#include #include using namespace std; using namespace atcoder; using ll = long long; using mint = atcoder::modint998244353; #define BL 58 #define BL2 447 // 59 ~ 447 //2次元セグ木(自動座圧) template struct segtree2D_lite { int H, logH; std::vector logW, W; std::vector Yc; std::vector> parent; std::vector>> child; std::vector> Xc; std::vector> preorder; std::vector> d; segtree2D_lite() {} void insert(C y, C x){ preorder.emplace_back(y, x); } void build(){ std::sort(preorder.begin(), preorder.end()); Yc.resize(preorder.size()); for(int i = 0; i < (int)(preorder.size()); i++)Yc[i] = preorder[i].first; Yc.erase(std::unique(Yc.begin(), Yc.end()), Yc.end()); logH = ceil_pow2(Yc.size()); H = 1 << logH; Xc.resize(2 * H), d.resize(2 * H); logW.resize(2 * H), W.resize(2 * H); parent.resize(2 * H), child.resize(H); for(int i = 0, y_id = 0; i < (int)(preorder.size()); i++){ while(Yc[y_id] < preorder[i].first)y_id++; Xc[y_id + H].emplace_back(preorder[i].second); } for(int y = 2 * H - 1; y >= H; y--){ Xc[y].erase(std::unique(Xc[y].begin(), Xc[y].end()), Xc[y].end()); parent[y].resize(Xc[y].size()); logW[y] = ceil_pow2(Xc[y].size()); W[y] = 1 << logW[y]; d[y].resize(2 * W[y], e()); } for(int y = H - 1; y >= 1; y--){ int Ly_id = 2 * y, Ry_id = 2 * y + 1; int Lx_id = 0, Rx_id = 0; while(Lx_id < Xc[Ly_id].size() && Rx_id < Xc[Ry_id].size()){ if(Xc[Ly_id][Lx_id] == Xc[Ry_id][Rx_id]){ parent[Ly_id][Lx_id] = parent[Ry_id][Rx_id] = Xc[y].size(); Xc[y].emplace_back(Xc[Ly_id][Lx_id]); child[y].emplace_back(Lx_id + W[Ly_id], Rx_id + W[Ry_id]); Lx_id++, Rx_id++; }else if(Xc[Ly_id][Lx_id] < Xc[Ry_id][Rx_id]){ parent[Ly_id][Lx_id] = Xc[y].size(); Xc[y].emplace_back(Xc[Ly_id][Lx_id]); child[y].emplace_back(Lx_id + W[Ly_id], 0); Lx_id++; }else{ parent[Ry_id][Rx_id] = Xc[y].size(); Xc[y].emplace_back(Xc[Ry_id][Rx_id]); child[y].emplace_back(0, Rx_id + W[Ry_id]); Rx_id++; } } while(Lx_id < Xc[Ly_id].size()){ parent[Ly_id][Lx_id] = Xc[y].size(); Xc[y].emplace_back(Xc[Ly_id][Lx_id]); child[y].emplace_back(Lx_id + W[Ly_id], 0); Lx_id++; } while(Rx_id < Xc[Ry_id].size()){ parent[Ry_id][Rx_id] = Xc[y].size(); Xc[y].emplace_back(Xc[Ry_id][Rx_id]); child[y].emplace_back(0, Rx_id + W[Ry_id]); Rx_id++; } parent[y].resize(Xc[y].size()); logW[y] = ceil_pow2(Xc[y].size()); W[y] = 1 << logW[y]; d[y].resize(2 * W[y], e()); } } void set(C py, C px, S v){ int y = std::lower_bound(Yc.begin(), Yc.end(), py) - Yc.begin(); y += H; int x = std::lower_bound(Xc[y].begin(), Xc[y].end(), px) - Xc[y].begin(), nxt_x = parent[y][x]; x += W[y]; d[y][x] = v; while(x >>= 1)updateX(y, x); while(y >>= 1){ x = nxt_x, nxt_x = parent[y][x]; d[y][x + W[y]] = op(d[2 * y][child[y][x].first], d[2 * y + 1][child[y][x].second]); x += W[y]; while(x >>= 1)updateX(y, x); } } S get(C py, C px){ int y = std::lower_bound(Yc.begin(), Yc.end(), py) - Yc.begin(); y += H; int x = std::lower_bound(Xc[y].begin(), Xc[y].end(), px) - Xc[y].begin(); return d[y][x + W[y]]; } S prod(C lpy, C lpx, C rpy, C rpx){ int ly = std::lower_bound(Yc.begin(), Yc.end(), lpy) - Yc.begin(); int ry = std::lower_bound(Yc.begin(), Yc.end(), rpy) - Yc.begin(); S sml = e(), smr = e(); ly += H, ry += H ; while (ly < ry) { if (ly & 1) sml = op(sml, yline_prod(lpx, rpx , ly++)); if (ry & 1) smr = op(yline_prod(lpx, rpx , --ry), smr); ly >>= 1, ry >>= 1; } return op(sml, smr); } S yline_prod(C lpx, C rpx, int y){ int lx = std::lower_bound(Xc[y].begin(), Xc[y].end(), lpx) - Xc[y].begin(); int rx = std::lower_bound(Xc[y].begin(), Xc[y].end(), rpx) - Xc[y].begin(); S sml = e(), smr = e(); lx += W[y], rx += W[y] ; while (lx < rx) { if (lx & 1) sml = op(sml, d[y][lx++]); if (rx & 1) smr = op(d[y][--rx], smr); lx >>= 1, rx >>= 1; } return op(sml, smr); } private: int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } void updateX(int yi, int xi) { d[yi][xi] = op(d[yi][2 * xi], d[yi][2 * xi + 1]); } }; mint op(mint lhs, mint rhs){ return lhs * rhs; } mint e(){return mint::raw(1);} int main(){ ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; constexpr int r = 200000; vector tb(r + 1), a(n), pre(r + 1, -1); vector inv_tb(r + 1); tb[0] = tb[1] = -1; int pcnt = 0; for(int i = 2; i <= r; i++){ if(tb[i] != 0) continue; inv_tb[i] = mint::raw(i).inv(); for(int j = i; j <= r; j += i){ if(tb[j] == 0) tb[j] = i; } } segtree2D_lite seg; vector> ld; ld.reserve(n); for(int i = 0; i < n; i++){ int v; cin >> v; a[i] = v; if(v == 1) continue; seg.insert(i, i); ld.emplace_back(i, i, a[i]); int pv = -1, tmp = 1; while(v != 1){ if(tb[v] == pv) tmp *= tb[v]; else tmp = tb[v]; if(pre[tmp] != -1){ seg.insert(pre[tmp], i); ld.emplace_back(pre[tmp], i, inv_tb[tb[v]].val()); } pre[tmp] = i; pv = tb[v]; v /= tb[v]; } } seg.build(); sort(ld.begin(), ld.end()); for(int i = 0; i < ld.size(); ){ int p = i; auto [y, x, v] = ld[i++]; mint tmp = mint::raw(v); while(i < ld.size() && get<0>(ld[i]) == y && get<1>(ld[i]) == x){ tmp *= mint::raw(get<2>(ld[i++])); } seg.set(y, x, tmp); } int Q; cin >> Q; mint ans = 1; while(Q--){ int a, b; cin >> a >> b; int l = (a * ans).val() % n, r = (b * ans).val() % n; if(l > r) swap(l, r); r++; ans = seg.prod(l, l, r, r); cout << ans.val() << '\n'; } }