結果
問題 | No.368 LCM of K-products |
ユーザー | m_tsubasa |
提出日時 | 2020-07-28 22:40:29 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 341 ms / 2,000 ms |
コード長 | 2,633 bytes |
コンパイル時間 | 2,317 ms |
コンパイル使用メモリ | 214,904 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-28 21:03:11 |
合計ジャッジ時間 | 4,139 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 29 ms
6,816 KB |
testcase_01 | AC | 96 ms
6,944 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 31 ms
6,940 KB |
testcase_04 | AC | 10 ms
6,940 KB |
testcase_05 | AC | 341 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 22 ms
6,940 KB |
testcase_14 | AC | 35 ms
6,940 KB |
testcase_15 | AC | 38 ms
6,940 KB |
testcase_16 | AC | 31 ms
6,940 KB |
testcase_17 | AC | 29 ms
6,944 KB |
testcase_18 | AC | 39 ms
6,944 KB |
testcase_19 | AC | 11 ms
6,944 KB |
testcase_20 | AC | 28 ms
6,940 KB |
testcase_21 | AC | 8 ms
6,940 KB |
testcase_22 | AC | 38 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,944 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 15 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; template <int mod = (int)(1e9 + 7)> struct ModInt { int x; constexpr ModInt() : x(0) {} constexpr ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} constexpr ModInt &operator+=(const ModInt &p) noexcept { if ((x += p.x) >= mod) x -= mod; return *this; } constexpr ModInt &operator-=(const ModInt &p) noexcept { if ((x += mod - p.x) >= mod) x -= mod; return *this; } constexpr ModInt &operator*=(const ModInt &p) noexcept { x = (int)(1LL * x * p.x % mod); return *this; } constexpr ModInt &operator/=(const ModInt &p) noexcept { *this *= p.inverse(); return *this; } constexpr ModInt operator-() const { return ModInt(-x); } constexpr ModInt operator+(const ModInt &p) const noexcept { return ModInt(*this) += p; } constexpr ModInt operator-(const ModInt &p) const noexcept { return ModInt(*this) -= p; } constexpr ModInt operator*(const ModInt &p) const noexcept { return ModInt(*this) *= p; } constexpr ModInt operator/(const ModInt &p) const noexcept { return ModInt(*this) /= p; } constexpr bool operator==(const ModInt &p) const noexcept { return x == p.x; } constexpr bool operator!=(const ModInt &p) const noexcept { return x != p.x; } constexpr ModInt inverse() const noexcept { int a = x, b = mod, u = 1, v = 0, t = 0; while (b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } constexpr ModInt pow(int64_t n) const { ModInt res(1), mul(x); while (n) { if (n & 1) res *= mul; mul *= mul; n >>= 1; } return res; } friend constexpr ostream &operator<<(ostream &os, const ModInt &p) noexcept { return os << p.x; } friend constexpr istream &operator>>(istream &is, ModInt &a) noexcept { int64_t t = 0; is >> t; a = ModInt<mod>(t); return (is); } constexpr int get_mod() { return mod; } }; int n, k; vector<int> a; map<int, vector<int>> mp; int main() { cin >> n >> k; a.resize(n); for (auto &p : a) { cin >> p; long long x = p; for (int long long i = 2; i * i <= x; ++i) { int cnt = 0; while (x % i == 0) ++cnt, x /= i; if (cnt) mp[i].push_back(cnt); } if (x != 1) mp[x].push_back(1); } ModInt<> res = 1; for (auto p : mp) { vector<int> v = p.second; sort(v.begin(), v.end(), greater<int>()); int len = min(k, (int)v.size()), cnt = 0; for (int i = 0; i < len; ++i) cnt += v[i]; res *= ModInt<>(p.first).pow(cnt); } cout << res << endl; return 0; }