結果
問題 |
No.1201 お菓子配り-4
|
ユーザー |
![]() |
提出日時 | 2020-08-29 00:28:07 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2,470 ms / 4,000 ms |
コード長 | 3,485 bytes |
コンパイル時間 | 879 ms |
コンパイル使用メモリ | 101,600 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-14 23:42:58 |
合計ジャッジ時間 | 17,507 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 36 |
ソースコード
#include <iostream> #include <string> #include <cstdlib> #include <cmath> #include <vector> #include <unordered_map> #include <map> #include <set> #include <algorithm> #include <queue> #include <stack> #include <functional> #include <bitset> #include <assert.h> #include <unordered_map> #include <fstream> #include <time.h> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 2020000; ll dy[8] = {1,-1,0,0,1,-1,1,-1}; ll dx[8] = {0,0,1,-1,1,-1,-1,1}; const double pi = acos(-1); const double eps = 1e-7; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ rep(i,a.size()) cout << a[i] << " "; cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){cout << a << " " << b << "\n";} template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } const int mod = 1e9 + 7; //const int mod = 998244353; 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; } }; using mint = modint<mod>; ll GCD(ll a, ll b){ if(b==0) return a; else return GCD(b,a%b); } ll LCM(ll a, ll b){ return a/GCD(a,b)*b; } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int n,m; cin >> n >> m; vl a(n), b(m); rep(i,n) cin >> a[i]; rep(i,m) cin >> b[i]; mint ans = 0; rep(i,n){ rep(j,m){ mint t = a[i] / b[j]; ans += t * (b[j] * (b[j] + 1) % mod); ll r = a[i] % b[j]; if(r == 0) continue; ans += ((b[j] - 1) / 2) * (r-1) * 2 % mod; ans += r * 2; ans += (r * ((b[j]-1) / 2)) / LCM(r, b[j]) * 2; if(b[j] & 1 ^ 1) ans += ((r * b[j] / 2) / b[j]) * 2; } } cout << ans.value() << "\n"; }