digits.cpp

C++上机课的习题答案

// digits.cpp
//从左至右分别提取一个5位数整数各位数上的数字
//提示:综合使用运算符/和% 
//思考：如果从右至左该怎么做？ 
#include <iostream>

using std::cout;
using std::cin;
using std::endl;

int main()
{
   int number;

   cout << "Enter a five-digit number: ";
   cin >> number;

   /* Write a statement to print the left-most digit of the 
      5-digit number */   
   /* Write a statement that changes number from 5-digits 
      to 4-digits */ 
   /* Write a statement to print the left-most digit of the 
      4-digit number */
   /* Write a statement that changes number from 4-digits
      to 3-digits */
   /* Write a statement to print the left-most digit of the
      3-digit number */
   /* Write a statement that changes number from 3-digits
      to 2-digits */
   /* Write a statement to print the left-most digit of the
      2-digit number */
   /* Write a statement that changes number from 2-digits 
      to 1-digit */
   cout << number << endl;
   
   system("PAUSE");
   return 0;

} // end main