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  1. # 0J/QsNGA0YXQvtC80LXQvdC60L4g
  2. def is_prime(n):
  3.     if n < 2:
  4.         return False
  5.     for i in range(2, int(n**0.5) + 1):
  6.         if n % i == 0:
  7.             return False
  8.     return True
  9.  
  10.  
  11. def spiral_matrix(rows, cols):
  12.     matrix = [[0] * cols for _ in range(rows)]
  13.     num = 1
  14.     left, right, top, bottom = 0, cols - 1, 0, rows - 1
  15.  
  16.     while left <= right and top <= bottom:
  17.         for j in range(left, right + 1):
  18.             matrix[top][j] = num
  19.             num += 1
  20.         top +=1
  21.  
  22.  
  23.  
  24.         for i in range(top, bottom + 1):
  25.             matrix[i][right] = num
  26.             num += 1
  27.         right -= 1
  28.  
  29.  
  30.         if top <= bottom:
  31.             for j in range(right, left -1, -1):
  32.                 matrix[bottom][j] = num
  33.                 num += 1
  34.             bottom -= 1
  35.  
  36.  
  37.         if left <= right:
  38.             for i in range(bottom, top -1, -1):
  39.                 matrix[i][left] = num
  40.                 num += 1
  41.  
  42.     return matrix
  43.  
  44. rows = 30
  45. cols = 30
  46.  
  47. matrix = spiral_matrix(rows, cols)
  48. new_matrix = [[1 if is_prime(num) else 0 for num in row] for row in matrix]
  49. print("\nmatrix")
  50. for row in new_matrix:
  51.     print(*row)
Success #stdin #stdout 0.09s 14180KB
comments (?)
stdin 
Standard input is empty
stdout 
matrix
0 1 1 0 1 0 1 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1
1 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0
0 0 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0
1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1
1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1
1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 0 1 1 0 1 1
0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 0 1 0 1
0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 1 0
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 1
0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0
0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0
0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0
0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 1
https://ideone.com/uEVKgf
language:
Python 3 (python  3.12)
created:
12 days ago
visibility:
public

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