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Problem1230--走楼梯(stairs) [1*+]
1230: 走楼梯(stairs) [1*+]
Time Limit:
1
Sec
Memory Limit:
128 MB
Submit:
81
Solved:
44
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Description
走楼梯(stairs)
【问题】有一楼梯共n级,如规定每次只能跨上一级或两级,要登上第n级,共有多少种不同走法?
【输入】n 【输出】走法总
Source/Category
基础算法-递推