結果
問題 | No.1741 Arrays and XOR Procedure |
ユーザー | srtubaki |
提出日時 | 2021-11-12 23:38:55 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 18 ms / 2,000 ms |
コード長 | 5,440 bytes |
コンパイル時間 | 1,920 ms |
コンパイル使用メモリ | 206,572 KB |
実行使用メモリ | 7,936 KB |
最終ジャッジ日時 | 2024-11-25 22:04:47 |
合計ジャッジ時間 | 3,486 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 17 ms
7,936 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 14 ms
7,808 KB |
testcase_06 | AC | 17 ms
7,936 KB |
testcase_07 | AC | 18 ms
7,808 KB |
testcase_08 | AC | 15 ms
7,936 KB |
testcase_09 | AC | 15 ms
7,296 KB |
testcase_10 | AC | 16 ms
7,424 KB |
testcase_11 | AC | 12 ms
6,400 KB |
testcase_12 | AC | 11 ms
5,760 KB |
testcase_13 | AC | 15 ms
7,168 KB |
testcase_14 | AC | 12 ms
6,016 KB |
testcase_15 | AC | 15 ms
7,040 KB |
testcase_16 | AC | 3 ms
5,248 KB |
testcase_17 | AC | 6 ms
5,248 KB |
testcase_18 | AC | 12 ms
6,272 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 17 ms
7,808 KB |
testcase_21 | AC | 16 ms
6,784 KB |
testcase_22 | AC | 13 ms
6,400 KB |
testcase_23 | AC | 7 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 17 ms
7,808 KB |
testcase_26 | AC | 8 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 13 ms
6,528 KB |
testcase_29 | AC | 15 ms
7,040 KB |
testcase_30 | AC | 13 ms
6,528 KB |
testcase_31 | AC | 3 ms
5,248 KB |
testcase_32 | AC | 8 ms
5,248 KB |
testcase_33 | AC | 10 ms
5,760 KB |
testcase_34 | AC | 5 ms
5,248 KB |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 8 ms
5,248 KB |
testcase_38 | AC | 17 ms
7,552 KB |
testcase_39 | AC | 9 ms
5,248 KB |
testcase_40 | AC | 1 ms
5,248 KB |
testcase_41 | AC | 5 ms
5,248 KB |
testcase_42 | AC | 3 ms
5,248 KB |
testcase_43 | AC | 2 ms
5,248 KB |
ソースコード
#pragma region template #include <bits/stdc++.h> using namespace std; // clang-format off #include <atcoder/modint.hpp> using namespace atcoder; using mint = static_modint<998244353>; using vm = vector<mint>; using vvm = vector<vm>; ostream& operator<<(ostream& os, const mint& v){ os << v.val(); return os; } using ll = long long; using vl = vector<ll>; using vvl = vector<vl>; using ld = long double; using vld = vector<ld>; using vvld = vector<vld>; using pll = pair<ll, ll>; using vpll = vector<pll>; using vvpll = vector<vpll>; template <class T> using V = vector<T>; template <class T> using VV = vector<V<T>>; template <class T> using VVV = vector<VV<T>>; using vb = vector<bool>; using vs = vector<string>; using mll = map<ll, ll>; using msl = map<string, ll>; template<class T> using heap = priority_queue<T>; template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>; constexpr ll inf = 3001001000100100100LL; constexpr int inf_int = 1000000009; #define endl '\n' #define _overload(_1, _2, _3, name, ...) name #define rep(...) _overload(__VA_ARGS__, _rep, _rep2,)(__VA_ARGS__) #define repc(...) _overload(__VA_ARGS__, _repc, _repc2,)(__VA_ARGS__) #define repr(...) _overload(__VA_ARGS__, _repr, _repr2,)(__VA_ARGS__) #define reprc(...) _overload(__VA_ARGS__, _reprc, _reprc2,)(__VA_ARGS__) #define _rep(i,k,n) for(ll i=(k) , i##_xxxx=(n); i < i##_xxxx; ++i) #define _repc(i,k,n) for(ll i=(k) , i##_xxxx=(n); i <=i##_xxxx; ++i) #define _repr(i,k,n) for(ll i=(n)-1, i##_xxxx=(k); i >=i##_xxxx; --i) #define _reprc(i,k,n) for(ll i=(n) , i##_xxxx=(k); i >=i##_xxxx; --i) #define _rep2(i,n) _rep(i,0,n) #define _repc2(i,n) _repc(i,1,n) #define _repr2(i,n) _repr(i,0,n) #define _reprc2(i,n) _reprc(i,1,n) #define rall(o) rbegin(o), rend(o) #define all(o) begin(o), end(o) template <class C> ll sz(const C& c) { return static_cast<ll>(c.size()); } template <class T> bool chmax(T& m, const T& v){ if (m < v){ m = v; return true; } return false; } template <class T> bool chmin(T& m, const T& v){ if (v < m){ m = v; return true; } return false; } template <class T> T udiv(const T& a, const T& b){ return (a + b - 1) / b; } template <class T> T rdiv(const T& a, const T& b){ return (a + b / 2) / b; } template <class T, class S> string join(const T& v, const S& sep ){ stringstream ss; bool f = false; for (const auto& e : v){ if (f) ss << sep; f = true; ss << e;} return ss.str(); } template <class T, class S, class... U> string join(const T& v, const S& sep, const U& ...args){ stringstream ss; bool f = false; for (const auto& c : v){ if (f) ss << sep; f = true; ss << join(c, args...); } return ss.str(); } template <class T> ostream& operator<<(ostream& os, const vector<T>& seq){ os << '[' << join(seq, ",") << ']'; return os; } template <class T> ostream& operator<<(ostream& os, const vector<vector<T>>& seq){ os << '[' << join(seq, ",\n ") << ']'; return os; } template <class T> ostream& operator<<(ostream& os, const deque<T>& seq){ os << '[' << join(seq, ",") << ']'; return os; } template <class T> ostream& operator<<(ostream& os, const set<T>& seq){ os << '{' << join(seq, ",") << '}'; return os; } template <class T , class TH> ostream& operator<<(ostream& os, const unordered_set<T, TH>& seq){ os << '{' << join(seq, ",") << '}'; return os; } template <class TK, class TV> ostream& operator<<(ostream& os, const map<TK, TV>& seq){ os << '{'; bool f = false; for (const auto& e : seq){ if (f) os << ','; f = true; os << e.first << ":" << e.second; } os << '}'; return os; } template <class T1, class T2> ostream& operator<<(ostream& os, const pair<T1, T2>& pa){ os << '(' << pa.first << ',' << pa.second << ')'; return os; } #if LOCAL #define debug(...) _debug(__VA_ARGS__, __LINE__) #else #define debug(...) #endif void print() { std::cout << '\n'; } template <class S> void print(const S& a){ std::cout << a << '\n'; } template <class S> void _debug(const S& a){ std::cerr << "(L:" << std::setw(3) << a << ")\n"; } template <class S, class... T> void print(const S& a, const T&... args){ std::cout << a << ' '; print(args...); } template <class S, class... T> void _debug(const S& a, const T&... args){ std::cerr << a << ' '; _debug(args...); } struct setup_main { setup_main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); std::cout << fixed << setprecision(15); } } setup_main_; // clang-format on #pragma endregion ll cnt(ll n) { // if (n == 0) return 0; ll ret = 0; while (n % 2 == 0) { ret++; n /= 2; } return ret; } void solve(ll N, vector<ll>& B) { vl c(N, 0); rep(i, N - 1) { // debug(N, i, N - 1 - i, i + 1); c[i + 1] = c[i] + cnt(N - 1 - i) - cnt(i + 1); } vl f(N); rep(i, N) f[i] = (c[i] == 0 ? 1 : 0); ll free = 0, k = 0, r = 0; rep(i, N) { if (B[i] == 1 and f[i] == 1) r++; if (B[i] == -1 and f[i] == 0) free++; if (B[i] == -1 and f[i] == 1) k++; } r %= 2; mint S = 0, C = 1; rep(i, k + 1) { if (i % 2 != r) S += C; // C_i → C_i+1 C = C * (k - i) / (i + 1); } print(S * mint(2).pow(free)); } int main() { int N; cin >> N; vector<ll> B(N); rep(i, N) { cin >> B[i]; } solve(N, B); }