A c++ is so hard..can u please make a simple code of c++???

/*This program is a quiz on addition facts that displays random integer addition
and gives a correct message or incorrect message with the correct answer

*/

# include <iostream>
# include <ctime>
# include <cstdlib>
using namespace std;

int main ()
{
for (int i = 0; i < 10; i++);
sum += i;

if (i < j);
cout << j;

while (j < 10);
{
j++;
};

do
{
j++;
} while (j < 10);

system ("pause");
return 0;
}