题解 | #跳台阶扩展问题#
跳台阶扩展问题
http://www.nowcoder.com/practice/953b74ca5c4d44bb91f39ac4ddea0fee
推几个就发现是2倍的关系:
n=int(input()) arr=[1 for i in range(n)] for i in range(1,n): if i==1: arr[i]=2 else: arr[i]=arr[i-1]*2 print(arr[-1])
跳台阶扩展问题
http://www.nowcoder.com/practice/953b74ca5c4d44bb91f39ac4ddea0fee
n=int(input()) arr=[1 for i in range(n)] for i in range(1,n): if i==1: arr[i]=2 else: arr[i]=arr[i-1]*2 print(arr[-1])
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