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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int b[500][500];
  4. int tile = 1;
  5.  
  6. void TileBoard(int Start_x, int Start_y, int x, int y, int Size)
  7. {
  8.     if(Size==1)
  9.         return;
  10.     int t = tile++;
  11.     int s = Size/2;
  12.  
  13.     if (x<Start_x+s && y<Start_y+s)  ///top-left
  14.         TileBoard(Start_x, Start_y, x, y, s);
  15.     else
  16.     {
  17.         b[Start_x+s-1][Start_y+s-1] = t;
  18.         TileBoard(Start_x, Start_y, Start_x+s-1, Start_y+s-1, s);
  19.     }
  20.  
  21.     if (x<Start_x+s && y>=Start_y+s)  ///top-right
  22.         TileBoard(Start_x, Start_y+s, x, y, s);
  23.     else
  24.     {
  25.         b[Start_x+s-1][Start_y+s] = t;
  26.         TileBoard(Start_x, Start_y+s, Start_x+s-1, Start_y+s, s);
  27.     }
  28.  
  29.     if (x>=Start_x+s && y<Start_y+s)  ///bottom-left
  30.         TileBoard(Start_x+s, Start_y, x, y, s);
  31.     else
  32.     {
  33.         b[Start_x+s][Start_y+s-1] = t;
  34.         TileBoard(Start_x+s, Start_y, Start_x+s, Start_y+s-1, s);
  35.     }
  36.  
  37.     if (x>=Start_x+s && y>=Start_y+s)  ///bottom-right
  38.         TileBoard(Start_x+s, Start_y+s, x, y, s);
  39.     else
  40.     {
  41.         b[Start_x+s][Start_y+s] = t;
  42.         TileBoard(Start_x+s, Start_y+s, Start_x+s, Start_y+s, s);
  43.     }
  44. }
  45.  
  46. int main()
  47. {
  48.     int n, x, y;
  49.     cin>>n>>x>>y;
  50.     TileBoard(1, 1, x, y, n); ///Let,Start point is (1,1)
  51.     b[x][y] = -1; ///Let,defect point is -1
  52.     for(int i = 1; i <= n; i++)
  53.     {
  54.         for(int j = 1; j <= n; j++)
  55.         {
  56.             cout<<setw(3)<<b[i][j]<<" ";
  57.         }
  58.         cout<<endl;
  59.     }
  60.     return 0;
  61. }
  62.  
Success #stdin #stdout 0s 16216KB
comments (?)
stdin
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4 3 2
stdout
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  2   2   3   3 
  2   1   1   3 
  4  -1   1   5 
  4   4   5   5
https://ideone.com/iON4V4
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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