void函数中的return

 

 

　　//number==0时，if语句中的return语句就会终止函数的调用以避免出现除数为0的情况 

 

　　// voidReturn.cpp : Defines the entry point for the console application.
　　//

　　#include "stdafx.h"
　　#include <iostream>
　　using namespace std;

　　//void函数中的return语句
　　//

　　void icecreamDivision(int custormerNumber, double icecreamTotalWeight);

　　int main(int argc, char* argv[])
　　{
　　 int number;
　　 double totalWeight;

　　 cout <<"Enter the number of custormers: ";
　　 cin >>number;
　　 cout <<"Enter the weight of ice cream to divided: ";
　　 cin >>totalWeight;
 
 　　icecreamDivision(number, totalWeight) ;

 　　return 0;
　　}

　　void icecreamDivision(int custormerNumber, double icecreamTotalWeight){
 　　　　double portion; //**

 　　　　if (custormerNumber == 0){
  　　　　　　cout <<"Cannot divide among zero customers.\n";
  　　　　　　return ;  　　//如果number为0，则函数执行终止
 　　　　}

　　　　 portion = icecreamTotalWeight / custormerNumber ;

　　　　 cout <<"Each one receives "
   　　　　　　<< portion <<" ounces of ice cream."<<endl;
　　}