結果
問題 | No.1702 count good string |
ユーザー | commy |
提出日時 | 2021-12-08 01:49:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 101 ms / 2,000 ms |
コード長 | 3,759 bytes |
コンパイル時間 | 825 ms |
コンパイル使用メモリ | 85,700 KB |
実行使用メモリ | 62,080 KB |
最終ジャッジ日時 | 2024-07-08 05:47:09 |
合計ジャッジ時間 | 4,809 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 97 ms
61,824 KB |
testcase_14 | AC | 94 ms
61,952 KB |
testcase_15 | AC | 94 ms
61,952 KB |
testcase_16 | AC | 95 ms
61,952 KB |
testcase_17 | AC | 96 ms
61,952 KB |
testcase_18 | AC | 95 ms
61,824 KB |
testcase_19 | AC | 97 ms
61,824 KB |
testcase_20 | AC | 96 ms
61,952 KB |
testcase_21 | AC | 97 ms
61,952 KB |
testcase_22 | AC | 97 ms
61,952 KB |
testcase_23 | AC | 3 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 96 ms
61,940 KB |
testcase_34 | AC | 96 ms
62,080 KB |
testcase_35 | AC | 95 ms
61,952 KB |
testcase_36 | AC | 95 ms
61,952 KB |
testcase_37 | AC | 99 ms
61,952 KB |
testcase_38 | AC | 98 ms
61,952 KB |
testcase_39 | AC | 99 ms
61,824 KB |
testcase_40 | AC | 95 ms
61,952 KB |
testcase_41 | AC | 96 ms
61,952 KB |
testcase_42 | AC | 96 ms
61,952 KB |
testcase_43 | AC | 97 ms
61,952 KB |
testcase_44 | AC | 101 ms
62,080 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 1 ms
5,376 KB |
testcase_47 | AC | 2 ms
5,376 KB |
testcase_48 | AC | 1 ms
5,376 KB |
testcase_49 | AC | 2 ms
5,376 KB |
ソースコード
#include <algorithm> #include <iostream> #include <numeric> #include <string> #include <tuple> #include <utility> #include <vector> #define rep(i, a, b) for (int i = int(a); i < int(b); i++) using namespace std; using ll = long long int; using P = pair<ll, ll>; // clang-format off #ifdef _DEBUG_ #define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; debug_print(__VA_ARGS__); } while(false) template<typename T, typename... Ts> void debug_print(const T &t, const Ts &...ts) { cerr << t; ((cerr << ", " << ts), ...); cerr << endl; } #else #define dump(...) do{ } while(false) #endif template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); } template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); } template<typename T> bool chmin(T &a, const T& b) { if (a > b) {a = b; return true; } return false; } template<typename T> bool chmax(T &a, const T& b) { if (a < b) {a = b; return true; } return false; } template<typename T, typename... Ts> void print(const T& t, const Ts&... ts) { cout << t; ((cout << ' ' << ts), ...); cout << '\n'; } template<typename... Ts> void input(Ts&... ts) { (cin >> ... >> ts); } template<typename T> istream &operator,(istream &in, T &t) { return in >> t; } // clang-format on template<ll MOD = 1000000007> class ModInt { ll n; ModInt constexpr inverse() const { return ModInt::pow(*this, MOD - 2); } public: ModInt() : n(0) {} ModInt(ll _n) : n(((_n % MOD) + MOD) % MOD) {} ModInt operator+=(const ModInt &m) { n += m.n; if (n >= MOD) n -= MOD; return *this; } ModInt operator-=(const ModInt &m) { n -= m.n; if (n < 0) n += MOD; return *this; } ModInt operator*=(const ModInt &m) { n *= m.n; if (n >= MOD) n %= MOD; return *this; } ModInt operator/=(const ModInt &m) { (*this) *= m.inverse(); return *this; } friend ModInt operator+(ModInt t, const ModInt &m) { return t += m; } friend ModInt operator-(ModInt t, const ModInt &m) { return t -= m; } friend ModInt operator*(ModInt t, const ModInt &m) { return t *= m; } friend ModInt operator/(ModInt t, const ModInt &m) { return t /= m; } ModInt operator=(const ll l) { n = l % MOD; if (n < 0) n += MOD; return *this; } friend ostream &operator<<(ostream &out, const ModInt &m) { out << m.n; return out; } friend istream &operator>>(istream &in, ModInt &m) { ll l; in >> l; m = l; return in; } static constexpr ModInt pow(const ModInt x, ll p) { ModInt<MOD> ans = 1; for (ModInt<MOD> m = x; p > 0; p /= 2, m *= m) { if (p % 2) ans *= m; } return ans; } static constexpr ll mod() { return MOD; } }; using mint = ModInt<>; mint operator"" _m(unsigned long long m) { return mint(m); } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; string s; cin, n, s; const string t = "yukicoder"; const int m = t.size(); auto dp = make_v(n + 1, m + 1, 2, 0_m); dp[0][0][0] = 1; rep(i, 0, n) { rep(j, 0, m + 1) { rep(k, 0, 2) { dp[i + 1][j][k] += dp[i][j][k]; } if (j < m && s[i] == t[j]) { rep(k, 0, 2) { dp[i + 1][j + 1][k] += dp[i][j][k]; } } if (j < m && s[i] == '?') { dp[i + 1][j + 1][1] += dp[i][j][0]; } } } print(dp[n][m][0] + dp[n][m][1]); return 0; }