题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
num = int(input())
l = [1]
for i in range(2, num + 1):
l.append(l[i - 2] + i)
print(" ".join(list(map(str, l))))
for j in l:
l.pop(0)
l = list(map(lambda x: x - 1, l))
print(" ".join(list(map(str, l))))
