結果
問題 | No.1084 積の積 |
ユーザー | gyouzasushi |
提出日時 | 2020-06-19 22:32:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,732 bytes |
コンパイル時間 | 2,040 ms |
コンパイル使用メモリ | 208,268 KB |
実行使用メモリ | 36,996 KB |
最終ジャッジ日時 | 2024-07-03 15:06:47 |
合計ジャッジ時間 | 5,031 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 32 ms
34,500 KB |
testcase_01 | AC | 32 ms
34,552 KB |
testcase_02 | AC | 32 ms
34,520 KB |
testcase_03 | AC | 32 ms
34,528 KB |
testcase_04 | AC | 94 ms
36,804 KB |
testcase_05 | WA | - |
testcase_06 | AC | 92 ms
36,972 KB |
testcase_07 | WA | - |
testcase_08 | AC | 31 ms
34,444 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 33 ms
34,524 KB |
testcase_12 | AC | 50 ms
35,464 KB |
testcase_13 | AC | 68 ms
36,660 KB |
testcase_14 | AC | 44 ms
35,204 KB |
testcase_15 | AC | 44 ms
35,208 KB |
testcase_16 | AC | 72 ms
36,932 KB |
testcase_17 | AC | 46 ms
35,404 KB |
testcase_18 | AC | 58 ms
35,992 KB |
testcase_19 | AC | 68 ms
36,540 KB |
testcase_20 | AC | 40 ms
35,024 KB |
testcase_21 | AC | 45 ms
35,200 KB |
testcase_22 | AC | 41 ms
35,096 KB |
testcase_23 | AC | 54 ms
35,724 KB |
testcase_24 | AC | 51 ms
35,604 KB |
testcase_25 | AC | 68 ms
36,608 KB |
testcase_26 | AC | 61 ms
36,808 KB |
testcase_27 | AC | 60 ms
36,800 KB |
testcase_28 | AC | 60 ms
36,988 KB |
testcase_29 | AC | 61 ms
36,808 KB |
testcase_30 | AC | 59 ms
36,900 KB |
testcase_31 | AC | 60 ms
36,820 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) int(x.size()) #define get_unique(x) x.erase(unique(all(x)), x.end()); typedef long long ll; typedef complex<double> Complex; const ll INF = 1e9; const ll MOD = 1e9 + 7; const ll LINF = 1e18; 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; } template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } template <typename T> ostream& operator<<(ostream& os, vector<T> v) { for (int i = 0; i < sz(v); i++) { os << v[i]; if (i < sz(v) - 1) os << " "; } return os; } struct modint { ll x; modint(ll x = 0) : x((x % MOD + MOD) % MOD) { } ll value() const { return x; } modint operator-() const { return modint(-x); } modint& operator+=(const modint a) { if ((x += a.x) >= MOD) x -= MOD; return *this; } modint& operator-=(const modint a) { if ((x += MOD - a.x) >= MOD) x -= MOD; return *this; } modint& operator*=(const modint a) { (x *= a.x) %= MOD; return *this; } modint operator+(const modint a) const { modint res(*this); return res += a; } modint operator-(const modint a) const { modint res(*this); return res -= a; } modint operator*(const modint a) const { modint res(*this); return res *= a; } modint pow(ll t) const { if (t == 0) return 1; modint a = pow(t >> 1); a *= a; if (t % 2 == 1) a *= *this; return a; } modint inv() const { return pow(MOD - 2); } modint& operator/=(const modint a) { return (*this) *= a.inv(); } modint operator/(const modint a) const { modint res(*this); return res /= a; } }; ostream& operator<<(ostream& os, const modint& x) { os << x.value(); return os; } struct combination { vector<modint> fact, ifact; combination(int n) : fact(n + 1), ifact(n + 1) { assert(n < MOD); fact[0] = 1; for (int i = 1; i <= n; i++) { fact[i] = fact[i - 1] * i; } ifact[n] = fact[n].inv(); for (int i = n; i >= 1; i--) { ifact[i - 1] = ifact[i] * i; } } modint operator()(int n, int k) { if (n < k || k < 0) return 0; return fact[n] * ifact[k] * ifact[n - k]; } modint h(int n, int k) { n += k - 1; if (k < 0 || k > n) return 0; return fact[n] * ifact[k] * ifact[n - k]; } } comb(2002002); int main() { int n; cin >> n; vector<ll> a(n); rep(i, n) cin >> a[i]; int right = 0; ll x = 1; vector<ll> r(n); rep(left, n) { while (right < n && x * a[right] < INF && a[right] > 0) { x *= a[right]; right++; } r[left] = (ll)right; if (right == left) right++; else x /= a[left]; } vector<ll> v(n + 2); rep(i, n) { v[i + 1]--; v[r[i] + 1]++; } rep(i, n) v[i + 1] += v[i]; rep(i, n) v[i] += (r[i] - (ll)i); rep(i, n) v[i + 1] += v[i]; modint ans = 1; rep(i, n) ans *= modint(a[i]).pow(v[i]); cout << ans << endl; }