제출 #745116

#제출 시각아이디문제언어결과실행 시간메모리
745116Desh03순열 (APIO22_perm)C++17
0 / 100
1 ms212 KiB
#include <bits/stdc++.h> using namespace std; vector<int> construct_permutation(long long k) { int lg = 0; while ((1LL << (lg + 1)) <= k) ++lg; vector<int> ans(lg, -1), ret; for (int i = lg - 1; i >= 0; --i) if (k >> i & 1) ans[i] = lg++; for (int i = 0; i < lg; i++) if (ans[i] ^ -1) ret.push_back(ans[i]); else ret.push_back(i); return ret; }
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