Submission #75853864

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int main() {
    int H;
    cin >> H;
    int W;
    cin >> W;
    int a = 0;
    int b = 0;
    if (H == 1 && W == 1) {
      cout << 0;
      goto END;
    }
    if (H == 1) {
      for (int i = 0; i < W; i++) {
        if (0 < i && i < W-1) {
          cout << 2 << " ";
        }
        else if (i == 0) {
          cout << 1 << " ";
        }
        else {
          cout << 1;
        }
      }
      goto END;
    }
    if (W == 1) {
      for (int i = 0; i < H; i++) {
        if (0 < i && i < H-1) {
          cout << 2 << endl;
        }
        else if (i == 0) {
          cout << 1 << endl;
        }
        else {
          cout << 1;
        }
      }
      goto END;
    }
    for (int i = 0; i < H; i++) {
      for (int j = 0; j < W; j++) {
        if (i == 0 || i == H-1) {
          a = 1;
        }
        else {
          a = 0;
        }
        if (j == 0 || j == W-1) {
          b = 1;
        }
        else {
          b = 0;
        }
        cout << 4-a-b;
        if (j < W-1) {
          cout << " ";
        }
        else {
          cout << endl;
        }
      }
    }
    END:
    return 0;
  }

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