제출 #684137

#제출 시각아이디문제언어결과실행 시간메모리
684137irmuun순열 (APIO22_perm)C++17
100 / 100
3 ms340 KiB
#include<bits/stdc++.h> #include "perm.h" using namespace std; #define ll long long #define pb push_back #define all(s) s.begin(),s.end() vector<int> go(ll k){ if(k==1){ return {}; } if(k==2){ return {0}; } for(auto i:{2,3,5,7,11,13,17,19,23,29}){ if(k%i==0&&k>i){ vector<int>l=go(k/i); vector<int>r=go(i); for(auto& x:r){ x+=l.size(); } l.insert(l.end(),all(r)); return l; } } vector<int>a=go(k/2); a.pb(a.size()); if(k%2==1){ a.insert(a.begin(),a.size()); } return a; } vector<int> construct_permutation(ll k){ return go(k); }
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