結果
問題 | No.1731 Product of Subsequence |
ユーザー | ゆにぽけ |
提出日時 | 2023-10-14 16:24:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,017 ms / 2,000 ms |
コード長 | 3,697 bytes |
コンパイル時間 | 1,540 ms |
コンパイル使用メモリ | 144,160 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-16 10:46:41 |
合計ジャッジ時間 | 11,839 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge5 |
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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 | 931 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 32 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1,015 ms
5,376 KB |
testcase_11 | AC | 862 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 12 ms
5,376 KB |
testcase_14 | AC | 854 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 830 ms
5,376 KB |
testcase_19 | AC | 14 ms
5,376 KB |
testcase_20 | AC | 678 ms
5,376 KB |
testcase_21 | AC | 1,017 ms
5,376 KB |
testcase_22 | AC | 3 ms
5,376 KB |
testcase_23 | AC | 3 ms
5,376 KB |
testcase_24 | AC | 15 ms
5,376 KB |
testcase_25 | AC | 6 ms
5,376 KB |
testcase_26 | AC | 160 ms
5,376 KB |
testcase_27 | AC | 221 ms
5,376 KB |
testcase_28 | AC | 478 ms
5,376 KB |
testcase_29 | AC | 165 ms
5,376 KB |
testcase_30 | AC | 925 ms
5,376 KB |
testcase_31 | AC | 4 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 4 ms
5,376 KB |
testcase_34 | AC | 49 ms
5,376 KB |
ソースコード
#include<iostream> #include<vector> #include<algorithm> #include<cstring> #include<cassert> #include<cmath> #include<ctime> #include<iomanip> #include<numeric> #include<stack> #include<queue> #include<map> #include<unordered_map> #include<set> #include<unordered_set> #include<bitset> #include<random> using namespace std; template<int m> struct modint { private: unsigned int value; static constexpr int mod() {return m;} public: constexpr modint(const long long x = 0) noexcept { long long y = x; if(y < 0 || y >= mod()) { y %= mod(); if(y < 0) y += mod(); } value = (unsigned int)y; } constexpr unsigned int val() noexcept {return value;} constexpr modint &operator+=(const modint &other) noexcept { value += other.value; if(value >= mod()) value -= mod(); return *this; } constexpr modint &operator-=(const modint &other) noexcept { unsigned int x = value; if(x < other.value) x += mod(); x -= other.value; value = x; return *this; } constexpr modint &operator*=(const modint &other) noexcept { unsigned long long x = value; x *= other.value; value = (unsigned int) (x % mod()); return *this; } constexpr modint &operator/=(const modint &other) noexcept { return *this *= other.inverse(); } constexpr modint inverse() const noexcept { assert(value); long long a = value,b = mod(),x = 1,y = 0; while(b) { long long q = a/b; a -= q*b; swap(a,b); x -= q*y; swap(x,y); } return modint(x); } constexpr modint power(long long N) const noexcept { assert(N >= 0); modint p = *this,ret = 1; while(N) { if(N & 1) ret *= p; p *= p; N >>= 1; } return ret; } constexpr modint operator+() {return *this;} constexpr modint operator-() {return modint() - *this;} constexpr modint &operator++(int) noexcept {return *this += 1;} constexpr modint &operator--(int) noexcept {return *this -= 1;} friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;} friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;} friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;} friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;} friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;} }; //using mint = modint<998244353>; using mint = modint<1000000007>; long long gcd(long long a,long long b) { while(b) {a %= b;swap(a,b);} return a; } #include<vector> vector<pair<long long,int>> primefactorize(long long n) { vector<pair<long long,int>> ret; for(long long p = 2;p*p <= n;p++) { if(n%p == 0) { int e = 0; while(n%p == 0) n /= p,e++; ret.push_back(make_pair(p,e)); } } if(n > 1) ret.push_back(make_pair(n,1)); return ret; } int N,K; map<vector<int>,mint> dp[2]; void solve() { cin >> N >> K; auto pf = primefactorize(K); int sz = (int)pf.size(); int cur = 0; vector<int> s(sz,0); dp[cur][s] = 1; for(int i = 0;i < N;i++) { int nxt = 1-cur; dp[nxt].clear(); long long A; cin >> A; A = gcd(A,K); vector<int> a(sz); for(int j = 0;j < sz;j++) while(A%pf[j].first == 0) A /= pf[j].first,a[j]++; for(auto it = dp[cur].begin();it != dp[cur].end();it++) { vector<int> V = it->first; dp[nxt][V] += it->second; for(int j = 0;j < sz;j++) V[j] += a[j],V[j] = min(V[j],pf[j].second); dp[nxt][V] += it->second; } swap(cur,nxt); } vector<int> g(sz); for(int i = 0;i < sz;i++) g[i] = pf[i].second; mint ans = dp[cur][g]; if(K == 1) ans--; cout << ans << endl; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int tt = 1; //cin >> tt; while(tt--) solve(); }