题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
n=int(input()) lst=[] tps=[] for i in range(1,n+1): res=tps[1:] if i==1: for p in range(1,n-i+2): res.append(p*(p+1)//2) else: for p in range(n-i+1): res[p]=tps[p+1]-1 lst.append(res) tps=res for i in lst: t=map(str,i) print(' '.join(t))