递归 b+1 b++

Posted 2020-10-26 兔子子子

#include<iostream>
using namespace std;
void f(int b,int e)
{
if(b<=e)
{
cout<<b<<endl;
f(b+1,e);//必须是b+1  b++不对
}
else return;
}
int main()
{
f(0,9);
return 0;
}