Answers for "adding numbers to a vector c++"

sum vector c++

vector<int> v{1,2,3,4,5,6,7,8,9};
  int sum = 0;
//Method 1:
  sum = accumulate(v.begin(), v.end(), 0);
//Method 2: 
  for(auto& i : v) sum+=i;

Posted by: Guest on June-05-2021

C++ sum a vector of digits

// Sum digits in vector
int digit_sum(vector<int> num) {
    int sum = 0;
    for (auto x : num) sum += x;
    return sum;
}

Posted by: Guest on April-21-2021

Code answers related to "adding numbers to a vector c++"