"accumulate vector c++" Code Answer's
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accumulate c++
#include <numeric> // Accumulate
#include <vector> // Vector
using namespace std;
int main()
{
vector<int> nums{1,2,3,4,5};
int sum = 0;
sum = accumulate(nums.begin(), nums.end(), sum);
// nums.begin() -> first number in a list
// nums.end() -> last number in a list
// sum -> starting value before accumulating: Here its 0
}
accumulate vector c++
//Syntax
accumulate(first, last, sum);
accumulate(first, last, sum, myfun);
first, last : first and last elements of range
whose elements are to be added
sum : initial value of the sum
myfun : a function for performing any
specific task. For example, we can
find product of elements between
first and last.
//Example
int a[] = {5 , 10 , 15} ;
int res = accumulate(a,a+3,0); // 30
accumulate in cpp
accumulate(start, end, initial_sum);
Source: www.includehelp.com
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