Calculate sum of elements in a vector : accumulate « STL Algorithms Helper « C++

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C++ » STL Algorithms Helper » accumulateScreenshots 
Calculate sum of elements in a vector
  
 
#include <iostream>
using std::cout;
using std::endl;

#include <algorithm>
#include <numeric>
#include <vector>
#include <iterator>

int main()
{
   std::ostream_iterator< int > outputcout, " " );

   int a210 10028150388910 };
   std::vector< int > v2a2, a2 + 10 )// copy of a2
   cout << "\n\nVector v2 contains: ";
   std::copyv2.begin(), v2.end(), output );

   // calculate sum of elements in v
   cout << "\n\nThe total of the elements in Vector v is: "
      << std::accumulatev2.begin(), v2.end());

   cout << endl;
   return 0;
}

/* 


Vector v2 contains: 100 2 8 1 50 3 8 8 9 10

The total of the elements in Vector v is: 199

 */        
    
  
Related examples in the same category
1.Algorithm: Use accumulate to calculate product
2.Demonstrating the generic accumulate algorithm with a reverse iterator
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
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