제출 #579794

#제출 시각아이디문제언어결과실행 시간메모리
579794peuch순열 (APIO22_perm)C++17
91.33 / 100
2 ms340 KiB
#include "perm.h" #include<bits/stdc++.h> using namespace std; std::vector<int> construct_permutation(long long k) { deque<int> dq; stack<bool> op; while(k > 1){ if(k % 2 == 0){ op.push(0); k /= 2; } else{ op.push(1); k--; } } int cur = 0; while(!op.empty()){ int val = op.top(); op.pop(); if(val == 0) dq.push_back(cur++); else dq.push_front(cur++); } vector<int> ret; while(!dq.empty()){ ret.push_back(dq.front()); dq.pop_front(); } return ret; }
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