結果
問題 | No.797 Noelちゃんとピラミッド |
ユーザー | outline |
提出日時 | 2020-03-28 18:49:51 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 17 ms / 2,000 ms |
コード長 | 4,057 bytes |
コンパイル時間 | 1,137 ms |
コンパイル使用メモリ | 113,708 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-10 17:41:40 |
合計ジャッジ時間 | 4,302 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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 17 ms
6,940 KB |
testcase_04 | AC | 17 ms
6,940 KB |
testcase_05 | AC | 16 ms
6,940 KB |
testcase_06 | AC | 16 ms
6,944 KB |
testcase_07 | AC | 17 ms
6,944 KB |
testcase_08 | AC | 16 ms
6,940 KB |
testcase_09 | AC | 16 ms
6,944 KB |
testcase_10 | AC | 16 ms
6,940 KB |
testcase_11 | AC | 16 ms
6,944 KB |
testcase_12 | AC | 16 ms
6,940 KB |
testcase_13 | AC | 17 ms
6,944 KB |
testcase_14 | AC | 17 ms
6,944 KB |
testcase_15 | AC | 16 ms
6,940 KB |
testcase_16 | AC | 17 ms
6,944 KB |
testcase_17 | AC | 17 ms
6,940 KB |
testcase_18 | AC | 16 ms
6,944 KB |
testcase_19 | AC | 17 ms
6,944 KB |
testcase_20 | AC | 16 ms
6,940 KB |
testcase_21 | AC | 17 ms
6,940 KB |
testcase_22 | AC | 17 ms
6,940 KB |
testcase_23 | AC | 12 ms
6,940 KB |
testcase_24 | AC | 6 ms
6,940 KB |
testcase_25 | AC | 11 ms
6,944 KB |
testcase_26 | AC | 10 ms
6,944 KB |
testcase_27 | AC | 16 ms
6,940 KB |
testcase_28 | AC | 15 ms
6,944 KB |
testcase_29 | AC | 4 ms
6,944 KB |
testcase_30 | AC | 5 ms
6,944 KB |
testcase_31 | AC | 13 ms
6,944 KB |
testcase_32 | AC | 6 ms
6,940 KB |
testcase_33 | AC | 10 ms
6,940 KB |
testcase_34 | AC | 8 ms
6,944 KB |
testcase_35 | AC | 16 ms
6,940 KB |
testcase_36 | AC | 3 ms
6,940 KB |
testcase_37 | AC | 15 ms
6,940 KB |
testcase_38 | AC | 16 ms
6,940 KB |
testcase_39 | AC | 10 ms
6,944 KB |
testcase_40 | AC | 4 ms
6,940 KB |
testcase_41 | AC | 4 ms
6,940 KB |
testcase_42 | AC | 10 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,940 KB |
testcase_47 | AC | 2 ms
6,944 KB |
testcase_48 | AC | 2 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | AC | 2 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,944 KB |
testcase_58 | AC | 2 ms
6,944 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 2 ms
6,944 KB |
testcase_61 | AC | 2 ms
6,944 KB |
testcase_62 | AC | 2 ms
6,940 KB |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <string> #include <map> #include <set> #include <stack> #include <tuple> #include <deque> #include <numeric> #include <bitset> #include <iomanip> #include <cassert> #include <chrono> #include <random> #include <limits> #include <iterator> #include <functional> #include <sstream> #include <complex> using namespace std; typedef long long ll; typedef uint64_t ull; typedef pair<int, int> P; typedef pair<int, double> Pid; typedef pair<double, int> Pdi; typedef pair<ll, int> Pl; typedef pair<ll, ll> Pll; typedef pair<int, pair<int, int>> PP; typedef pair<P, int> PPi; constexpr double PI = 3.1415926535897932; // acos(-1) constexpr double EPS = 1e-9; constexpr int INF = 1001001001; constexpr int mod = 1000000007; // constexpr int mod = 998244353; #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define chadd(x, y) x = (x + y) % mod 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 modint = ModInt<mod>; template<typename T> struct Combination{ int sz; vector<T> fact_; vector<T> ifact_; vector<T> inv_; Combination(int n = 1e+6) : sz(n) { fact_.resize(sz + 1); ifact_.resize(sz + 1); inv_.resize(sz + 1); fact_[0] = ifact_[sz] = inv_[0] = 1; for(int i = 1; i <= sz; ++i) fact_[i] = fact_[i - 1] * i; ifact_[sz] /= fact_[sz]; for(int i = sz; i > 0; --i) ifact_[i - 1] = ifact_[i] * i; for(int i = 1; i <= sz; ++i) inv_[i] = ifact_[i] * fact_[i - 1]; } inline T fact(int k) const {return fact_[k];} inline T ifact(int k) const {return ifact_[k];} inline T inv(int k) const {return inv_[k];} T get_permutation(int n, int k){ if(n < 0 || k < 0 || n < k) return 0; return fact(n) * ifact(n - k); } T get_combination(int n, int k){ if(n < 0 || k < 0 || n < k) return 0; return fact(n) * ifact(k) * ifact(n - k); } }; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; Combination<modint> c(n); modint ans = 0; for(int i = 0; i < n; ++i){ modint a; cin >> a; ans += c.get_combination(n - 1, i) * a; } cout << ans << endl; }