12 lines
343 B
Python
12 lines
343 B
Python
def spiral_matrix(n):
|
|
m = [[0] * n for i in range(n)]
|
|
dx, dy = [0, 1, 0, -1], [1, 0, -1, 0]
|
|
x, y, c = 0, -1, 1
|
|
for i in range(n + n - 1):
|
|
for j in range((n + n - i) // 2):
|
|
x += dx[i % 4]
|
|
y += dy[i % 4]
|
|
m[x][y] = c
|
|
c += 1
|
|
return m
|
|
for i in spiral_matrix(5): print(*i)
|