제출 #1177493

#제출 시각아이디문제언어결과실행 시간메모리
1177493Agageldi순열 (APIO22_perm)C++20
91.33 / 100
1 ms328 KiB
#include "bits/stdc++.h"
#include "perm.h"
// #include "grader.cpp"
using namespace std;

vector<int> construct_permutation(long long k) {
	deque <int> v;
	vector <int> ans;
	bool tr = 0;
	int last = 0;
	for(long long i = 60; i >= 0; i--) {
		if(k & (1LL<<i)) {
			if(!tr) {
				tr = 1;
				for(int j = 0; j < i; j++) {
					v.push_back(j);
				}
				last = i;
			}
			else {
				v.push_front(last);
				for(int j = 0; j < i; j++) {
					swap(v[j], v[j + 1]);
				}
				last++;
			}
		}
	}
	for(auto i : v) {
		ans.push_back(i);
	}
	return ans;
}
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