please help me ! keep the score in c++ quiz

Question

please take a look at my code i want to keep the score if the answer is correct for example you answered 5 question but only 3 is correct i want to output your score is 3 something like that how can i add this to my program
https://code.sololearn.com/cvPbNRtDBqiL/?ref=app

Answer 1

In your code you write: score =+10;
Correct version is: score += 10;

I assume you want to add 10 to the score, not to assign +10 to it.