不开心？写会儿代码冷静冷静……

Problem Description
Your objective for this question is to develop a program which will generate a fibbonacci number. The fibbonacci function is defined as such:

f(0) = 0
f(1) = 1
f(n) = f(n-1) + f(n-2)

Your program should be able to handle values of n in the range 0 to 50.

Input
Each test case consists of one integer n in a single line where 0≤n≤50. The input is terminated by -1.

Output
Print out the answer in a single line for each test case.

Sample Input
3
4
5
-1

Sample Output
2
3
5

Hint
Note:

you can use 64bit integer: __int64

一道水题。注意结束条件是-1.__int64 的输出格式是I64d(大小写敏感)。

代码：

#include
int main()
{
	__int64 a[51]={0,1};
	int s;
	for(s=2;s
原文标题：HDOJ2070:Fibbonacci Number——一道水题|落絮飞雁的个人网站
原文链接：https://www.luoxufeiyan.com/2015/06/07/hdoj2070/
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