Find the runtime function as a function n. Remember f count each operative statement (of course comments don't count).

Also write the order ("Big O"). Show work.

#include using namespace std;

int sum =0, k = 1; int add(int n) { sum =sum + k; k++; if(k-1 == n) return sum; else return add(n); ; } int main() { int x = 0; cout<<"enter num"<>x; cout<