main.cpp

易学c++源码

#include <iostream>
using namespace std;
void stack(char c);
int main()
{
	char a;
	cin >>a;
	stack(a);
	cout <<endl;
	return 0;
}
void stack(char c)
{
	if (c!='#')
	{
		char d;
		cin >>d;
		stack(d);
		cout <<c;
		return;
	}
	else
	{
		return;
	}
}