xt4-10.cpp

来自「最新版谭浩强《c++语言程序设计》所有习题的原代码」· C++ 代码 · 共 27 行

#include <iostream>
using namespace std;
int main()
{void convert(int n);
 int number;
 cout<<"input an integer:";
 cin>>number;
 cout<<"output:"<<endl;
 if (number<0)
  {cout<<"-";
   number=-number;
   }
  convert(number);
  cout<<endl;
  return 0;
} 

void convert(int n)
 {int i;
  char c;
  if ((i=n/10)!=0)
    convert(i);
  c=n%10+'0';
  cout<<" "<<c;
  }