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标题: 【求助】缺少函数头什么意思 [打印本页]

作者: 残恋思香 时间: 2009-11-6 01:50
标题: 【求助】缺少函数头什么意思
#include<iostream>
#define SIZE 10
using namespace std;
class CStack
{
private:
      int position;
      char stk[SIZE];
public:
      void init(){position=0;}
      char push(char ch);
      char pop();
};
char CStack::push(char ch)
{
if (position==SIZE)
{
      cout<<" stack is full"<<endl;
      return 0;
}
stk[position++]=ch;
return ch;
};
char CStack::pop();
{
if(position==0)
{
      cout<<"stack is null"<<endl;
      return 0;
}
return str[position--];
};
int main()
{
CStack s;
s.init();
char ch;
while(ch!='!'&&s.push(ch))
      cin>>ch;
while(ch=s.pop())
      cout<<ch;
return 0;
}

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