結果
問題 | No.1753 Don't cheat. |
ユーザー | heno239 |
提出日時 | 2021-11-19 22:31:52 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 682 ms / 3,000 ms |
コード長 | 4,736 bytes |
コンパイル時間 | 2,253 ms |
コンパイル使用メモリ | 157,668 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-10 09:43:15 |
合計ジャッジ時間 | 17,979 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 632 ms
6,940 KB |
testcase_08 | AC | 632 ms
6,948 KB |
testcase_09 | AC | 624 ms
6,940 KB |
testcase_10 | AC | 628 ms
6,940 KB |
testcase_11 | AC | 629 ms
6,940 KB |
testcase_12 | AC | 631 ms
6,944 KB |
testcase_13 | AC | 630 ms
6,944 KB |
testcase_14 | AC | 628 ms
6,944 KB |
testcase_15 | AC | 631 ms
6,944 KB |
testcase_16 | AC | 627 ms
6,944 KB |
testcase_17 | AC | 592 ms
6,940 KB |
testcase_18 | AC | 594 ms
6,944 KB |
testcase_19 | AC | 664 ms
6,940 KB |
testcase_20 | AC | 615 ms
6,940 KB |
testcase_21 | AC | 574 ms
6,944 KB |
testcase_22 | AC | 605 ms
6,940 KB |
testcase_23 | AC | 62 ms
6,944 KB |
testcase_24 | AC | 681 ms
6,940 KB |
testcase_25 | AC | 63 ms
6,944 KB |
testcase_26 | AC | 682 ms
6,944 KB |
testcase_27 | AC | 632 ms
6,944 KB |
testcase_28 | AC | 636 ms
6,940 KB |
testcase_29 | AC | 635 ms
6,940 KB |
testcase_30 | AC | 641 ms
6,940 KB |
testcase_31 | AC | 631 ms
6,940 KB |
ソースコード
#pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<unordered_set> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> #include<chrono> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; const ll mod = 998244353; const ll INF = mod * mod; typedef pair<int, int>P; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-4; const ld pi = acosl(-1.0); template<typename T> void chmin(T& a, T b) { a = min(a, b); } template<typename T> void chmax(T& a, T b) { a = max(a, b); } ll mod_pow(ll x, ll n, ll m = mod) { if (n < 0) { ll res = mod_pow(x, -n, m); return mod_pow(res, m - 2, m); } if (abs(x) >= m)x %= m; if (x < 0)x += m; ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } modint operator/=(modint& a, modint b) { a = a / b; return a; } const int max_n = 1 << 10; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } modint combP(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[a - b]; } int dx[4] = { 1,0,-1,0 }; int dy[4] = { 0,1,0,-1 }; typedef vector<vector<modint>> mat; typedef vector<modint> vec; mat mtmul(mat& A, mat& B) { mat C(A.size(), vec(B[0].size())); rep(i, (int)A.size()) { rep(k, (int)B.size()) { rep(j, (int)B[0].size()) { C[i][j] += A[i][k] * B[k][j]; } } } return C; } mat mtpow(mat A, ll n) { mat B(A.size(), vec(A.size())); rep(i, (int)A.size()) { B[i][i] = 1; } while (n > 0) { if (n & (ll)1)B = mtmul(B, A); A = mtmul(A, A); n >>= 1; } return B; } template <typename T> void fwt(vector<T>& f) { int n = f.size(); for (int i = 1; i < n; i <<= 1) { for (int j = 0; j < n; j++) { if ((j & i) == 0) { T x = f[j], y = f[j | i]; f[j] = x + y, f[j | i] = x - y; } } } } template <typename T> void ifwt(vector<T>& f) { int n = f.size(); for (int i = 1; i < n; i <<= 1) { for (int j = 0; j < n; j++) { if ((j & i) == 0) { T x = f[j], y = f[j | i]; f[j] = (x + y) / (modint)2, f[j | i] = (x - y) / (modint)2; } } } } void solve() { int n; cin >> n; int sz = 1; while (sz <= n)sz *= 2; vector<int> a(n+1); rep(i, n+1)cin >> a[i]; int sum = 0; rep(i, n + 1)sum += a[i]; vector<modint> p(sz); rep(i, n + 1) { p[i] = (modint)a[i] / (modint)sum; } modint ans = 0; for (int las = 1; las < sz; las++) { vector<modint> pp = p; pp[0] = pp[las] = 0; fwt(pp); vector<modint> x(sz); rep(i, sz) { x[i] = (modint)-1 / (pp[i] - (modint)1); } ifwt(x); ans += x[las] * p[0]; } cout << ans << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init_f(); //init(); //int t; cin >> t; rep(i, t) solve(); return 0; }