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Problem B: 10_A : Fibonacci Number

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Time Limit 1 秒/Second(s) Memory Limit 512 兆字节/Megabyte(s)
提交总数 32 正确数量 20
裁判形式 标准裁判/Standard Judge 我的状态 尚未尝试
难度 分类标签 STL

Fibonacci Number 

Write a program which prints n-th fibonacci number for a given integer n. The n-th fibonacci number is defined by the following recursive formula: 

        

An integer n is given.
Print the n-th fibonacci number in a line.
3
3
0≤n≤44
AOJ
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