結果
問題 | No.1931 Fraction 2 |
ユーザー | tokusakurai |
提出日時 | 2022-05-06 23:11:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 271 ms / 2,000 ms |
コード長 | 10,912 bytes |
コンパイル時間 | 2,390 ms |
コンパイル使用メモリ | 220,708 KB |
実行使用メモリ | 110,336 KB |
最終ジャッジ日時 | 2024-07-06 17:21:18 |
合計ジャッジ時間 | 11,864 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 109 ms
105,728 KB |
testcase_01 | AC | 109 ms
105,572 KB |
testcase_02 | AC | 111 ms
105,532 KB |
testcase_03 | AC | 113 ms
105,600 KB |
testcase_04 | AC | 112 ms
105,728 KB |
testcase_05 | AC | 112 ms
105,600 KB |
testcase_06 | AC | 111 ms
105,600 KB |
testcase_07 | AC | 109 ms
105,728 KB |
testcase_08 | AC | 110 ms
105,536 KB |
testcase_09 | AC | 111 ms
105,728 KB |
testcase_10 | AC | 110 ms
105,600 KB |
testcase_11 | AC | 112 ms
105,600 KB |
testcase_12 | AC | 109 ms
105,600 KB |
testcase_13 | AC | 143 ms
106,624 KB |
testcase_14 | AC | 219 ms
108,820 KB |
testcase_15 | AC | 161 ms
107,136 KB |
testcase_16 | AC | 119 ms
105,984 KB |
testcase_17 | AC | 122 ms
106,112 KB |
testcase_18 | AC | 259 ms
109,952 KB |
testcase_19 | AC | 263 ms
110,008 KB |
testcase_20 | AC | 254 ms
109,952 KB |
testcase_21 | AC | 259 ms
109,936 KB |
testcase_22 | AC | 258 ms
109,832 KB |
testcase_23 | AC | 254 ms
109,824 KB |
testcase_24 | AC | 253 ms
110,044 KB |
testcase_25 | AC | 263 ms
110,012 KB |
testcase_26 | AC | 264 ms
110,032 KB |
testcase_27 | AC | 253 ms
109,952 KB |
testcase_28 | AC | 260 ms
110,336 KB |
testcase_29 | AC | 262 ms
110,280 KB |
testcase_30 | AC | 270 ms
110,208 KB |
testcase_31 | AC | 259 ms
110,240 KB |
testcase_32 | AC | 260 ms
110,300 KB |
testcase_33 | AC | 264 ms
110,304 KB |
testcase_34 | AC | 271 ms
110,336 KB |
testcase_35 | AC | 261 ms
110,208 KB |
testcase_36 | AC | 262 ms
110,276 KB |
testcase_37 | AC | 258 ms
110,208 KB |
testcase_38 | AC | 109 ms
105,564 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define rep2(i, x, n) for (int i = x; i <= n; i++) #define rep3(i, x, n) for (int i = x; i >= n; i--) #define each(e, v) for (auto &e : v) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; template <typename T> bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template <typename T> bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template <typename T> int flg(T x, int i) { return (x >> i) & 1; } template <typename T> void print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template <typename T> void printn(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template <typename T> int lb(const vector<T> &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template <typename T> int ub(const vector<T> &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template <typename T> void rearrange(vector<T> &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <typename T> vector<int> id_sort(const vector<T> &v, bool greater = false) { int n = v.size(); vector<int> ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template <typename S, typename T> pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first + q.first, p.second + q.second); } template <typename S, typename T> pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first - q.first, p.second - q.second); } template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template <typename S, typename T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); } } io_setup; const int inf = (1 << 30) - 1; const ll INF = (1LL << 60) - 1; // const int MOD = 1000000007; const int MOD = 998244353; template <int mod> struct Mod_Int { int x; Mod_Int() : x(0) {} Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} static int get_mod() { return mod; } Mod_Int &operator+=(const Mod_Int &p) { if ((x += p.x) >= mod) x -= mod; return *this; } Mod_Int &operator-=(const Mod_Int &p) { if ((x += mod - p.x) >= mod) x -= mod; return *this; } Mod_Int &operator*=(const Mod_Int &p) { x = (int)(1LL * x * p.x % mod); return *this; } Mod_Int &operator/=(const Mod_Int &p) { *this *= p.inverse(); return *this; } Mod_Int &operator++() { return *this += Mod_Int(1); } Mod_Int operator++(int) { Mod_Int tmp = *this; ++*this; return tmp; } Mod_Int &operator--() { return *this -= Mod_Int(1); } Mod_Int operator--(int) { Mod_Int tmp = *this; --*this; return tmp; } Mod_Int operator-() const { return Mod_Int(-x); } Mod_Int operator+(const Mod_Int &p) const { return Mod_Int(*this) += p; } Mod_Int operator-(const Mod_Int &p) const { return Mod_Int(*this) -= p; } Mod_Int operator*(const Mod_Int &p) const { return Mod_Int(*this) *= p; } Mod_Int operator/(const Mod_Int &p) const { return Mod_Int(*this) /= p; } bool operator==(const Mod_Int &p) const { return x == p.x; } bool operator!=(const Mod_Int &p) const { return x != p.x; } Mod_Int inverse() const { assert(*this != Mod_Int(0)); return pow(mod - 2); } Mod_Int pow(long long k) const { Mod_Int now = *this, ret = 1; for (; k > 0; k >>= 1, now *= now) { if (k & 1) ret *= now; } return ret; } friend ostream &operator<<(ostream &os, const Mod_Int &p) { return os << p.x; } friend istream &operator>>(istream &is, Mod_Int &p) { long long a; is >> a; p = Mod_Int<mod>(a); return is; } }; using mint = Mod_Int<MOD>; struct Random_Number_Generator { mt19937_64 mt; Random_Number_Generator() : mt(chrono::steady_clock::now().time_since_epoch().count()) {} int64_t operator()(int64_t l, int64_t r) { // [l,r) で乱数発生 uniform_int_distribution<int64_t> dist(l, r - 1); return dist(mt); } int64_t operator()(int64_t r) { // [0,r) で乱数発生 return (*this)(0, r); } } rng; long long modpow(long long x, long long n, const int &m) { x %= m; long long ret = 1; for (; n > 0; n >>= 1, x *= x, x %= m) { if (n & 1) ret *= x, ret %= m; } return ret; } template <typename T> T modinv(T a, const T &m) { T b = m, u = 1, v = 0; while (b > 0) { T t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return u >= 0 ? u % m : (m - (-u) % m) % m; } template <typename T> T Euler_totient(T m) { // オイラーの φ 関数(x と m が互いに素ならば、x^φ(m) ≡ 1(mod m)) T ret = m; for (T i = 2; i * i <= m; i++) { if (m % i == 0) ret /= i, ret *= i - 1; while (m % i == 0) m /= i; } if (m > 1) ret /= m, ret *= m - 1; return ret; } int modlog(int x, int y, int m) { // x^k ≡ y(mod m) となる最小の非負整数 k(存在しなければ -1) long long g = 1; for (int i = m; i > 0; i >>= 1) g *= x, g %= m; g = gcd(g, m); int c = 0; long long t = 1; for (; t % g != 0; c++) { if (t == y) return c; t *= x, t %= m; } if (y % g != 0) return -1; t /= g, y /= g, m /= g; int n = 0; long long gs = 1; for (; n * n < m; n++) gs *= x, gs %= m; unordered_map<int, int> mp; long long e = y; for (int i = 0; i < n; mp[e] = ++i) e *= x, e %= m; e = t; for (int i = 0; i < n; i++) { e *= gs, e %= m; if (mp.count(e)) return c + n * (i + 1) - mp[e]; } return -1; } template <typename T> T order(T x, const T &m) { // x^k ≡ 1(mod m) となる最小の正整数 k(x と m は互いに素) T n = Euler_totient(m); vector<T> ds; for (T i = 1; i * i <= n; i++) { if (n % i == 0) ds.push_back(i), ds.push_back(n / i); } sort(begin(ds), end(ds)); for (auto &e : ds) { if (modpow(x, e, m) == 1) return e; } return -1; } template <typename T> T primitive_root(const T &m) { // 素数 m の原始根 vector<T> ds; for (T i = 1; i * i <= m - 1; i++) { if ((m - 1) % i == 0) ds.push_back(i), ds.push_back((m - 1) / i); } sort(begin(ds), end(ds)); while (true) { T r = rng(1, m); for (auto &e : ds) { if (e == m - 1) return r; if (modpow(r, e, m) == 1) break; } } } template <typename T> vector<T> divisors(const T &n) { vector<T> ret; for (T i = 1; i * i <= n; i++) { if (n % i == 0) { ret.push_back(i); if (i * i != n) ret.push_back(n / i); } } sort(begin(ret), end(ret)); return ret; } template <typename T> vector<pair<T, int>> prime_factor(T n) { vector<pair<T, int>> ret; for (T i = 2; i * i <= n; i++) { int cnt = 0; while (n % i == 0) cnt++, n /= i; if (cnt > 0) ret.emplace_back(i, cnt); } if (n > 1) ret.emplace_back(n, 1); return ret; } template <typename T> bool is_prime(const T &n) { if (n == 1) return false; for (T i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } // 1,2,...,n のうち k と互いに素である自然数の個数 template <typename T> T coprime(T n, T k) { vector<pair<T, int>> ps = prime_factor(k); int m = ps.size(); T ret = 0; for (int i = 0; i < (1 << m); i++) { T prd = 1; for (int j = 0; j < m; j++) { if ((i >> j) & 1) prd *= ps[j].first; } ret += (__builtin_parity(i) ? -1 : 1) * (n / prd); } return ret; } vector<bool> Eratosthenes(const int &n) { vector<bool> ret(n + 1, true); if (n >= 0) ret[0] = false; if (n >= 1) ret[1] = false; for (int i = 2; i * i <= n; i++) { if (!ret[i]) continue; for (int j = i + i; j <= n; j += i) ret[j] = false; } return ret; } vector<int> Eratosthenes2(const int &n) { vector<int> ret(n + 1); iota(begin(ret), end(ret), 0); if (n >= 0) ret[0] = -1; if (n >= 1) ret[1] = -1; for (int i = 2; i * i <= n; i++) { if (ret[i] < i) continue; for (int j = i + i; j <= n; j += i) ret[j] = min(ret[j], i); } return ret; } int main() { int N; cin >> N; int M = 200000; auto ps = Eratosthenes2(M); vector<int> a(N), b(N); vector<vector<vector<int>>> ids(M + 1, vector<vector<int>>(20)); rep(i, N) { cin >> a[i] >> b[i]; int x = b[i]; int pre = -1, cnt = 1; while (x > 1) { int t = ps[x]; if (t != pre) { if (pre != -1) ids[pre][cnt].eb(i); pre = t, cnt = 1; } else { cnt++; } x /= t; } if (pre != -1) ids[pre][cnt].eb(i); } mint x = 1; // 分母 rep2(i, 2, M) { int K = -1; rep(j, 20) { if (!empty(ids[i][j])) chmax(K, j); } if (K == -1) continue; vector<ll> pw(K + 1, 1); rep(j, K) pw[j + 1] = pw[j] * i; rep3(j, K, 1) { // 分母 i^j としたとき分子は i で割り切れるか ll s = 0; rep3(k, K, j) { s /= i; ll tmp = 0; each(e, ids[i][k]) { ll A = a[e], B = b[e] / pw[k]; B = modpow(B, pw[k - j] * (i - 1) - 1, pw[k - j + 1]); A *= B, A %= pw[k - j + 1]; tmp += A; tmp %= pw[k - j + 1]; } s += tmp; } s %= i; if (s > 0) { x *= mint(i).pow(j); break; } } } mint ans = 0; rep(i, N) ans += mint(a[i]) / mint(b[i]); cout << ans * x << ' ' << x << '\n'; }