package bianchengti; /* * 输入一个整数n,输出契波那契数列的第n项 * 斐波那契数列:1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89... */ public class Fibonacci { public static int FibValue(int n) { if(n<=0) { return 0; }else if(n==1){ return 1; }else if(n==2) { return 1; }else { return F