题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
from re import M
n=int(input())
l=[]
m=1
for i in range(1,n+1):
l.append([])
for x in range(1,i+1):
a=i-x
l[int(a)].append(m)
m+=1
for i in range(n):
for x in range(n-i-1):
print(l[i][x],end=" ")
print(l[i][-1])
