結果

問題 No.1287 えぬけー
ユーザー milanis48663220milanis48663220
提出日時 2020-11-13 22:09:02
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 334 ms / 2,000 ms
コード長 2,732 bytes
コンパイル時間 1,020 ms
コンパイル使用メモリ 83,288 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-22 20:56:57
合計ジャッジ時間 3,071 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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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
6,812 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 316 ms
6,944 KB
testcase_06 AC 322 ms
6,940 KB
testcase_07 AC 334 ms
6,940 KB
testcase_08 AC 302 ms
6,940 KB
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cassert>
#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
using namespace std;
typedef long long ll;
ll MOD = 1000000007;
class ModInt{
public:
ll v;
ModInt(ll _v = 0){
v = _v;
}
ModInt operator+(ll n){
return ModInt((v+n)%MOD);
}
ModInt operator-(ll n){
return ModInt((v-n+MOD)%MOD);
}
ModInt operator*(ll n){
return ModInt((v*n)%MOD);
}
ModInt operator/(ll n){
return ModInt((ModInt(n).inv()*v).v%MOD);
}
void operator+=(ll n){
v = (v+n)%MOD;
}
void operator-=(ll n){
v = (v-n+MOD)%MOD;
}
void operator*=(ll n){
v = (v*n)%MOD;
}
ModInt operator+(ModInt n){
return ModInt((v+n.v)%MOD);
}
ModInt operator-(ModInt n){
return ModInt((v-n.v+MOD)%MOD);
}
ModInt operator*(ModInt n){
return ModInt((v*n.v)%MOD);
}
ModInt operator/(ModInt n){
return ModInt((n.inv()*v).v%MOD);
}
void operator+=(ModInt n){
v = (v+n.v)%MOD;
}
void operator-=(ModInt n){
v = (v-n.v+MOD)%MOD;
}
void operator*=(ModInt n){
v = (v*n.v)%MOD;
}
void operator=(ModInt n){
v = n.v;
}
void operator=(ll n){
v = n;
}
ModInt inv(){
if(v == 1) return ModInt(1);
else return ModInt(MOD-ModInt(MOD%v).inv().v*(MOD/v)%MOD);
}
};
ostream& operator<<(ostream& os, const ModInt& m){
os << m.v;
return os;
}
istream & operator >> (istream &in, ModInt &m){
in >> m.v;
return in;
}
ModInt pow(ModInt a, ll n) {
ModInt ans = 1;
ModInt tmp = a;
for (int i = 0; i <= 60; i++) {
ll m = (ll)1 << i;
if (m & n) {
ans *= tmp;
}
tmp *= tmp;
}
return ans;
}
ll inv(ll v, ll P){
cout << v << ' ' << P << endl;
if(v == 1) return 1;
else return (inv(P-(P%v), P)*(P/v))%P;
}
ll P = 500000003;
ll MOD_ = 1000000007;
void solve(){
ll x, k;
cin >> x >> k;
MOD = P;
ll m = ModInt(k).inv().v;
if(m%2 == 0) m += P;
MOD = MOD_;
cout << pow(ModInt(x), m) << endl;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout << setprecision(10) << fixed;
int t; cin >> t;
for(int i = 0; i < t; i++) solve();
}
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