#include <deque>
#include <iostream>
#include <numeric>

using namespace std;

int main(int,char**)
{
  deque<float> l;
  
  l.push_back(0.23f);
  l.push_back(0.92f);
  l.push_back(0.11f);
  l.push_back(0.46f);

  cout<<"sum = "
      <<accumulate(l.begin(),l.end(),0.0f) 
      <<endl; 

  return 0;
}