if(n<2){
return?n;
}else{
return?fib(n-1)?+?fib(n-2);
}
另壹個全排列妳參考?
/link?url=PJv575dphIbDPyz5VTkMhrDPphwi4W5_d1O5fgSxfR-dNZEBS944sL4MQrsFPgJrRsEInIlXH5wJi4t7MDAfhK
吧