結果
問題 | No.886 Direct |
ユーザー | はまやんはまやん |
提出日時 | 2019-09-14 09:15:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 186 ms / 4,000 ms |
コード長 | 4,006 bytes |
コンパイル時間 | 1,928 ms |
コンパイル使用メモリ | 208,324 KB |
実行使用メモリ | 63,612 KB |
最終ジャッジ日時 | 2024-07-05 15:44:11 |
合計ジャッジ時間 | 4,874 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
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
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 77 ms
27,936 KB |
testcase_24 | AC | 77 ms
31,992 KB |
testcase_25 | AC | 44 ms
20,316 KB |
testcase_26 | AC | 58 ms
24,852 KB |
testcase_27 | AC | 161 ms
55,032 KB |
testcase_28 | AC | 151 ms
53,796 KB |
testcase_29 | AC | 162 ms
51,204 KB |
testcase_30 | AC | 164 ms
51,204 KB |
testcase_31 | AC | 179 ms
63,044 KB |
testcase_32 | AC | 183 ms
63,608 KB |
testcase_33 | AC | 184 ms
63,612 KB |
testcase_34 | AC | 186 ms
63,480 KB |
testcase_35 | AC | 181 ms
63,596 KB |
ソースコード
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- vector<int> makePrimes(int n) { // [2,n] vector<int> res, pr(n + 1, 1); pr[0] = pr[1] = 0; rep(p, 2, sqrt(n) + 2) if (pr[p]) for (int x = p * 2; x <= n; x += p) pr[x] = 0; rep(p, 2, n + 1) if (pr[p]) res.push_back(p); return res; } template<class T> vector<T> convolutionGcd(vector<T> a, vector<T> b) { int na = a.size(); int nb = b.size(); int n = max(na, nb); a.resize(n); b.resize(n); auto pr = makePrimes(n); fore(p, pr) { int m = (n - 1) / p; rrep(i, m, 1) { a[i] += a[i * p]; b[i] += b[i * p]; } } rep(i, 1, n) a[i] *= b[i]; fore(p, pr) { int m = (n - 1) / p; rep(i, 1, m+1) a[i] -= a[i * p]; } return a; } template<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } return ModInt(u); } bool operator==(ModInt that) const { return x == that.x; } bool operator!=(ModInt that) const { return x != that.x; } ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; } }; template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; }; template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) { ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } typedef ModInt<1000000007> mint; /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i @hamayanhamayan / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int H, W; //--------------------------------------------------------------------------------------------------- void _main() { cin >> H >> W; vector<mint> h(H); rep(i, 1, H) h[i] = H - i; vector<mint> w(W); rep(i, 1, W) w[i] = W - i; auto v = convolutionGcd(h, w); mint ans = v[1] * 2 + mint(H) * (W - 1) + mint(W) * (H - 1); cout << ans << endl; }