#ifndef HIDDEN_IN_VS // 折りたたみ用 // 警告の抑制 #define _CRT_SECURE_NO_WARNINGS // ライブラリの読み込み #include using namespace std; // 型名の短縮 using ll = long long; // -2^63 ~ 2^63 = 9 * 10^18(int は -2^31 ~ 2^31 = 2 * 10^9) using pii = pair; using pll = pair; using pil = pair; using pli = pair; using vi = vector; using vvi = vector; using vvvi = vector; using vl = vector; using vvl = vector; using vvvl = vector; using vb = vector; using vvb = vector; using vvvb = vector; using vc = vector; using vvc = vector; using vvvc = vector; using vd = vector; using vvd = vector; using vvvd = vector; template using priority_queue_rev = priority_queue, greater>; using Graph = vvi; // 定数の定義 const double PI = acos(-1); const vi DX = { 1, 0, -1, 0 }; // 4 近傍(下,右,上,左) const vi DY = { 0, 1, 0, -1 }; int INF = 1001001001; ll INFL = 4004004004004004004LL; double EPS = 1e-12; // 許容誤差に応じて調整 // 入出力高速化 struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp; // 汎用マクロの定義 #define all(a) (a).begin(), (a).end() #define sz(x) ((int)(x).size()) #define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x)) #define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x)) #define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");} #define YES(b) {cout << ((b) ? "YES\n" : "NO\n");} #define rep(i, n) for(int i = 0, i##_len = ll(n); i < i##_len; ++i) // 0 から n-1 まで昇順 #define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s から t まで昇順 #define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s から t まで降順 #define repe(v, a) for(const auto& v : (a)) // a の全要素(変更不可能) #define repea(v, a) for(auto& v : (a)) // a の全要素(変更可能) #define repb(set, d) for(int set = 0; set < (1 << int(d)); ++set) // d ビット全探索(昇順) #define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a の順列全て(昇順) #define smod(n, m) ((((n) % (m)) + (m)) % (m)) // 非負mod #define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} // 重複除去 #define EXIT(a) {cout << (a) << endl; exit(0);} // 強制終了 // 汎用関数の定義 template inline ll pow(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; } template inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // 最大値を更新(更新されたら true を返す) template inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // 最小値を更新(更新されたら true を返す) // 演算子オーバーロード template inline istream& operator>>(istream& is, pair& p) { is >> p.first >> p.second; return is; } template inline istream& operator>>(istream& is, vector& v) { repea(x, v) is >> x; return is; } template inline vector& operator--(vector& v) { repea(x, v) --x; return v; } template inline vector& operator++(vector& v) { repea(x, v) ++x; return v; } // 手元環境(Visual Studio) #ifdef _MSC_VER #include "local.hpp" // 提出用(gcc) #else inline int popcount(int n) { return __builtin_popcount(n); } inline int popcount(ll n) { return __builtin_popcountll(n); } inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; } inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; } inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; } inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; } #define gcd __gcd #define dump(...) #define dumpel(v) #define input_from_file(f) #define output_to_file(f) #endif #endif // 折りたたみ用 //--------------AtCoder 専用-------------- #include using namespace atcoder; using mint = modint1000000007; //using mint = modint998244353; //using mint = modint; // mint::set_mod(m); istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; } ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; } using vm = vector; using vvm = vector; using vvvm = vector; //---------------------------------------- //【約数列挙】O(√n) /* * n の約数全てをリスト ds に昇順に格納する. */ void divisors(ll n, vl& ds) { // verify : https://algo-method.com/tasks/346 ds.clear(); if (n == 1) { ds.push_back(1); return; } ll i = 1; for (; i * i < n; i++) { if (n % i == 0) { ds.push_back(i); ds.push_back(n / i); } } if (i * i == n) ds.push_back(i); sort(all(ds)); } // 何故か幅 1 に限定すると思いこんでしまっていた. void WA() { ll n, h; cin >> n >> h; vl ds; divisors(n, ds); ds.pop_back(); if (h == 1) { int c = 0; repe(d, ds) rep(hoge, d) { cout << d; if (c < n - 1) cout << " "; c++; } cout << endl; } else if (h == 2) { int m = sz(ds); int c = 0; rep(i, m - 1) rep(hoge, ds[i]) { cout << ds[i]; if (c < n / 2 - 1) cout << " "; c++; } cout << endl; c = 0; rep(hoge, ds[m - 1]) { cout << ds[m - 1]; if (c < n / 2 - 1) cout << " "; c++; } cout << endl; } else if (n == h) { repe(d, ds) rep(hoge, d) cout << d << endl; } else if (n == 2 * h) { int m = sz(ds); rep(i, m - 1) rep(hoge, ds[i]) cout << ds[i] << " " << ds[m - 1] << endl; } else { cout << -1 << endl; } } //【転置】O(h w) /* * a[0..h)[0..w) を転置したものを b に格納する. */ template void transpose(const vector>& a, vector>& b) { // verify : https://yukicoder.me/problems/no/1974 int h = sz(a), w = sz(a[0]); b = vector>(w, vector(h)); rep(i, h) { rep(j, w) { b[j][i] = a[i][j]; } } } int main() { // input_from_file("input.txt"); // output_to_file("output.txt"); int n, h; cin >> n >> h; vl ds; divisors(n, ds); ds.pop_back(); map mel{ {6, 3}, {28, 7}, {496, 31}, {8128, 127} }; map pow{ {6, 1}, {28, 2}, {496, 4}, {8128, 6} }; bool swap_flag = false; if (h % mel[n] == 0) { h = n / h; swap_flag = true; } int w = n / h; vvi res(h, vi(w)); int k = h / 2, i0 = 0; while(k >= 1) { repi(i, i0, i0 + k - 1) { rep(j, w) { res[i][j] = k * w; } } i0 += k; k /= 2; } int j0 = 0; repe(d, ds) { if (d >= w) continue; repi(j, j0, j0 + d - 1) { res[h - 1][j] = d; } j0 += d; } if (swap_flag) { vvi res2; transpose(res, res2); res = res2; swap(h, w); } rep(i, h) { rep(j, w) { cout << res[i][j] << " "; } cout << endl; } }