結果
| 問題 |
No.147 試験監督(2)
|
| コンテスト | |
| ユーザー |
koyopro
|
| 提出日時 | 2020-01-07 23:50:23 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 4,384 bytes |
| コンパイル時間 | 2,494 ms |
| コンパイル使用メモリ | 161,432 KB |
| 実行使用メモリ | 419,328 KB |
| 最終ジャッジ日時 | 2024-11-23 01:22:00 |
| 合計ジャッジ時間 | 5,896 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 MLE * 3 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
#define int long long
#define FOR(i, a, b) for(int i=(a);i<(b);i++)
#define RFOR(i, a, b) for(int i=(b-1);i>=(a);i--)
#define REP(i, n) for(int i=0; i<(n); i++)
#define RREP(i, n) for(int i=(n-1); i>=0; i--)
#define ALL(a) (a).begin(),(a).end()
#define UNIQUE_SORT(l) sort(ALL(l)); l.erase(unique(ALL(l)), l.end());
#define CONTAIN(a, b) find(ALL(a), (b)) != (a).end()
#define array2(type, x, y) array<array<type, y>, x>
#define vector2(type) vector<vector<type> >
#define out(...) printf(__VA_ARGS__)
int dxy[] = {0, 1, 0, -1, 0};
void solve();
signed main()
{
#if DEBUG
std::ifstream in("input.txt");
std::cin.rdbuf(in.rdbuf());
#endif
cin.tie(0);
ios::sync_with_stdio(false);
solve();
return 0;
}
/*================================*/
template<typename T> struct Pos {
T x, y;
Pos(){};
Pos(T x, T y): x(x), y(y){};
Pos operator * (T t) {
return Pos(t * x, t * y);
}
Pos operator + (Pos q) {
return Pos(x + q.x, y + q.y);
}
Pos operator - (Pos q) {
return Pos(x - q.x, y - q.y);
}
T dot(Pos q) {
return x * q.x + y * q.y;
}
T det(Pos q) {
return x * q.y - y * q.x;
}
bool operator == (Pos q) {
return (x == q.x) && (y == q.y);
}
T operator[](size_t i) {
return i ? y : x;
}
};
template<typename T> struct Matrix {
Pos<T> rows[2];
Matrix(T a0, T a1,
T b0, T b1)
{
rows[0] = *new Pos<T>(a0, a1);
rows[1] = *new Pos<T>(b0, b1);
}
Pos<T> operator * (Pos<T> v) {
return *new Pos<T>(rows[0].dot(v), rows[1].dot(v));
}
Pos<T> operator[](size_t i) {
return rows[i];
}
Pos<T> col(size_t i) {
return *new Pos<T>(rows[0][i], rows[1][i]);
}
Matrix operator * ( Matrix& q ) {
return *new Matrix(
rows[0].dot(q.col(0)), rows[0].dot(q.col(1)),
rows[1].dot(q.col(0)), rows[1].dot(q.col(1))
);
}
};
template<int MOD> struct ModInt {
static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
int get() const { return (int)x; }
ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
return ModInt(u); }
bool operator==(ModInt that) const { return x == that.x; }
bool operator!=(ModInt that) const { return x != that.x; }
ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
typedef ModInt<1000000007> mint;
int N,M,Q;
int C;
string D;
mint calcD() {
mint ret = mint(0);
RREP(i,D.size()) {
ret += mint(D[D.size()-1-i] - '0') * (mint(10) ^ i);
}
return ret;
}
mint fib(int c) {
auto base = Matrix<mint>(1,1, 1,0);
auto current = Pos<mint>(1,0);
while(c) {
if (c%2) current = base * current;
base = base * base;
c >>= 1;
}
return current.y;
}
void solve() {
cin>>N;
mint ans = mint(1);
while(N--) {
D.clear();
cin>>C>>D;
mint c = fib(C+2);
mint d = calcD();
ans *= c ^ d.get();
}
cout << ans << endl;
}
koyopro