結果
問題 | No.1710 Minimum OR is X |
ユーザー | keijak |
提出日時 | 2021-10-16 02:09:13 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 4,331 bytes |
コンパイル時間 | 2,513 ms |
コンパイル使用メモリ | 213,244 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-17 19:15:50 |
合計ジャッジ時間 | 3,368 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 4 ms
6,940 KB |
testcase_19 | AC | 3 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 4 ms
6,940 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define REP_(i, a_, b_, a, b, ...) \ for (int i = (a), END_##i = (b); i < END_##i; ++i) #define REP(i, ...) REP_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define ALL(x) std::begin(x), std::end(x) using i64 = long long; #include <atcoder/modint> using Mint = atcoder::modint998244353; std::ostream &operator<<(std::ostream &os, const Mint &m) { return os << m.val(); } template<typename T, typename U> inline bool chmax(T &a, U b) { return a < b and ((a = std::move(b)), true); } template<typename T, typename U> inline bool chmin(T &a, U b) { return a > b and ((a = std::move(b)), true); } template<typename T> inline int ssize(const T &a) { return (int) a.size(); } template<class T> inline std::ostream &print_one(const T &x, char endc) { if constexpr (std::is_same_v<T, bool>) { return std::cout << (x ? "Yes" : "No") << endc; } else { return std::cout << x << endc; } } template<class T> inline std::ostream &print(const T &x) { return print_one(x, '\n'); } template<typename T, typename... Ts> std::ostream &print(const T &head, Ts... tail) { return print_one(head, ' '), print(tail...); } inline std::ostream &print() { return std::cout << '\n'; } template<typename Container> std::ostream &print_seq(const Container &a, std::string_view sep = " ", std::string_view ends = "\n", std::ostream &os = std::cout) { auto b = std::begin(a), e = std::end(a); for (auto it = std::begin(a); it != e; ++it) { if (it != b) os << sep; os << *it; } return os << ends; } template<typename T, typename = void> struct is_iterable : std::false_type {}; template<typename T> struct is_iterable<T, std::void_t<decltype(std::begin(std::declval<T>())), decltype(std::end(std::declval<T>()))>> : std::true_type { }; template<typename T, typename = std::enable_if_t< is_iterable<T>::value && !std::is_same<T, std::string>::value>> std::ostream &operator<<(std::ostream &os, const T &a) { return print_seq(a, ", ", "", (os << "{")) << "}"; } struct VersatileInput { template<typename T> operator T() const { T x; std::cin >> x; return x; } struct Sized { std::size_t n; template<typename T> operator T() const { T x(n); for (auto &e: x) std::cin >> e; return x; } }; Sized operator()(std::size_t n) const { return {n}; } } const in; inline void check(bool cond, const char *message = "!ERROR!") { if (not cond) throw std::runtime_error(message); } #ifdef MY_DEBUG #include "debug_dump.hpp" #else #define DUMP(...) #define cerr if(false)std::cerr #endif using namespace std; template<typename T> std::vector<T> pow_seq(int n, int base = 2) { std::vector<T> p(n + 1); p[0] = 1; for (int i = 0; i < n; ++i) { p[i + 1] = p[i] * base; } return p; } template<class T = Mint> std::vector<std::vector<T>> comb_table(int n) { std::vector<std::vector<T>> C(n + 1, std::vector<T>(n + 1, 0)); for (int i = 0; i <= n; ++i) { C[i][0] = C[i][i] = 1; } for (int i = 1; i <= n; ++i) { for (int j = 1; j < i; ++j) { C[i][j] = C[i - 1][j - 1] + C[i - 1][j]; } } return C; } auto solve() { const int n = in, m = in, K = in; string X = in; auto C = comb_table(n); auto dp = vector(2, vector(n + 1, Mint(0))); dp[0][n] = 1; auto pow2 = pow_seq<Mint>(n); auto ccum = vector(n + 1, Mint(0)); for (int i = K; i <= n; ++i) { Mint s = 0; for (int j = 0; j < K; ++j) { s += C[i][j]; } ccum[i] = s * pow2[n - i]; } REP(i, m) { if (X[i] == '1') { REP(j, K, n + 1) { if (dp[0][j].val() == 0 or ccum[j].val() == 0) continue; dp[1][j] += dp[0][j] * ccum[j]; } } else { REP(j, K, n + 1) { if (dp[0][j].val() == 0) continue; auto q = dp[0][j] * pow2[n - j]; for (int j2 = j; j2 >= K; --j2) { dp[1][j2] += q * C[j][j2]; } } } dp[0].swap(dp[1]); dp[1].assign(n + 1, 0); } Mint ans = 0; for (int i = K; i <= n; ++i) { ans += dp[0][i]; } return ans; } int main() { ios_base::sync_with_stdio(false), cin.tie(nullptr); cout << std::fixed << std::setprecision(18); const int T = 1;//in; REP(t, T) { auto ans = solve(); print(ans); } }