結果
問題 | No.1189 Sum is XOR |
ユーザー | firiexp |
提出日時 | 2020-08-22 15:11:06 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 47 ms / 2,000 ms |
コード長 | 2,793 bytes |
コンパイル時間 | 1,060 ms |
コンパイル使用メモリ | 107,360 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-15 09:28:30 |
合計ジャッジ時間 | 2,355 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 47 ms
6,820 KB |
testcase_01 | AC | 46 ms
6,816 KB |
testcase_02 | AC | 47 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 13 ms
6,820 KB |
testcase_12 | AC | 45 ms
6,820 KB |
testcase_13 | AC | 39 ms
6,820 KB |
testcase_14 | AC | 26 ms
6,816 KB |
testcase_15 | AC | 13 ms
6,816 KB |
testcase_16 | AC | 9 ms
6,816 KB |
testcase_17 | AC | 12 ms
6,820 KB |
testcase_18 | AC | 19 ms
6,820 KB |
testcase_19 | AC | 34 ms
6,816 KB |
testcase_20 | AC | 35 ms
6,816 KB |
testcase_21 | AC | 5 ms
6,820 KB |
testcase_22 | AC | 5 ms
6,820 KB |
ソースコード
#include <iostream> #include <algorithm> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> #include <cmath> static const int MOD = 998244353; using ll = long long; using u32 = unsigned; using u64 = unsigned long long; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; template <class T, class U> vector<T> make_v(U size, const T& init){ return vector<T>(static_cast<size_t>(size), init); } template<class... Ts, class U> auto make_v(U size, Ts... rest) { return vector<decltype(make_v(rest...))>(static_cast<size_t>(size), make_v(rest...)); } template<class T> void chmin(T &a, const T &b){ a = (a < b ? a : b); } template<class T> void chmax(T &a, const T &b){ a = (a > b ? a : b); } template<u32 M = 1000000007> struct modint{ u32 val; modint(): val(0){} template<typename T> modint(T t){t %= (T)M; if(t < 0) t += (T)M; val = t;} modint pow(ll k) const { modint res(1), x(val); while(k){ if(k&1) res *= x; x *= x; k >>= 1; } return res; } template<typename T> modint& operator=(T t){t %= (T)M; if(t < 0) t += (T)M; val = t; return *this;} modint inv() const {return pow(M-2);} modint& operator+=(modint a){val += a.val; if(val >= M) val -= M; return *this;} modint& operator-=(modint a){if(val < a.val) val += M-a.val; else val -= a.val; return *this;} modint& operator*=(modint a){val = (u64)val*a.val%M; return *this;} modint& operator/=(modint a){return (*this) *= a.inv();} modint operator+(modint a) const {return modint(val) +=a;} modint operator-(modint a) const {return modint(val) -=a;} modint operator*(modint a) const {return modint(val) *=a;} modint operator/(modint a) const {return modint(val) /=a;} modint operator-(){return modint(M-val);} bool operator==(const modint a) const {return val == a.val;} bool operator!=(const modint a) const {return val != a.val;} bool operator<(const modint a) const {return val < a.val;} }; using mint = modint<MOD>; int main() { int n, k; cin >> n >> k; if(k > 10){ puts("0"); return 0; } vector<mint> cnt(1 << 10); auto dp = make_v(1 << 10, 11, mint(0)); dp[0][0] = 1; for (int i = 0; i < n; ++i) { int x; cin >> x; cnt[x] += 1; } for (int S = 0; S < (1 << 10); ++S) { for (int T = 0; T < (1 << 10); ++T) { if(S & T) continue; for (int i = 0; i < 10; ++i) { dp[S|T][i+1] += dp[T][i]*cnt[S]; } } } mint ans = 0; for (int i = 0; i < (1 << 10); ++i) { ans += dp[i][k]; } cout << ans.val << "\n"; return 0; }