Vector And Sort (See related posts)

   1  
   2  #include "stdafx.h"
   3  #include <string>
   4  #include <iostream>
   5  #include <algorithm>
   6  #include <vector>
   7  #include <utility>
   8  using namespace std;
   9  
  10  int main()
  11  {
  12  	vector<double> homework;
  13  
  14  	double x;
  15  	while(cin >> x)
  16  	{
  17  		homework.push_back(x);
  18  	}
  19  
  20  	vector<int>::size_type size = homework.size();
  21  	if(size == 0)
  22  	{
  23  		cout << "The size must not be Zero" << endl;
  24  		return 1;
  25  	}
  26  
  27  	sort(homework.begin(), homework.end());
  28  	vector<int>::size_type mid = size / 2;
  29  
  30  	double median = (size % 2 == 0) ? (homework[mid] + homework[mid+1]) / 2 : homework[mid];
  31  
  32  	cout << "The median is " << median << endl;
  33  }