题解 | #蛇形矩阵#
蛇形矩阵
http://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
num = int(input())
def juzhen(num):
start = 1
for i in range(num):
start += i
mid = start
for j in range(i,num):
print(mid,end=' ')
mid = mid + j + 2
print('\n',end='')
juzhen(num)
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