結果
問題 | No.147 試験監督(2) |
ユーザー | is_eri23 |
提出日時 | 2015-02-14 20:10:02 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 414 ms / 2,000 ms |
コード長 | 3,380 bytes |
コンパイル時間 | 1,515 ms |
コンパイル使用メモリ | 166,280 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-23 20:16:47 |
合計ジャッジ時間 | 3,901 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 413 ms
5,248 KB |
testcase_01 | AC | 414 ms
5,376 KB |
testcase_02 | AC | 411 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
ソースコード
/* reffered to http://kmjp.hatenablog.jp/entry/2015/02/09/0900 */ #include <bits/stdc++.h> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; /*行列*/ typedef vector <ll> vec; typedef vector <vec> mat; const int M = MOD; mat mul(mat &A,mat &B){//行列掛け算 A*B mat C(sz(A), vec(sz(B[0]),0)); rep(i,sz(A)){ rep(k,sz(B)){ rep(j,sz(B[0])){ C[i][j] = (C[i][j] + ((A[i][k] * B[k][j]) % MOD)) % MOD; } } } return C; } mat pow(mat A,ll n){ mat B(sz(A),vec(sz(A),0)); rep(i,sz(B)){ B[i][i] = 1; } while(n > 0){ if(n & 1){ B = mul(B,A); } A = mul(A,A); n >>= 1; } return B; } ll fib(ll x){ vector <vector <ll> > A(2,vector <ll> (2)); A[0][0] = 1; A[0][1] = 1; A[1][0] = 1; A[1][1] = 0; auto An = pow(A,x); return An[1][0] % MOD; } ll calc(ll x){ return fib(x+2); } ll pow_mod(ll x,ll p,ll mod){//x^p % mod ll res = (x!=0); while(p > 0){ if(p & 1){ res = (res * x) % mod; } x = (x * x) % mod; p >>= 1; } return res; } ll calc2(string &y, ll mod){ ll ret = 0; rep(i,sz(y)){ ret = ret * 10 + (y[i]-'0'); ret %= mod; } return ret; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); int N; cin >> N; ll ans = 1; rep(i,N){ ll x; string y; cin >> x; cin >> y; ans *= pow_mod(calc(x),calc2(y,MOD-1),MOD); //DEBUG2(calc(x),calc2(y,MOD)); ans %= MOD; } cout << ans << endl; return 0; }