), 0);
	for (int i = curr - 1; i >= 0; i--) {
		if (k & (1ll << i)) {
			ret.insert(ret.begin() + i, curr);
			curr++;
		}
	}
	return ret;
}

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