fig26_10.cpp

C程序设计经典教程第5版程序示例,比较适合初级c语言的学生

// Fig. 26.10: Fig26_10.cpp 
// Demonstrating member function width.
#include <iostream>
using std::cin;
using std::cout;
using std::endl;

int main()
{
   int widthValue = 4;
   char sentence[ 10 ];

   cout << "Enter a sentence:" << endl;
   cin.width( 5 ); // input only 5 characters from sentence

   // set field width, then display characters based on that width 
   while ( cin >> sentence ) 
   {
      cout.width( widthValue++ );
      cout << sentence << endl;
      cin.width( 5 ); // input 5 more characters from sentence
   } // end while

   return 0;
} // end main

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