제출 #1060918

#제출 시각아이디문제언어결과실행 시간메모리
1060918stdfloat순열 (APIO22_perm)C++17
10 / 100
228 ms262144 KiB
#include <bits/stdc++.h> #include "perm.h" using namespace std; using ll = long long; vector<int> construct_permutation(ll k) { k--; int sm = -1; vector<int> v; while (k) { int x = __lg(k + 1); sm += x; v.push_back(x); k -= (1 << x) - 1; } vector<int> ans; for (int i = 0; i < (int)v.size(); i++) { for (int j = sm - v[i] + 1; j <= sm; j++) { ans.push_back(j); } sm -= v[i]; } return ans; }
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