What is wrong with my code?

I'm trying to get it to work like if I earned 5 apples but I only earned 2 - I want it to be able to detect no and yes and let me either input the right amount or go to the next question.

Code:

---

#include <iostream>

using namespace std;

int main()
{
    int thisisanumber;
   
    cout<<"How many apples have you earned?";
    cin>> thisisanumber;
    cin.ignore() ;
    cout<<"You entered: "<< thisisanumber <<"\n";
   
    int thisisno;
    int thisisyes;
   
    cout<<"Is this amount correct?"<< thisisno <<"\n";
    cin>> thisisno;
    cin>> thisisyes;
    cin.ignore() ;
    cout<<"Please enter the correct amount:"<< thisisno <<"\n";
    cout<<"How many grapes have you earned?"<< thisisyes <<"\n";
    cin.get();
}

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A few things wrong with your code here.
1) You're using thisisno to print the value to the screen, yet you never gave it a value! (called initialization)
2) How are you suppose to detect yes or no when you never did any comparisons? ie. if statements, strcmp, strncmp, etc.
3) Why use two variables for yes and no? if you enter a 1 for "is this correct" then it is believed to be correct, and 0 would be incorrect. Don't need to check two things for one question here.

Code:

---

#include <iostream>

using namespace std;

int main()
{
    int thisisanumber;
   
    cout<<"How many apples have you earned?";
    cin>> thisisanumber;
    cin.ignore() ;
    cout<<"You entered: "<< thisisanumber <<"\n";
   
    int thisisno;
    int thisisyes;
   
    cout<<"Is this amount correct?"<< thisisno <<"\n";
    cin>> thisisno;
    cin>> thisisyes;
    cin.ignore() ; // need a comparison somewhere around here
    cout<<"Please enter the correct amount:"<< thisisno <<"\n";
    cout<<"How many grapes have you earned?"<< thisisyes <<"\n";
    cin.get();
}

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Thanks, I was trying to mess around with some code from a tutorial and I got way ahead of myself!