#include using namespace std; #define rep(i,m,n) for(int (i)=(int)(m);i<(int)(n);++i) #define rep2(i,m,n) for(int (i)=(int)(n)-1;i>=(int)(m);--i) #define REP(i,n) rep(i,0,n) #define REP2(i,n) rep2(i,0,n) #define FOR(i,c) for(decltype((c).begin())i=(c).begin();i!=(c).end();++i) #define all(hoge) (hoge).begin(),(hoge).end() #define en '\n' using ll = long long; using ull = unsigned long long; template using vec = vector; template using vvec = vector>; typedef pair P; constexpr long long INF = 1LL << 60; constexpr int INF_INT = 1 << 25; //constexpr long long MOD = (ll) 1e9 + 7; constexpr long long MOD = 998244353LL; using ld=long double; static const ld pi = 3.141592653589793L; typedef vector Array; typedef vector Matrix; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } struct Edge { ll to, rev; long double cap; Edge(ll _to, long double _cap, ll _rev) { to = _to; cap = _cap; rev = _rev; } }; using Edges = vector; using Graph = vector; void add_edge(Graph& G, ll from, ll to, long double cap, bool revFlag, long double revCap) { G[from].push_back(Edge(to, cap, (ll)G[to].size())); if (revFlag)G[to].push_back(Edge(from, revCap, (ll)G[from].size() - 1)); } template< int mod > struct NumberTheoreticTransform { vector< int > rev, rts; int base, max_base, root; NumberTheoreticTransform() : base(1), rev{0, 1}, rts{0, 1} { assert(mod >= 3 && mod % 2 == 1); auto tmp = mod - 1; max_base = 0; while(tmp % 2 == 0) tmp >>= 1, max_base++; root = 2; while(mod_pow(root, (mod - 1) >> 1) == 1) ++root; assert(mod_pow(root, mod - 1) == 1); root = mod_pow(root, (mod - 1) >> max_base); } inline int mod_pow(int x, int n) { int ret = 1; while(n > 0) { if(n & 1) ret = mul(ret, x); x = mul(x, x); n >>= 1; } return ret; } inline int inverse(int x) { return mod_pow(x, mod - 2); } inline unsigned add(unsigned x, unsigned y) { x += y; if(x >= mod) x -= mod; return x; } inline unsigned mul(unsigned a, unsigned b) { return 1ull * a * b % (unsigned long long) mod; } void ensure_base(int nbase) { if(nbase <= base) return; rev.resize(1 << nbase); rts.resize(1 << nbase); for(int i = 0; i < (1 << nbase); i++) { rev[i] = (rev[i >> 1] >> 1) + ((i & 1) << (nbase - 1)); } assert(nbase <= max_base); while(base < nbase) { int z = mod_pow(root, 1 << (max_base - 1 - base)); for(int i = 1 << (base - 1); i < (1 << base); i++) { rts[i << 1] = rts[i]; rts[(i << 1) + 1] = mul(rts[i], z); } ++base; } } void ntt(vector< int > &a) { const int n = (int) a.size(); assert((n & (n - 1)) == 0); int zeros = __builtin_ctz(n); ensure_base(zeros); int shift = base - zeros; for(int i = 0; i < n; i++) { if(i < (rev[i] >> shift)) { swap(a[i], a[rev[i] >> shift]); } } for(int k = 1; k < n; k <<= 1) { for(int i = 0; i < n; i += 2 * k) { for(int j = 0; j < k; j++) { int z = mul(a[i + j + k], rts[j + k]); a[i + j + k] = add(a[i + j], mod - z); a[i + j] = add(a[i + j], z); } } } } vector< int > multiply(vector< int > a, vector< int > b) { int need = a.size() + b.size() - 1; int nbase = 1; while((1 << nbase) < need) nbase++; ensure_base(nbase); int sz = 1 << nbase; a.resize(sz, 0); b.resize(sz, 0); ntt(a); ntt(b); int inv_sz = inverse(sz); for(int i = 0; i < sz; i++) { a[i] = mul(a[i], mul(b[i], inv_sz)); } reverse(a.begin() + 1, a.end()); ntt(a); a.resize(need); return a; } }; void solve(){ ll n,q; cin>>n>>q; Array a(n),b(q); REP(i,n) cin>>a[i]; REP(i,q) cin>>b[i]; NumberTheoreticTransform< MOD > ntt; auto solve = [&](auto && self,int l, int r)->vec{ if(r-l==1) return vec({(int)((a[l]-1)%MOD),1}); int m=l+r>>1; auto L = self(self,l,m); auto R = self(self,m,r); return ntt.multiply(L,R); }; auto result = solve(solve,0,n); REP(i,q){ cout<>t;REP(i,t) solve(); return 0; }