제출 #969578

#제출 시각아이디문제언어결과실행 시간메모리
969578dubabuba순열 (APIO22_perm)C++17
91.33 / 100
2 ms500 KiB
#include <bits/stdc++.h> #include "perm.h" using namespace std; typedef long long i64; typedef vector<int> vi; const int mxLOG = 62; vi construct_permutation(i64 K) { i64 k = K - 1; vi st, en; int n = 0; while(k) { if(k % 2 == 1) { st.push_back(n); k /= 2; } else { en.push_back(n); k--; } n--; } for(int &a : st) a = abs(a); for(int &b : en) b = abs(b); // cout << " st = "; for(int a : st) cout << a << ' '; cout << endl; // cout << " en = "; for(int a : en) cout << a << ' '; cout << endl; while(en.size()) { st.push_back(en.back()); en.pop_back(); } return st; }
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