#include <cassert> #include <cmath> #include <cstdint> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <functional> #include <iostream> #include <limits> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using Int = long long; template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; }; template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; } template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; } template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; } template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; } #define COLOR(s) ("\x1b[" s "m") //////////////////////////////////////////////////////////////////////////////// template <unsigned M_> struct ModInt { static constexpr unsigned M = M_; unsigned x; constexpr ModInt() : x(0U) {} constexpr ModInt(unsigned x_) : x(x_ % M) {} constexpr ModInt(unsigned long long x_) : x(x_ % M) {} constexpr ModInt(int x_) : x(((x_ %= static_cast<int>(M)) < 0) ? (x_ + static_cast<int>(M)) : x_) {} constexpr ModInt(long long x_) : x(((x_ %= static_cast<long long>(M)) < 0) ? (x_ + static_cast<long long>(M)) : x_) {} ModInt &operator+=(const ModInt &a) { x = ((x += a.x) >= M) ? (x - M) : x; return *this; } ModInt &operator-=(const ModInt &a) { x = ((x -= a.x) >= M) ? (x + M) : x; return *this; } ModInt &operator*=(const ModInt &a) { x = (static_cast<unsigned long long>(x) * a.x) % M; return *this; } ModInt &operator/=(const ModInt &a) { return (*this *= a.inv()); } ModInt pow(long long e) const { if (e < 0) return inv().pow(-e); ModInt a = *this, b = 1U; for (; e; e >>= 1) { if (e & 1) b *= a; a *= a; } return b; } ModInt inv() const { unsigned a = M, b = x; int y = 0, z = 1; for (; b; ) { const unsigned q = a / b; const unsigned c = a - q * b; a = b; b = c; const int w = y - static_cast<int>(q) * z; y = z; z = w; } assert(a == 1U); return ModInt(y); } ModInt operator+() const { return *this; } ModInt operator-() const { ModInt a; a.x = x ? (M - x) : 0U; return a; } ModInt operator+(const ModInt &a) const { return (ModInt(*this) += a); } ModInt operator-(const ModInt &a) const { return (ModInt(*this) -= a); } ModInt operator*(const ModInt &a) const { return (ModInt(*this) *= a); } ModInt operator/(const ModInt &a) const { return (ModInt(*this) /= a); } template <class T> friend ModInt operator+(T a, const ModInt &b) { return (ModInt(a) += b); } template <class T> friend ModInt operator-(T a, const ModInt &b) { return (ModInt(a) -= b); } template <class T> friend ModInt operator*(T a, const ModInt &b) { return (ModInt(a) *= b); } template <class T> friend ModInt operator/(T a, const ModInt &b) { return (ModInt(a) /= b); } explicit operator bool() const { return x; } bool operator==(const ModInt &a) const { return (x == a.x); } bool operator!=(const ModInt &a) const { return (x != a.x); } friend std::ostream &operator<<(std::ostream &os, const ModInt &a) { return os << a.x; } }; //////////////////////////////////////////////////////////////////////////////// constexpr unsigned MO = 998244353; using Mint = ModInt<MO>; constexpr int M = 200'010; vector<int> lpf; int N, Q; vector<int> A; Mint whole[450][200'010]; int main() { lpf.assign(M + 1, 0); for (int p = 2; p <= M; ++p) lpf[p] = p; for (int p = 2; p <= M; ++p) if (lpf[p] == p) { for (int n = p; n <= M; n += p) chmin(lpf[n], p); } for (; ~scanf("%d", &N); ) { A.resize(N); for (int i = 0; i < N; ++i) { scanf("%d", &A[i]); } scanf("%d", &Q); vector<vector<pair<int, int>>> B(N); for (int i = 0; i < N; ++i) { for (int a = A[i]; a > 1; ) { const int p = lpf[a]; int e = 0; do { ++e; a /= p; } while (a % p == 0); B[i].emplace_back(p, e); } } // cerr<<"B = "<<B<<endl; const int Y = max<int>(N / sqrt(Q), 1); const int X = (N + Y - 1) / Y; // cerr<<"X = "<<X<<", Y = "<<Y<<endl; for (int x = 0; x < X; ++x) { vector<int> es(M + 1, 0); whole[x][x * Y] = 1; for (int i = x * Y; i < N; ++i) { int prod = 1; for (const auto &pe : B[i]) { const int p = pe.first; const int e = pe.second; for (; es[p] < e; ++es[p]) prod *= p; } whole[x][i + 1] = whole[x][i] * prod; } // cerr<<"whole["<<x<<"] = ";pv(whole[x],whole[x]+(N+1)); } vector<vector<pair<int, int>>> nxt(N); { vector<int> app(M + 1, N); for (int i = N; --i >= 0; ) { for (const auto &pe : B[i]) { const int p = pe.first; const int e = pe.second; int q = 1; for (int f = 1; f <= e; ++f) { q *= p; nxt[i].emplace_back(p, app[q]); app[q] = i; } } } } // cerr<<"nxt = "<<nxt<<endl; Mint lastans = 1; for (int q = 0; q < Q; ++q) { int L, R; scanf("%d%d", &L, &R); L = (int)(L * lastans).x % N + 1; R = (int)(R * lastans).x % N + 1; if (L > R) swap(L, R); --L; // cerr<<COLOR("93")<<L<<" "<<R<<COLOR()<<endl; const int k = (L + Y - 1) / Y; int l = k * Y; Mint ans = 1; if (l <= R) { ans = whole[k][R]; } else { l = R; } for (; --l >= L; ) { int prod = 1; for (const auto &qi : nxt[l]) { if (qi.second >= R) prod *= qi.first; } ans *= prod; } printf("%u\n", ans.x); lastans = ans; } } return 0; }