제출 #586354

#제출 시각아이디문제언어결과실행 시간메모리
586354jamezzzPermutation (APIO22_perm)C++17
10 / 100
1 ms340 KiB
#include "perm.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; vector<int> construct_permutation(ll k){ int msb=0; for(int i=0;i<60;++i){ if((1ll<<i)>k)break; msb=i; } int cur=0; deque<int> dq; for(int i=msb-1;i>=0;--i){ dq.push_front(cur++); if((k&(1<<i))!=0)dq.push_back(cur++); } vector<int> ans; for(int i:dq)ans.push_back(cur-i-1); return ans; }
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