while_loop_summation.c

#include <iostream>
int main ()

{
  int i;
  std::cout  << "please enter an integer value: ";
  std::cin >> i;
  int b=i;
  int a=b-1;
  while (a >= 1) {
  
    b += a--;}
      
  std::cout << "The value you entered is " << i;
  std::cout << " and the sum of all whole numbers up to and including your value is " << b << ".\n";
return 0
  ;}