結果
問題 | No.1973 Divisor Sequence |
ユーザー | milanis48663220 |
提出日時 | 2022-06-10 21:36:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 279 ms / 2,000 ms |
コード長 | 4,210 bytes |
コンパイル時間 | 1,259 ms |
コンパイル使用メモリ | 125,284 KB |
実行使用メモリ | 178,972 KB |
最終ジャッジ日時 | 2024-09-21 07:27:32 |
合計ジャッジ時間 | 4,133 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 161 ms
29,908 KB |
testcase_03 | AC | 13 ms
6,944 KB |
testcase_04 | AC | 105 ms
18,696 KB |
testcase_05 | AC | 29 ms
16,612 KB |
testcase_06 | AC | 98 ms
25,276 KB |
testcase_07 | AC | 24 ms
6,944 KB |
testcase_08 | AC | 59 ms
14,624 KB |
testcase_09 | AC | 85 ms
16,624 KB |
testcase_10 | AC | 105 ms
20,208 KB |
testcase_11 | AC | 17 ms
6,944 KB |
testcase_12 | AC | 82 ms
20,864 KB |
testcase_13 | AC | 25 ms
8,192 KB |
testcase_14 | AC | 62 ms
17,536 KB |
testcase_15 | AC | 141 ms
21,832 KB |
testcase_16 | AC | 135 ms
25,992 KB |
testcase_17 | AC | 88 ms
17,236 KB |
testcase_18 | AC | 14 ms
6,944 KB |
testcase_19 | AC | 115 ms
21,768 KB |
testcase_20 | AC | 27 ms
6,944 KB |
testcase_21 | AC | 127 ms
30,204 KB |
testcase_22 | AC | 111 ms
21,804 KB |
testcase_23 | AC | 260 ms
178,972 KB |
testcase_24 | AC | 279 ms
46,084 KB |
ソースコード
#include <iostream> #include <algorithm> #include <iomanip> #include <vector> #include <queue> #include <deque> #include <set> #include <map> #include <tuple> #include <cmath> #include <numeric> #include <functional> #include <cassert> #define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl; #define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; typedef long long ll; template<typename T> vector<vector<T>> vec2d(int n, int m, T v){ return vector<vector<T>>(n, vector<T>(m, v)); } template<typename T> vector<vector<vector<T>>> vec3d(int n, int m, int k, T v){ return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, v))); } template<typename T> void print_vector(vector<T> v, char delimiter=' '){ if(v.empty()) { cout << endl; return; } for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter; cout << v.back() << endl; } const ll MOD = 1000000007; class ModInt{ public: ll v; ModInt(ll _v = 0){ if(_v < 0) _v = (_v%MOD)+MOD; if(_v >= MOD) _v %= MOD; v = _v; } ModInt operator+(ll n){ return ModInt((v+n)%MOD); } ModInt operator-(ll n){ return ModInt((v-n+MOD)%MOD); } ModInt operator*(ll n){ if(n >= MOD) n %= MOD; return ModInt((v*n)%MOD); } ModInt operator/(ll n){ return ModInt((ModInt(n).inv()*v).v%MOD); } ModInt &operator+=(ll n){ v = (v+n)%MOD; return *this; } ModInt &operator-=(ll n){ v = (v-n+MOD)%MOD; return *this; } ModInt &operator*=(ll n){ v = (v*n+MOD)%MOD; return *this; } ModInt operator+(ModInt n){ return ModInt((v+n.v)%MOD); } ModInt operator-(ModInt n){ return ModInt((v-n.v+MOD)%MOD); } ModInt operator*(ModInt n){ return ModInt((v*n.v)%MOD); } ModInt operator/(ModInt n){ return ModInt((n.inv()*v).v%MOD); } ModInt &operator+=(ModInt n){ v = (v+n.v)%MOD; return *this; } ModInt &operator-=(ModInt n){ v = (v-n.v+MOD)%MOD; return *this; } ModInt &operator*=(ModInt n){ v = (v*n.v)%MOD; return *this; } bool operator==(ModInt n){ return v == n.v; } bool operator!=(ModInt n){ return v != n.v; } ModInt &operator=(ll n){ v = n%MOD; return *this; } ModInt inv(){ if(v == 1) return ModInt(1); else return ModInt(MOD-ModInt(MOD%v).inv().v*(MOD/v)%MOD); } }; ostream& operator<<(ostream& os, const ModInt& m){ os << m.v; return os; } istream & operator >> (istream &in, ModInt &m){ in >> m.v; return in; } ModInt pow(ModInt a, ll n) { assert(n >= 0); ModInt ans = 1; while (n > 0) { if (n&1) ans = ans*a; a = a*a; n >>= 1; } return ans; } using P = pair<ll, int>; using mint = ModInt; vector<P> factorize(ll n){ ll m = n; vector<P> ans; for(ll p = 2; p*p <= n; p++){ if(m%p == 0){ int cnt = 0; while(m%p == 0){ cnt++; m /= p; } ans.push_back(P(p, cnt)); } } if(m != 1){ ans.push_back(P(m, 1)); } return ans; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; int n; ll m; cin >> n >> m; auto facs = factorize(m); mint ans = 1; auto calc = [&](int c) -> mint{ auto dp = vec2d(n+1, c+1, mint(0)); dp[0][0] = 1; for(int i = 0; i < n; i++){ mint sum = 0; for(int j = c; j >= 0; j--){ sum += dp[i][c-j]; dp[i+1][j] = sum; } } return accumulate(dp[n].begin(), dp[n].end(), mint(0)); }; for(auto [x, c]: facs) ans *= calc(c); cout << ans << endl; }