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#define PROBLEM "https://yukicoder.me/problems/no/3030" #include "../../template.h" #include "../NumberTheory/Pollard_factorize.h" void solve() { int q; cin >> q; while (q--) { long long n; cin >> n; cout << n << ' ' << isPrime(n) << '\n'; } }
#line 1 "Math/tests/is_prime_yukicoder.test.cpp" #define PROBLEM "https://yukicoder.me/problems/no/3030" #line 1 "template.h" #include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a),_b=(b); i<=_b; i++) #define FORD(i,a,b) for(int i=(a),_b=(b); i>=_b; i--) #define REP(i,a) for(int i=0,_a=(a); i<_a; i++) #define EACH(it,a) for(__typeof(a.begin()) it = a.begin(); it != a.end(); ++it) #define DEBUG(x) { cout << #x << " = "; cout << (x) << endl; } #define PR(a,n) { cout << #a << " = "; FOR(_,1,n) cout << a[_] << ' '; cout << endl; } #define PR0(a,n) { cout << #a << " = "; REP(_,n) cout << a[_] << ' '; cout << endl; } #define sqr(x) ((x) * (x)) // For printing pair, container, etc. // Copied from https://quangloc99.github.io/2021/07/30/my-CP-debugging-template.html template<class U, class V> ostream& operator << (ostream& out, const pair<U, V>& p) { return out << '(' << p.first << ", " << p.second << ')'; } template<class Con, class = decltype(begin(declval<Con>()))> typename enable_if<!is_same<Con, string>::value, ostream&>::type operator << (ostream& out, const Con& con) { out << '{'; for (auto beg = con.begin(), it = beg; it != con.end(); it++) { out << (it == beg ? "" : ", ") << *it; } return out << '}'; } template<size_t i, class T> ostream& print_tuple_utils(ostream& out, const T& tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); } template<class ...U> ostream& operator << (ostream& out, const tuple<U...>& t) { return print_tuple_utils<0, tuple<U...>>(out, t); } mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); long long get_rand(long long r) { return uniform_int_distribution<long long> (0, r-1)(rng); } template<typename T> vector<T> read_vector(int n) { vector<T> res(n); for (int& x : res) cin >> x; return res; } void solve(); int main() { ios::sync_with_stdio(0); cin.tie(0); solve(); return 0; } #line 1 "Math/NumberTheory/Pollard_factorize.h" // Copied from https://judge.yosupo.jp/submission/61447 // O(N^0.25) // // Tested: // - (up to 10^18; 200 tests) https://judge.yosupo.jp/problem/factorize // - https://oj.vnoi.info/problem/icpc21_beta_l // - https://www.spoj.com/problems/FACT0/ // // Pollard {{{ using ll = long long; using ull = unsigned long long; using ld = long double; ll mult(ll x, ll y, ll md) { ull q = (ld)x * y / md; ll res = ((ull)x * y - q * md); if (res >= md) res -= md; if (res < 0) res += md; return res; } ll powMod(ll x, ll p, ll md) { if (p == 0) return 1; if (p & 1) return mult(x, powMod(x, p - 1, md), md); return powMod(mult(x, x, md), p / 2, md); } bool checkMillerRabin(ll x, ll md, ll s, int k) { x = powMod(x, s, md); if (x == 1) return true; while(k--) { if (x == md - 1) return true; x = mult(x, x, md); if (x == 1) return false; } return false; } bool isPrime(ll x) { if (x == 2 || x == 3 || x == 5 || x == 7) return true; if (x % 2 == 0 || x % 3 == 0 || x % 5 == 0 || x % 7 == 0) return false; if (x < 121) return x > 1; ll s = x - 1; int k = 0; while(s % 2 == 0) { s >>= 1; k++; } if (x < 1LL << 32) { for (ll z : {2, 7, 61}) { if (!checkMillerRabin(z, x, s, k)) return false; } } else { for (ll z : {2, 325, 9375, 28178, 450775, 9780504, 1795265022}) { if (!checkMillerRabin(z, x, s, k)) return false; } } return true; } ll gcd(ll x, ll y) { return y == 0 ? x : gcd(y, x % y); } void pollard(ll x, vector<ll> &ans) { if (isPrime(x)) { ans.push_back(x); return; } ll c = 1; while(true) { c = 1 + get_rand(x - 1); auto f = [&](ll y) { ll res = mult(y, y, x) + c; if (res >= x) res -= x; return res; }; ll y = 2; int B = 100; int len = 1; ll g = 1; while(g == 1) { ll z = y; for (int i = 0; i < len; i++) { z = f(z); } ll zs = -1; int lft = len; while(g == 1 && lft > 0) { zs = z; ll p = 1; for (int i = 0; i < B && i < lft; i++) { p = mult(p, abs(z - y), x); z = f(z); } g = gcd(p, x); lft -= B; } if (g == 1) { y = z; len <<= 1; continue; } if (g == x) { g = 1; z = zs; while(g == 1) { g = gcd(abs(z - y), x); z = f(z); } } if (g == x) break; assert(g != 1); pollard(g, ans); pollard(x / g, ans); return; } } } // return list of all prime factors of x (can have duplicates) vector<ll> factorize(ll x) { vector<ll> ans; for (ll p : {2, 3, 5, 7, 11, 13, 17, 19}) { while(x % p == 0) { x /= p; ans.push_back(p); } } if (x != 1) { pollard(x, ans); } sort(ans.begin(), ans.end()); return ans; } // return pairs of (p, k) where x = product(p^k) vector<pair<ll, int>> factorize_pk(ll x) { auto ps = factorize(x); ll last = -1, cnt = 0; vector<pair<ll, int>> res; for (auto p : ps) { if (p == last) ++cnt; else { if (last > 0) res.emplace_back(last, cnt); last = p; cnt = 1; } } if (cnt > 0) { res.emplace_back(last, cnt); } return res; } vector<ll> get_all_divisors(ll n) { auto pks = factorize_pk(n); vector<ll> res; function<void(int, ll)> gen = [&] (int i, ll prod) { if (i == static_cast<int>(pks.size())) { res.push_back(prod); return; } ll cur_power = 1; for (int cur = 0; cur <= pks[i].second; ++cur) { gen(i+1, prod * cur_power); cur_power *= pks[i].first; } }; gen(0, 1LL); sort(res.begin(), res.end()); return res; } // }}} #line 5 "Math/tests/is_prime_yukicoder.test.cpp" void solve() { int q; cin >> q; while (q--) { long long n; cin >> n; cout << n << ' ' << isPrime(n) << '\n'; } }