loop and x++ question, please help me to explain what's going on

Question

#include<iostream>
using namespace std;

int main()
{int x = 1;
int a;
int total = 0;

while (x <= 5) {
cin >> a;
total += a;
x++;
cout<<"ok"<<total<<endl;}

}

a=0 total
ok0
ok0
ok0
ok0
ok0
---------
a=1
ok1
ok2
ok3
ok4
ok5
---------
a=2
ok1
ok2
ok3
ok4
ok5
---

Answer 1

? says you finish course? how you no know yourself? or it this a test? are you tricking me :)