Question

How to sum elements of a vector C++

Answer 1

#include <iostream>
#include <numeric> 
#include <vector>
  
int main()
{
    std::vector<int> v{1,2,3,4,5};
      
    int sum = 0;
    
    sum = accumulate(v.begin(), v.end(), sum);
  
    std::cout << sum;
    
    return 0;
}
  
  
  
/*
run:
  
15
  
*/

 

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