passarr.cpp

来自「本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向」· C++ 代码 · 共 26 行

// passarr.cpp
// array passed by pointer
#include <iostream>
using namespace std;
const int MAX = 5;           //number of array elements

int main()
   {
   void centimize(double*);  //prototype

   double varray[MAX] = { 10.0, 43.1, 95.9, 59.7, 87.3 };

   centimize(varray);        //change elements of varray to cm

   for(int j=0; j<MAX; j++)  //display new array values
      cout << "varray[" << j << "]="
           << varray[j] << " centimeters" << endl;
   return 0;
   }
//--------------------------------------------------------------
void centimize(double* ptrd)
   {
   for(int j=0; j<MAX; j++)
      *ptrd++ *= 2.54;       //ptrd points to elements of varray
   }