【提问】为什么下面的程序有错误,求解,哪里错了.

#include <iostream>
using namespace std;
int carrots;
int carrot()
{
carrots=carrots+2;
cout<<"你有"<<carrots <<"个萝卜了！ ";
}
int main()
{
cout<<"有几个萝卜？\n";
cin>>carrots;
cout<<"你敢不敢按下回车？";
cin.get();
cin.get();
cout<<"你还真敢按啊？有种再按一次？";
cin.get();
cout<<"再多给你两个吧～";
carrot();
}