704.cpp

C++实训教程

//704.CPP demo iostream
#include <iostream.h>
#include <iomanip.h>
istream& PromptHex(istream& is);
main(void)
{
  int n;
  cin >> PromptHex >> n;
  cout << "转换为十进制＝" << n << endl;
  return 0;
}
istream& PromptHex(istream& is)
{
  cin >> hex;
  cout <<"输入十六进制数: ";
  return is;
}

/*
输入十六进制数: fffe
转换为十进制＝65534

*/