题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
n = int(input())
for i in range(n):
line = []
a = 1
for j in range(i+1):
a += j
line.append(str(a))
for k in range(1,n-i):
b = a
for m in range(k):
b = b+2+i+m
line.append(str(b))
print(' '.join(line))
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