結果
| 問題 |
No.147 試験監督(2)
|
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2018-08-18 14:17:00 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,839 bytes |
| コンパイル時間 | 1,802 ms |
| コンパイル使用メモリ | 177,336 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-10-15 04:46:48 |
| 合計ジャッジ時間 | 3,702 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 WA * 3 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/147>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
const ll MOD = 1e9+7;
void test(){
for(int i = 1; i <= 10;i++){
int cnt = 0;
for(int j = 0; j < (1<<i);j++){
cnt++;
for(int k = 0; k < i;k++){
if(((j>>k)&1)&((j>>(k+1))&1)){
cnt--;
break;
}
}
}
cout << i << " " << cnt << endl;
}
}
ll mod(string& S){
ll ret = 0;
for(auto& c:S){
ret = (ret*10 + c - '0')%MOD;
}
return ret;
}
typedef vector<ll> vec;
typedef vector<vec> mat;
mat mul(mat&A,mat&B,const ll M){
mat C(A.size(),vec(B[0].size()));
for(int i = 0; i < (int)A.size();i++){
for(int k = 0; k < (int)B.size();k++){
for(int j = 0; j < B[0].size();j++){
C[i][j] = (C[i][j] + A[i][k]*B[k][j])%M;
}
}
}
return C;
}
mat pow(mat A,ll n,const ll M){
mat B(A.size(),vec(A.size()));
for(int i = 0; i < A.size();i++){
B[i][i] = 1;
}
while(n > 0){
if(n&1) B= mul(B,A,M);
A = mul(A,A,M);
n>>=1;
}
return B;
}
ll powmod(ll a,ll b) {ll res=1;a%=MOD;for(;b;b>>=1){if(b&1)res=res*a%MOD;a=a*a%MOD;}return res;}
ll solve(){
ll res = 1;
ll N; cin >> N;
while(N--){
ll C; string D; cin >> C >> D;
mat A = {{1,1},{1,0}};
ll n = (C+2)%MOD;
auto F = pow(A,n,MOD);
(res *= powmod(F[0][1],mod(D)))%=MOD;
}
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
//test();
cout << solve() << endl;
return 0;
}
kei