#include <iostream>
using std::cout;
using std::cin;
using std::endl;
int main()
{
int number, counter = 0;
float average = 0;
cout << "Enter the number: ";
cin >> number;
//1)
for(int i = 0; i <= number; i++)
{
average += i;
}
average /= (number + 1);
//2)
for(int i = 0; i <= number; i++)
{
if(i % 2 == 0) //Если чётное
{
counter++;
}
}
cout << "Average = " << average << endl;
cout << "The amount of even elements: " << counter << endl;
return 0;
}
7+1=8
8*2=16
16*2=32
32+1=33
Итого: 22112
5+1=6
6*2=12
12*2=24
Итого: 211