题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
a=int(input())
for i in range(1,a+1):
for j in range(i,a+1):
b=int((j*(j+1)+2)/2-i)
if j==a and i!=a:
print(b,end='\n')
elif i==a:
print(b,end='')
else :
print(b,end=' ')
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