#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; const ll mod = 1000000007; const ll INF = (ll)1000000007 * 1000000007; typedef pair P; #define rep(i, n) for (int i = 0; i < n; i++) #define per(i, n) for (int i = n - 1; i >= 0; i--) #define Rep(i, sta, n) for (int i = sta; i < n; i++) #define Per(i, sta, n) for (int i = n - 1; i >= sta; i--) typedef long double ld; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair LP; int dx[8] = {1, -1, 0, 0, 1, 1, -1, -1}; int dy[8] = {0, 0, 1, -1, 1, -1, 1, -1}; template using max_heap = priority_queue; template using min_heap = priority_queue, greater<>>; template bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } int n, h; void solve() { cin >> n >> h; int w = n / h; vector> v(h, vector(w)); int a = 1, b = 1; while (h % 2 == 0) { h /= 2; a *= 2; } while (w % 2 == 0) { w /= 2; b *= 2; } bool f = false; if (a > b) { swap(a, b); f = true; } vector> v2(a, vector(b)); int pos = 0; for (int d = a; d < a * b; d *= 2) { rep(i, a) rep(j, d / a) { v2[i][pos + j] = d; } pos += d / a; } pos = 1; for (int d = 1; d < a; d *= 2) { rep(i, d) v2[pos + i][b - 1] = d; pos += d; } // cout << a << " " << b << " " << f << endl; if (f) { vector> v3(b, vector(a)); rep(i, b) rep(j, a) v3[i][j] = v2[j][i]; v2 = v3; swap(a, b); } // cout << a << " " << b << endl; // cout << h << " " << w << endl; // rep(i, a) { // rep(j, b) cout << v2[i][j] << " "; // cout << "" << endl; // } rep(i, a) { rep(j, b) { // cout << v2[i][j] << " "; if (h > 1) { if (v2[i][j] == 0) { int x = 1; Rep(k, 1, h + 1) { v[i * h + k - 1][j] = x; if (x * 2 == k + 1) x *= 2; } } else rep(k, h) { v[i * h + k][j] = v2[i][j] * h; } } else { if (v2[i][j] == 0) { int x = 1; Rep(k, 1, w + 1) { v[i][j * w + k - 1] = x; if (x * 2 == k + 1) x *= 2; } } else rep(k, w) { v[i][j * w + k] = v2[i][j] * w; } } // rep(i, h * a) { // rep(j, w * b) { cout << v[i][j] << " "; } // cout << "" << endl; // } } // cout << "" << endl; } for (auto v_ : v) { for (int t : v_) cout << t << " "; cout << "" << endl; } } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(50); solve(); }