제출 #912429

#제출 시각아이디문제언어결과실행 시간메모리
912429XXBabaProBerkay순열 (APIO22_perm)C++17
91.33 / 100
1 ms348 KiB
#include <bits/stdc++.h> using namespace std; #define F first #define S second using ll = long long; const int INF = 1e9 + 7; const int MOD = 998244353; vector<int> construct_permutation(ll k) { vector<int> ans; int a = 0, b = -1; bool o = 0; for (int i = 63; i >= 0; i--) { if ((k & (1ll << i)) && !o) { o = 1; continue; } if (!o) continue; ans.push_back(a); a++; if (k & (1ll << i)) { ans.push_back(b); b--; } } for (int &i : ans) i += -b - 1; return ans; }
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