# Demonstrating the generic accumulate algorithm with a reverse iterator : accumulate « STL Algorithms Helper « C++

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 C++ » STL Algorithms Helper » accumulate Screenshots
Demonstrating the generic accumulate algorithm with a reverse iterator
 ```     #include  #include  #include  #include   // For accumulate using namespace std;  int main() {   float small = (float)1.0/(1 << 26);   float x[5] = {1.0, 3*small, 2*small, small, small};      vector vector1(&x[0], &x[5]);    cout << "Values to be added: " << endl;   vector::iterator i;   cout.precision(10);   for (i = vector1.begin(); i != vector1.end(); ++i)     cout << *i << endl;   cout << endl;   float sum1 = accumulate(vector1.rbegin(), vector1.rend(),(float)0.0);   cout << "Sum accumulated from right = " << (double)sum1 << endl;   return 0; } /*  Values to be added: 1 4.470348358e-008 2.980232239e-008 1.490116119e-008 1.490116119e-008 Sum accumulated from right = 1.000000119  */                ```
Related examples in the same category
 1 Calculate sum of elements in a vector 2 Algorithm: Use accumulate to calculate product 3 Illustrating the generic accumulate algorithm with predicate 4 accumulate( ) computes a summation of all of the elements within a specified range and returns the result. 5 Use accumulate() and minus() 6 Use accumulate to calculate sum for double array with minus() 7 Compute the mean float mean with accumulate function 8 accumulate value in a vector 9 Finding the Mean Value