結果
問題 | No.1189 Sum is XOR |
ユーザー | stoq |
提出日時 | 2020-12-14 13:22:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 867 ms / 2,000 ms |
コード長 | 3,230 bytes |
コンパイル時間 | 2,149 ms |
コンパイル使用メモリ | 211,560 KB |
実行使用メモリ | 20,992 KB |
最終ジャッジ日時 | 2024-09-20 00:41:03 |
合計ジャッジ時間 | 17,392 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 861 ms
20,864 KB |
testcase_01 | AC | 838 ms
20,864 KB |
testcase_02 | AC | 867 ms
20,864 KB |
testcase_03 | AC | 9 ms
5,376 KB |
testcase_04 | AC | 7 ms
5,376 KB |
testcase_05 | AC | 12 ms
5,376 KB |
testcase_06 | AC | 17 ms
5,376 KB |
testcase_07 | AC | 10 ms
5,376 KB |
testcase_08 | AC | 5 ms
5,376 KB |
testcase_09 | AC | 5 ms
5,376 KB |
testcase_10 | AC | 5 ms
5,376 KB |
testcase_11 | AC | 848 ms
20,864 KB |
testcase_12 | AC | 836 ms
20,864 KB |
testcase_13 | AC | 858 ms
20,736 KB |
testcase_14 | AC | 843 ms
20,864 KB |
testcase_15 | AC | 841 ms
20,864 KB |
testcase_16 | AC | 845 ms
20,736 KB |
testcase_17 | AC | 848 ms
20,864 KB |
testcase_18 | AC | 827 ms
20,736 KB |
testcase_19 | AC | 864 ms
20,864 KB |
testcase_20 | AC | 855 ms
20,864 KB |
testcase_21 | AC | 846 ms
20,864 KB |
testcase_22 | AC | 839 ms
20,992 KB |
ソースコード
#define MOD_TYPE 2 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename Q_type> using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr double PI = acos(-1.0); constexpr double EPS = 1e-7; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion void solve() { int n, k; cin >> n >> k; int table[1024] = {}; rep(i, n) { int a; cin >> a; table[a]++; } if (k > 1024) { cout << 0 << "\n"; return; } vector dp(1024, vector<ll>(1, 0)); dp[0][0] = 1; rep(i, 1024) { vector nxt(1024, vector<ll>(i + 2, 0)); rep(msk, 1024) { rep(j, i + 1) { nxt[msk][j] += dp[msk][j]; if (nxt[msk][j] >= MOD) nxt[msk][j] -= MOD; } if ((msk & i) != 0) continue; rep(j, i + 1) { nxt[msk | i][j + 1] = (nxt[msk | i][j + 1] + dp[msk][j] * table[i]) % MOD; } } dp = move(nxt); } ll ans = 0; rep(i, 1024) { ans += dp[i][k]; if (ans >= MOD) ans -= MOD; } cout << ans << "\n"; } int main() { solve(); }