제출 #584200

#제출 시각아이디문제언어결과실행 시간메모리
584200jairRS순열 (APIO22_perm)C++17
91.33 / 100
2 ms340 KiB
#include "perm.h" using namespace std; std::vector<int> construct_permutation(long long k) { long long cur = 1, power2 = 1; vector<int> res; int exp = 0; while (cur + power2 <= k) { cur += power2; res.push_back(res.size()); power2 *= 2; exp++; } while (cur < k) { while (cur + power2 > k) { power2 /= 2; exp--; } cur += power2; res.insert(res.begin() + exp, res.size()); } return res; }
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