filonacci.java

来自「class NumberListener implements ActionLi」· Java 代码 · 共 31 行

import java.io.*;
public class Filonacci
{
	static int fib(int n)
	{
		int f1=1,f2=1;
		int temp=0;
		if(n<=2)
			retrun 1;
		else
			for(int i=0;i<n-2;i++)
			{ temp=f1+f2;
			f1=f2;
			f2=temp;
			}
		return temp;
		
	}
public static void main(String args[])
	{
		int n=0;
			try
			{ System.out.print("你要输入第几项:");
			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
			n=Integer.parseInt(br.readLine());
			}
			catch (IOException ex){}
			System.out.println("第"+n+"项是:"+fib(n));
		
	}
}