#include #include #include #include #include using namespace std; using ll = long long; #include using mint = atcoder::modint998244353; mint comb[3010][3010]; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); comb[0][0] = 1; for(int i = 1;i<3010;i++){ comb[i][i] = comb[i][0] = 1; for(int j = 1;j>n>>l; vector ans(n+1,0); vector a(n); for(int i = 0;i>a[i]; for(int i = 0;i=n) break; ans[i+j] += tmp * comb[cnt][j]; } } } for(int i = 0;i