#include <iostream>
#include <random>
#include <string>
using namespace std;
random_device rd;
bool running = true;
int number_1;
int number_2;
//these two are the numbers that are randomized.
int instruction;
//the student's input
int score = 0;
//a score keeping thing to make it seem fun, I guess
int streak = 0;
//and a streak to see how long a student can get things right
int main() {
while (running = true) {
//this while statement lets it repeat
number_1 = rd() % 11;
number_2 = rd() % 11;
cout<<"Please add "<<number_1<<" and "<<number_2<<"\n";
cout<<"Type your answer and press enter when you're ready.\n";
cin>>instruction;
if (instruction == number_1 + number_2) {
cout<<"Correct! Nicely done!\nPress enter to continue.";
score = score + 10;
streak = streak + 1;
getchar();
getchar();
} else {
cout<<"Sorry, that's incorrect... Press enter to see the correct answer.";
getchar();
getchar();
cout<<number_1<<" plus "<<number_2<<" is "<<number_1 + number_2;
score = score - 5;
streak = 0;
getchar();
}
cout<<"Your score: "<<score<<"\n";
if (streak >= 3) {
cout<<"You're on a roll! You have a streak of "<<streak<<" correct answers in a row!\n";
}
}
}
