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