package?demo; import?java.util.Scanner; public?class?demo1003?{ ?????public?static?void?main(String[]?args){ ???? ?int?i,N;??? ?????????System.out.println("請輸入想要獲取裴波那契的第幾項數值！"); ?????????Scanner?input=new?Scanner(System.in); ?????????N=input.nextInt(); ?????????int[]?a={0,1}; ?????????if(N==0){ ???????? System.out.println(a[0]); ?????????} ?????????else?if(N==1){ ???????? ?System.out.println(a[1]); ?????????} ?????????else?{ ???????? ?for(i=2;i<=N;i++){ ???????? ?a[i]=a[i-1]+a[i-2]; ???????? ?} ???????? ?System.out.println(a[N]); ?????????}? ? ?????} }