結果
問題 | No.2742 Car Flow |
ユーザー | MMRZ |
提出日時 | 2024-04-21 06:46:37 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 19 ms / 2,000 ms |
コード長 | 4,018 bytes |
コンパイル時間 | 3,741 ms |
コンパイル使用メモリ | 249,036 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-13 05:29:51 |
合計ジャッジ時間 | 5,811 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 | 19 ms
6,816 KB |
testcase_01 | AC | 19 ms
6,820 KB |
testcase_02 | AC | 19 ms
6,816 KB |
testcase_03 | AC | 19 ms
6,816 KB |
testcase_04 | AC | 19 ms
6,820 KB |
testcase_05 | AC | 19 ms
6,816 KB |
testcase_06 | AC | 19 ms
6,820 KB |
testcase_07 | AC | 19 ms
6,820 KB |
testcase_08 | AC | 19 ms
6,820 KB |
testcase_09 | AC | 19 ms
6,820 KB |
testcase_10 | AC | 13 ms
6,820 KB |
testcase_11 | AC | 15 ms
6,816 KB |
testcase_12 | AC | 12 ms
6,816 KB |
testcase_13 | AC | 10 ms
6,816 KB |
testcase_14 | AC | 9 ms
6,816 KB |
testcase_15 | AC | 3 ms
6,816 KB |
testcase_16 | AC | 18 ms
6,816 KB |
testcase_17 | AC | 18 ms
6,816 KB |
testcase_18 | AC | 3 ms
6,816 KB |
testcase_19 | AC | 18 ms
6,816 KB |
testcase_20 | AC | 7 ms
6,816 KB |
testcase_21 | AC | 6 ms
6,816 KB |
testcase_22 | AC | 15 ms
6,816 KB |
testcase_23 | AC | 18 ms
6,820 KB |
testcase_24 | AC | 10 ms
6,820 KB |
testcase_25 | AC | 16 ms
6,816 KB |
testcase_26 | AC | 19 ms
6,816 KB |
testcase_27 | AC | 7 ms
6,820 KB |
testcase_28 | AC | 8 ms
6,816 KB |
testcase_29 | AC | 3 ms
6,820 KB |
testcase_30 | AC | 16 ms
6,816 KB |
testcase_31 | AC | 6 ms
6,816 KB |
testcase_32 | AC | 17 ms
6,816 KB |
testcase_33 | AC | 15 ms
6,820 KB |
testcase_34 | AC | 9 ms
6,820 KB |
testcase_35 | AC | 6 ms
6,816 KB |
testcase_36 | AC | 2 ms
6,820 KB |
testcase_37 | AC | 7 ms
6,816 KB |
testcase_38 | AC | 15 ms
6,820 KB |
testcase_39 | AC | 4 ms
6,816 KB |
testcase_40 | AC | 2 ms
6,820 KB |
testcase_41 | AC | 2 ms
6,816 KB |
testcase_42 | AC | 2 ms
6,816 KB |
testcase_43 | AC | 2 ms
6,816 KB |
testcase_44 | AC | 2 ms
6,816 KB |
testcase_45 | AC | 2 ms
6,820 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 2 ms
6,816 KB |
testcase_48 | AC | 2 ms
6,816 KB |
testcase_49 | AC | 2 ms
6,820 KB |
testcase_50 | AC | 2 ms
6,816 KB |
ソースコード
# include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; const double pi = acos(-1); template<class T>constexpr T inf() { return ::std::numeric_limits<T>::max(); } template<class T>constexpr T hinf() { return inf<T>() / 2; } template <typename T_char>T_char TL(T_char cX) { return tolower(cX); } template <typename T_char>T_char TU(T_char cX) { return toupper(cX); } template<class T> bool chmin(T& a,T b) { if(a > b){a = b; return true;} return false; } template<class T> bool chmax(T& a,T b) { if(a < b){a = b; return true;} return false; } template<class T> bool is_sqare(T a) { if(floor(sqrt(a)) * floor(sqrt(a)) == a){ return true; }return false; } int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; } int d_sum(ll n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; } int d_cnt(ll n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; } ll gcd(ll a, ll b) { if (b == 0)return a; return gcd(b, a%b); }; ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g*b; }; template<class T> using dijk = priority_queue<T, vector<T>, greater<T>>; # define all(qpqpq) (qpqpq).begin(),(qpqpq).end() # define UNIQUE(wpwpw) (wpwpw).erase(unique(all((wpwpw))),(wpwpw).end()) # define LOWER(epepe) transform(all((epepe)),(epepe).begin(),TL<char>) # define UPPER(rprpr) transform(all((rprpr)),(rprpr).begin(),TU<char>) # define rep(i,upupu) for(ll i = 0, i##_len = (upupu);(i) < (i##_len);(i)++) # define reps(i,opopo) for(ll i = 1, i##_len = (opopo);(i) <= (i##_len);(i)++) # define len(x) ((ll)(x).size()) # define bit(n) (1LL << (n)) # define pb push_back # define exists(c, e) ((c).find(e) != (c).end()) #ifdef LOCAL # include "_debug_print.hpp" # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif struct INIT{ INIT(){ std::ios::sync_with_stdio(false); std::cin.tie(0); cout << fixed << setprecision(20); } }INIT; template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr modint operator+(const modint rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } friend std::ostream& operator<<(std::ostream& os, const modint& rhs) { os << rhs.a; return os; } }; using mint = modint<998244353>; void solve(){ int n; cin >> n; vector<int> a(n); for(auto &x : a)cin >> x; int cnt0 = 0, cnt1 = 0; rep(i, n)(a[i] == 0 ? cnt0 : cnt1)++; vector<int> b(n, -1); if(cnt0 > cnt1){ rep(i, cnt1){ b[i*2] = 1; } rep(i, n){ if(b[i] == -1)b[i] = 0; } }else{ rep(i, cnt0){ b[i*2] = 0; } rep(i, n){ if(b[i] == -1)b[i] = 1; } } mint ans = 0; rep(i, n){ ans += b[i]*(1-b[(i+1)%n]); } ans /= n; cout << ans << endl; } int main(){ int t = 1; //cin >> t; while(t--)solve(); }