#include using namespace std; int main(){ int N, H; cin >> N >> H; bool s = false; if (__builtin_popcount(H) != 1){ s = true; H = N / H; } int X = 1 << __builtin_ctz(N); vector> A(1); for (int i = 1; i <= X; i *= 2){ for (int j = 0; j < i; j++){ A[0].push_back(i); } } for (int i = 1; i < X; i *= 2){ if (i * 2 <= H){ for (int j = 0; j < i; j++){ A.push_back(vector(N / X, N / X * i)); } } else { for (int j = 0; j < H; j++){ for (int k = 0; k < N / X * i / H; k++){ A[j].push_back(N / X * i); } } } } if (s){ vector> B(N / H, vector(H)); for (int i = 0; i < H; i++){ for (int j = 0; j < N / H; j++){ B[j][i] = A[i][j]; } } swap(A, B); H = N / H; } for (int i = 0; i < H; i++){ for (int j = 0; j < N / H; j++){ cout << A[i][j]; if (j < N / H - 1){ cout << ' '; } } cout << endl; } }