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京师海码 OJ
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Start
2024-01-13 09:00:00
L2阶段测评
End
2025-03-10 00:00:00
Contest is over.
Now
2025-10-14 01:32:38
Information
Problem
Status
Standing
Clarification
Editorial
A
B
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D
E
F
G
H
I
J
K
L
M
M. 斐波那契数列
Description
用递归函数输出斐波那契数列第n项。0,1,1,2,3,5,8,13……
Input
一个正整数n,表示第n项。
Output
第n项是多少。
Examples
Input
3
Output
1
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Time Limit
1 second
Memory Limit
128 MB
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