結果
| 問題 |
No.147 試験監督(2)
|
| コンテスト | |
| ユーザー |
sune232002
|
| 提出日時 | 2015-02-08 23:47:15 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,461 bytes |
| コンパイル時間 | 1,663 ms |
| コンパイル使用メモリ | 164,620 KB |
| 実行使用メモリ | 17,088 KB |
| 最終ジャッジ日時 | 2024-06-23 08:00:17 |
| 合計ジャッジ時間 | 8,435 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | TLE * 1 -- * 3 |
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 REPR(i,n) for (int i=(int)(n)-1;i>=0;--i)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)
#define ALL(c) (c).begin(), (c).end()
#define valid(y,x,h,w) (0<=y&&y<h&&0<=x&&x<w)
#define tpl(...) make_tuple(__VA_ARGS__)
const int INF = 0x3f3f3f3f;
const double EPS = 1e-8;
const double PI = acos(-1);
const int dy[] = {-1,0,1,0};
const int dx[] = {0,1,0,-1};
typedef long long ll;
typedef pair<int,int> pii;
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<typename Ch,typename Tr,typename C,typename=decltype(begin(C()))>basic_ostream<Ch,Tr>& operator<<(basic_ostream<Ch,Tr>&os,
const C& c){os<<'[';for(auto i=begin(c);i!=end(c);++i)os<<(i==begin(c)?"":" ")<<*i;return os<<']';}
template<class S,class T>ostream&operator<<(ostream &o,const pair<S,T>&t){return o<<'('<<t.first<<','<<t.second<<')';}
template<int N,class Tp>void output(ostream&,const Tp&){}
template<int N,class Tp,class,class ...Ts>void output(ostream &o,const Tp&t){if(N)o<<',';o<<get<N>(t);output<N+1,Tp,Ts...>(o,t);}
template<class ...Ts>ostream&operator<<(ostream&o,const tuple<Ts...>&t){o<<'(';output<0,tuple<Ts...>,Ts...>(o,t);return o<<')';}
template<class T>void output(T t,char z=10){if(t<0)t=-t,putchar(45);int c[20];
int k=0;while(t)c[k++]=t%10,t/=10;for(k||(c[k++]=0);k;)putchar(c[--k]^48);putchar(z);}
template<class T>void outputs(T t){output(t);}
template<class S,class ...T>void outputs(S a,T...t){output(a,32);outputs(t...);}
template<class T>void output(T *a,int n){REP(i,n)cout<<a[i]<<(i!=n-1?',':'\n');}
template<class T>void output(T *a,int n,int m){REP(i,n)output(a[i],m);}
template<class T>bool input(T &t){int n=1,c;for(t=0;!isdigit(c=getchar())&&~c&&c-45;);
if(!~c)return 0;for(c-45&&(n=0,t=c^48);isdigit(c=getchar());)t=10*t+c-48;t=n?-t:t;return 1;}
template<class S,class ...T>bool input(S&a,T&...t){input(a);return input(t...);}
template<class T>bool inputs(T *a, int n) { REP(i,n) if(!input(a[i])) return 0; return 1;}
template<int MOD>
struct ModInt {
int x;
ModInt() : x(0) {}
ModInt(ll s) { if ((x = s % MOD) < 0) x += MOD; }
ModInt operator+=(ModInt rhs) { if ((x+=rhs.x) >= MOD) x -= MOD; return *this; }
ModInt operator-=(ModInt rhs) { if ((x-=rhs.x) < 0) x += MOD; return *this; }
ModInt operator*=(ModInt rhs) { x = (ll)x*rhs.x % MOD; return *this; }
ModInt operator+(ModInt rhs) const { return ModInt(*this) += rhs; }
ModInt operator-(ModInt rhs) const { return ModInt(*this) -= rhs; }
ModInt operator*(ModInt rhs) const { return ModInt(*this) *= rhs; }
ModInt operator/=(ModInt rhs) {
static const ll inv2 = ModInt(2).inv().x; // 2で割るのは特別に保存してみる
ll i = (rhs.x == 2 ? inv2 : rhs.inv().x);
x = x*i%MOD; return *this;
}
ModInt operator/(ModInt rhs) const { return ModInt(*this) /= rhs; }
ModInt inv() { return pow(MOD-2); }
ModInt pow(ll n) const {
ModInt r = 1, t = x;
for (;n;n>>=1,t*=t) if (n&1) r *= t;
return r;
}
friend ostream& operator<<(ostream &os, const ModInt rhs){ return os << rhs.x; }
};
typedef ModInt<int(1e9+7)> mint;
mint fib(ll n) {
mint f1 = 1, f = 1;
mint r1 = 1, r = 0;
while(n) {
if (n&1)
tie(r1,r) = tpl(f1*r1+f*r,f1*r+f*(r1-r));
tie(f1,f) = tpl(f1*f1+f*f,f*(f1*2-f));
n >>= 1;
}
return r;
}
ll strMod(const string &s, ll mod) {
ll a = 0;
REP(i,s.size()) a = (a*10+s[i]-'0') % mod;
return a;
}
ll powmod(ll base, ll power, int mod) {
ll ans = 1;
while (power > 0) {
if (power & 1)
ans = ans * base % mod;
power >>= 1;
base = base * base % mod;
}
return ans;
}
ll eulerPhi(ll n) {
if (n == 0) return 0;
ll ans = n;
for (ll x = 2; x*x <= n; ++x) {
if (n % x == 0) {
ans -= ans / x;
while (n % x == 0) n /= x;
}
}
if (n > 1) ans -= ans / n;
return ans;
}
// オイラーの定理
ll powmod2(ll x, const string &n, ll mod) {
if (n.size() <= 17) return powmod(x, atoll(n.c_str()), mod);
ll p = eulerPhi(mod);
ll m = strMod(n,p) + p;
return powmod(x, m, mod);
}
const ll mod = 1e9+7;
int main() {
int n;
while(input(n)) {
mint ans = 1;
REP(i,n) {
ll C;
string D;
cin >> C >> D;
ans = ans * powmod2(fib(C+2).x, D, mod);
}
cout << ans << endl;
}
}
sune232002