错误是[Error] ld returned 1 exit status
#include<stdio.h>
int Fibonacci(int);
int mian()
{
int t;
scanf("%d",&t);
t=Fibonacci(t);
printf("%d",t);
return 0;
}
int Fibonacci(int n)
{
int t;
if(n==0)t=0;
else if(n==1)t=1;
else if(n>=2)t=Fibonacci(n-1)+Fibonacci(n-2);
return t;
}