結果
問題 | No.995 タピオカオイシクナーレ |
ユーザー | outline |
提出日時 | 2020-03-04 22:18:25 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 15 ms / 2,000 ms |
コード長 | 3,898 bytes |
コンパイル時間 | 1,177 ms |
コンパイル使用メモリ | 116,096 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-14 00:34:17 |
合計ジャッジ時間 | 2,731 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 14 ms
5,248 KB |
testcase_17 | AC | 14 ms
5,248 KB |
testcase_18 | AC | 14 ms
5,248 KB |
testcase_19 | AC | 15 ms
5,248 KB |
testcase_20 | AC | 15 ms
5,248 KB |
testcase_21 | AC | 14 ms
5,248 KB |
testcase_22 | AC | 14 ms
5,248 KB |
testcase_23 | AC | 14 ms
5,248 KB |
testcase_24 | AC | 14 ms
5,248 KB |
testcase_25 | AC | 14 ms
5,248 KB |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <string> #include <map> #include <set> #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 pair<int, int> P; typedef pair<int, double> Pid; typedef pair<double, int> Pdi; typedef pair<ll, int> Pl; typedef pair<int, pair<int, int>> PP; constexpr double PI = 3.1415926535897932; // acos(-1) constexpr double EPS = 1e-15; constexpr int INF = 1001001001; constexpr int mod = 1e+9 + 7; #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>; using vec = vector<modint>; using mat = vector<vec>; mat mul(const mat& A, const mat& B){ mat res = mat(A.size(), vec(B[0].size(), 0)); for(int i = 0; i < A.size(); ++i){ for(int k = 0; k < B.size(); ++k){ for(int j = 0; j < B[0].size(); ++j){ res[i][j] += A[i][k] * B[k][j]; } } } return res; } mat pow(mat A, ll n){ mat res = mat(A.size(), vec(A[0].size(), 0)); for(int i = 0; i < A.size(); ++i) res[i][i] = 1; while(n > 0){ if(n & 1) res = mul(res, A); A = mul(A, A); n >>= 1; } return res; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; ll k; modint p, q; cin >> n >> m >> k >> p >> q; vector<modint> b(n); for(int i = 0; i < n; ++i) cin >> b[i]; mat P = mat(2, vec(2)); P[0][0] = (modint)1 - p * q.inverse(); P[1][1] = P[0][0]; P[0][1] = p * q.inverse(); P[1][0] = P[0][1]; P = pow(P, k); modint p0 = P[0][0]; modint p1 = P[0][1]; modint res = 0; for(int i = 0; i < n; ++i){ if(i < m){ res += b[i] * p0; } else{ res += b[i] * p1; } } cout << res << endl; }