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  1. n = input('Input an integer(from 1 to 10, inclusive): ')
  2. N = 2*n+1
  3. a = [ [ 0 for _ in range(N) ] for _ in range(N) ]
  4. r, c, now = 0, n, 1
  5. while now <= N*N:
  6.   a[r][c] = now
  7.   if now % N == 0:
  8.     r = (r + 1) % N
  9.   else:
  10.     r -= 1
  11.     c = (c + 1) % N
  12.   now += 1
  13. for r in range(N):
  14.   for c in range(N):
  15.     print('%4d' % a[r][c]),
  16.   print
Success #stdin #stdout 0.08s 8888KB
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Input an integer(from 1 to 10, inclusive):   30   39   48    1   10   19   28
  38   47    7    9   18   27   29
  46    6    8   17   26   35   37
   5   14   16   25   34   36   45
  13   15   24   33   42   44    4
  21   23   32   41   43    3   12
  22   31   40   49    2   11   20
https://ideone.com/1waFEP
language:
Python (cpython 2.7.16)
created:
11 years ago
visibility:
secret

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