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  1. S, a = map(int, input().split())
  2. n = a - 1
  3.  
  4. SIZE = 200
  5. grid = [[' '] * SIZE for _ in range(SIZE)]
  6.  
  7. def draw_E(row, col):
  8.     #hang giu nguyen, cot thay doi(dich sang phai, tuc col += 1)
  9.     for _ in range(n):
  10.         col += 1
  11.         grid[row][col] = "*"
  12.  
  13.     return row, col
  14.  
  15. def draw_W(row, col):
  16.     #hang giu nguyen, cot thay doi(dich sang trai  tuc col -= 1)
  17.     for _ in range(n):
  18.         col -= 1
  19.         grid[row][col] = "*"
  20.  
  21.     return row, col
  22.  
  23. def draw_S(row, col):
  24.     #Hang thay doi(hang dich xuong duoi => row += 1), cot giu nguyen
  25.     for _ in range(n):
  26.         row += 1
  27.         grid[row][col] = "*"
  28.  
  29.     return row, col
  30.  
  31. def draw_N(row, col):
  32.     #Hang thay doi(Hang dich len tren -> row -= 1), cot giu nguyen
  33.     for _ in range(n):
  34.         row -= 1
  35.         grid[row][col] = "*"
  36.  
  37.     return row, col
  38.  
  39. def draw_SE(row, col):
  40.     #Hang phai dich xuong duoi => row += 1
  41.     #Cot phai dich sang phai => col += 1
  42.     for _ in range(n):
  43.         row += 1
  44.         col += 1
  45.         grid[row][col] = "*"
  46.  
  47.     return row, col
  48.  
  49. def draw_SW(row, col):
  50.     #Hang phai dich xuong duoi => row += 1
  51.     #Cot phai dich sang trai => col -= 1
  52.     for _ in range(n):
  53.         row += 1
  54.         col -= 1
  55.         grid[row][col] = "*"
  56.  
  57.     return row, col
  58.  
  59. def draw_NW(row, col):
  60.     #Hang phai dich len tren => row -= 1
  61.     #Cot phai dich sang trai => col -= 1
  62.     for _ in range(n):
  63.         row -= 1
  64.         col -= 1
  65.         grid[row][col] = "*"
  66.  
  67.     return row, col
  68.  
  69. def draw_NE(row, col):
  70.     #Hang phai dich len tren => row -= 1
  71.     #Cot phai dich sang phai => col += 1
  72.     for _ in range(n):
  73.         row -= 1
  74.         col += 1
  75.         grid[row][col] = "*"
  76.  
  77.     return row, col
  78.  
  79. #Chon diem xuat phat(co the o bat ki dau nhung chon lam` sao cho khi ve khong bi lech ra ngoai)
  80. row, col = 100, 100
  81. grid[row][col] = "*"
  82.  
  83. if S == 3:
  84.     row, col = draw_E(row, col)
  85.     row, col = draw_SW(row, col)
  86.     row, col = draw_N(row, col)
  87.  
  88. elif S == 4:
  89.     row, col = draw_E(row, col)
  90.     row, col = draw_S(row, col)
  91.     row, col = draw_W(row, col)
  92.     row, col = draw_N(row, col)
  93.  
  94. elif S == 6:
  95.     row, col = draw_E(row, col)
  96.     row, col = draw_SE(row, col)
  97.     row, col = draw_SW(row, col)
  98.     row, col = draw_W(row, col)
  99.     row, col = draw_NW(row, col)
  100.     row, col = draw_NE(row, col)
  101.  
  102. else:  # S == 8
  103.     row, col = draw_E(row, col)
  104.     row, col = draw_SE(row, col)
  105.     row, col = draw_S(row, col)
  106.     row, col = draw_SW(row, col)
  107.     row, col = draw_W(row, col)
  108.     row, col = draw_NW(row, col)
  109.     row, col = draw_N(row, col)
  110.     row, col = draw_NE(row, col)
  111.  
  112. #Tim hinh chu nhat nho nhat chua hinh
  113. top = SIZE       
  114. bottom = -1      
  115. left = SIZE
  116. right = -1
  117.  
  118. for i in range(SIZE):
  119.     for j in range(SIZE):
  120.         if grid[i][j] == '*':        
  121.             top = min(top, i)       
  122.             bottom = max(bottom, i)  
  123.             left = min(left, j)      
  124.             right = max(right, j)    
  125.  
  126. # In ra, bỏ khoảng trắng thừa cuối mỗi dòng
  127. for i in range(top, bottom + 1):
  128.     line = ''.join(grid[i][left:right + 1])
  129.     print(line.rstrip())
Success #stdin #stdout 0.09s 14168KB
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     ******
    *      *
   *        *
  *          *
 *            *
*              *
 *            *
  *          *
   *        *
    *      *
     ******
https://ideone.com/fLBopX
language:
Python 3 (python  3.12)
created:
20 hours ago
visibility:
public

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