結果
| 問題 |
No.1140 EXPotentiaLLL!
|
| ユーザー |
|
| 提出日時 | 2020-07-31 22:26:33 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,170 ms / 2,000 ms |
| コード長 | 2,898 bytes |
| コンパイル時間 | 1,579 ms |
| コンパイル使用メモリ | 168,592 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-06 18:51:15 |
| 合計ジャッジ時間 | 12,110 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 12 |
ソースコード
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (int)(n); i ++)
#define irep(i,n) for (int i = (int)(n) - 1;i >= 0;--i)
using namespace std;
using ll = long long;
using PL = pair<ll,ll>;
using P = pair<int,int>;
constexpr int INF = 1000000000;
constexpr long long HINF = 1000000000000000;
constexpr long long MOD = 1000000007;// = 998244353;
constexpr double EPS = 1e-4;
constexpr double PI = 3.14159265358979;
vector<bool> sieve(int n) {
vector<bool> prime(n + 1,true);
prime[0] = false;
prime[1] = false;
rep(i,n + 1) {
if (i%2 == 0) prime[i] = false;
}
prime[2] = true;
for (int i = 3; i * i <= n; i += 2) {
if (prime[i]) {
int j = 2;
while (i * j <= n) {
prime[i * j] = false;
j ++;
}
}
}
return prime;
}
template<int Modulus>
struct ModInt {
long long x;
ModInt(long long x = 0) :x((x%Modulus + Modulus)%Modulus) {}
constexpr ModInt &operator+=(const ModInt a) {if ((x += a.x) >= Modulus) x -= Modulus; return *this;}
constexpr ModInt &operator-=(const ModInt a) {if ((x += Modulus - a.x) >= Modulus) x -= Modulus; return *this;}
constexpr ModInt &operator*=(const ModInt a) {(x *= a.x) %= Modulus; return *this;}
constexpr ModInt &operator/=(const ModInt a) {return *this *= a.inverse();}
constexpr ModInt operator+(const ModInt a) const {return ModInt(*this) += a.x;}
constexpr ModInt operator-(const ModInt a) const {return ModInt(*this) -= a.x;}
constexpr ModInt operator*(const ModInt a) const {return ModInt(*this) *= a.x;}
constexpr ModInt operator/(const ModInt a) const {return ModInt(*this) /= a.x;}
friend constexpr ostream& operator<<(ostream& os,const ModInt<Modulus>& a) {return os << a.x;}
friend constexpr istream& operator>>(istream& is,ModInt<Modulus>& a) {return is >> a.x;}
ModInt inverse() const {// x ^ (-1)
long long a = x,b = Modulus,p = 1,q = 0;
while (b) {long long d = a/b; a -= d*b; swap(a,b); p -= d*q; swap(p,q);}
return ModInt(p);
}
ModInt pow(long long N) {// x ^ N
ModInt a = 1;
while (N) {
if (N&1) a *= *this;
*this *= *this;
N >>= 1;
}
return a;
}
};
long long modpow(long long N,long long K,long long mod = MOD) {
long long ret = 1;
while (K > 0) {
if (K&1) {
ret *= N;
ret %= mod;
}
K >>= 1;
N *= N;
N %= mod;
}
return ret;
}
const int MAXN = 5000010;
int main() {
int T; cin >> T;
vector<bool> primes = sieve(MAXN);
rep(i,T) {
ll A,P; cin >> A >> P;
if (primes[P]) {
if (A%P == 0) cout << 0 << '\n';
else cout << 1 << '\n';
} else {
cout << -1 << '\n';
}
}
return 0;
}