下面C++代码执行后输出是( )。
int foo(float *f)
{
return int(*f*2);
}
int main(){
float fnum[10]={1.1};
fnum[1]=foo(fnum);
cout << fnum[0]+fnum[1] << endl;
cout << endl;
return 0;
1
1.1
3
3.1