結果
問題 | No.1084 積の積 |
ユーザー | momohara |
提出日時 | 2020-06-19 23:53:11 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 34 ms / 2,000 ms |
コード長 | 4,013 bytes |
コンパイル時間 | 1,601 ms |
コンパイル使用メモリ | 172,328 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-03 16:10:55 |
合計ジャッジ時間 | 3,202 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 18 ms
6,944 KB |
testcase_05 | AC | 7 ms
6,940 KB |
testcase_06 | AC | 20 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 12 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 3 ms
6,940 KB |
testcase_12 | AC | 14 ms
6,944 KB |
testcase_13 | AC | 29 ms
6,940 KB |
testcase_14 | AC | 12 ms
6,944 KB |
testcase_15 | AC | 11 ms
6,940 KB |
testcase_16 | AC | 34 ms
6,944 KB |
testcase_17 | AC | 14 ms
6,940 KB |
testcase_18 | AC | 22 ms
6,940 KB |
testcase_19 | AC | 30 ms
6,944 KB |
testcase_20 | AC | 8 ms
6,940 KB |
testcase_21 | AC | 11 ms
6,940 KB |
testcase_22 | AC | 9 ms
6,940 KB |
testcase_23 | AC | 18 ms
6,944 KB |
testcase_24 | AC | 18 ms
6,944 KB |
testcase_25 | AC | 30 ms
6,944 KB |
testcase_26 | AC | 29 ms
6,944 KB |
testcase_27 | AC | 29 ms
6,944 KB |
testcase_28 | AC | 29 ms
6,944 KB |
testcase_29 | AC | 30 ms
6,944 KB |
testcase_30 | AC | 29 ms
6,940 KB |
testcase_31 | AC | 30 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, m, n) for(int(i) = (int)(m); i < (int)(n); ++i) #define rep2(i, m, n) for(int(i) = (int)(n)-1; i >= (int)(m); --i) #define REP(i, n) rep(i, 0, n) #define REP2(i, n) rep2(i, 0, n) #define all(hoge) (hoge).begin(), (hoge).end() #define en '\n' using ll = long long; using ull = unsigned long long; template <class T> using vec = vector<T>; template <class T> using vvec = vector<vec<T>>; typedef pair<ll, ll> P; constexpr long long INF = 1LL << 60; constexpr int INF_INT = 1 << 25; constexpr long long MOD = (ll)1e9 + 7; // constexpr long long MOD = 998244353LL; using ld = long double; static const ld pi = 3.141592653589793L; typedef vector<ll> Array; typedef vector<Array> Matrix; template <class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return true; } return false; } struct Edge { ll to, rev; long double cap; Edge(ll _to, long double _cap, ll _rev) { to = _to; cap = _cap; rev = _rev; } }; using Edges = vector<Edge>; using Graph = vector<Edges>; void add_edge(Graph &G, ll from, ll to, long double cap, bool revFlag, long double revCap) { G[from].push_back(Edge(to, cap, (ll)G[to].size())); if(revFlag) G[to].push_back(Edge(from, revCap, (ll)G[from].size() - 1)); } template <int mod> struct ModInt { int x; ModInt() : x(0) {} ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int)(1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const { int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } ModInt pow(int64_t n) const { ModInt ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt &a) { int64_t t; is >> t; a = ModInt<mod>(t); return (is); } static int get_mod() { return mod; } }; using mint = ModInt<MOD>; void solve() { ll n; cin >> n; vec<ll> a(n); REP(i, n) cin >> a[i]; REP(i, n) { if(a[i] == 0) { cout << 0 << en; return; } } int r = 0; mint ans = 1; mint sum = 1; ll mul = 1; ll ma = (ll)1e9; REP(l, n) { while(r < n and mul * a[r] < ma) { mul *= a[r]; sum *= mul; r++; } ans *= sum; mul /= a[l]; sum /= mint(a[l]).pow(r - l); } cout << ans << en; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); solve(); // ll t;cin>>t;REP(i,t) solve(); return 0; }