#line 1 "a.cpp" #include using namespace std; #line 1 "/home/kotatsugame/library/math/NTT.cpp" //998244353,3 //469762049,3 //167772161,3 #include template struct NTT{ vectorpp,invpp;//memoize proot^(mod-1>>i) and inv long long power(long long a,int b) { long long ret=1; while(b) { if(b&1)ret=ret*a%mod; a=a*a%mod; b>>=1; } return ret; } void dft(vector&A,bool sign,int id) { if(id==0)return; int N=1<F(N),G(N); for(int i=0;imultiply(vectorA,vectorB) { if(A.empty()||B.empty()) { return(vector){}; } int N=1,sz=0; vectorret(A.size()+B.size()-1); while(N>sz); invpp[sz]=power(pp[sz],mod-2); for(int i=sz-1;i>0;i-=1) { pp[i]=pp[i+1]*pp[i+1]%mod; invpp[i]=invpp[i+1]*invpp[i+1]%mod; } A.resize(N); B.resize(N); dft(A,false,sz); dft(B,false,sz); for(int i=0;i>N>>Q; for(int i=0;i>A[i]; for(int i=0;i>r;B[N-1-r]++; } NTT<998244353,3>P; vectorans=P.multiply(vector(A,A+N),vector(B,B+N)); for(int i=N;i