bubble_sort

#include <iostream>
#include <utility>
#include <sstream>

using namespace std;

void bubble_sort(double * array, unsigned int size) {
  unsigned int i, j;
  bool sorted = false;
  while(!sorted) {
  sorted = true
    for( i=0; i < size; i++)
    { 
      if (  array[i+1] < array[i] )
      {
          swap(array[i+1],array[i]);
          sorted = false;
      }
    }
}

bool read (istream & stream, double* &array, unsigned int &size) {
    bool res = true;
    for (unsigned int i=0; i < size; i++) {
        if (!(stream >> array[i])) {
            res = false;
            break;
        }
    }
    return res;
}

void write(ostream & stream,double* array, unsigned int size) {
    for (unsigned int i = 0; i < size; i++) {
         stream << array[i] << ' ';
    }
}

int main() {
    unsigned int size;
    double* array;
    if(!(cin >> size)) {
        cout << "An error has occured while reading numbers from line";
        return 1;
        }
    cin.get();
    string string;
    getline(cin, string);
    istringstream stream(string);
    array = new double [size];
    if( read(stream,array, size)) {
        bubble_sort (array, size);
        write (cout, array, size);
    }
    else {
        cout << "An error has occured while reading numbers from line";
    }
    delete[] array;
}