Sum in Vector ( Method - 2 )

// CPP program to illustrate

// Application of size() function

#include <iostream>

#include <vector>

using namespace std;

int main()

{

int sum = 0;

vector<int> myvector{ 1, 5, 6, 3, 9, 2 };

while (myvector.size() > 0) {

sum = sum + myvector.back();

myvector.pop_back();

}

cout << sum;

return 0;

}