Adding Random Numbers help

I need to create a program where the user selects addition, subtraction, or multiplication, and when they select one, 2 random numbers appear, and they must put in the right answer. The problem is, i cant get the correct answer. It just says: Would you like to play again?

Code:

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

void displayHeader();
void problemType();
void calcRealAnswer();
bool goAgain();

int calculateRandomNumber();

int choice = 0;
int userAnswer = 0;
int realAnswer = 0;
float randomNumber = 0;


int main(){
    srand((unsigned)time(0));

do {
        displayHeader();
        problemType();
        }while(goAgain());
        system("cls");

cin.get();
cin.get();
return 0;
}

void displayHeader()
{
    cout<<"Welcome to my math game program. Sit back and enjoy!!"<<endl;
    cout<<endl;
}

void problemType()
{

    cout << "Enter the number for the problem type desired:" << endl;
    cout << "1.  Addition"  << endl;
    cout << "2.  Subtraction"  << endl;
    cout << "3.  Multiplication"  << endl;
    cout << "Enter choice: ";
    cin >> choice;
   
    if (choice==1){
    cout << calculateRandomNumber();
    cout << " + ";
    cout << calculateRandomNumber();
    cout << " = ";
    cin >> userAnswer;}
   
    else if (choice==2){
    cout << calculateRandomNumber();
    cout << " - ";
    cout << calculateRandomNumber();
    cout << " = ";
    cin >> userAnswer;}
   
    else if (choice==3){
    cout << calculateRandomNumber();
    cout << " * ";
    cout << calculateRandomNumber();
    cout << " = ";
    cin >> userAnswer;}
   
    else{
    cout << "Invalid answer. Please select a valid choice: ";
    cin >> choice;
    }
   
}

bool goAgain()
{
    char answer;

    cout << "Would you like to play again? ";
    cin >> answer;

    system("cls");
  while(answer != 'Y' && answer != 'N')
  {
  cout << "Invalid choice.  Would you like to go again? ";
  cin >> answer;
  }

  cout << endl;
 

  if(answer == 'Y')
  return true;
  else
  return false;
    }

int calculateRandomNumber(){
   
    return (rand()%100) + 1;
}

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You are not doing anything with the answer the user inputs (other than storing it).

Ok. But if i want to send the random numbers calculated , have it checked to see if it is right or wrong, and send it back, how would i do that? i have this so far:

Code:

---

int calcRealAnswer(){
int realAnswer;
if (realAnswer == calculateRandomNumber + calculateRandomNumber){
cout << "Correct!";
}
else{
cout << "Wrong!";}

---

BTW i am a noobie, so no burning please

If you do this

cout << calculateRandomNumber();
cout << " + ";
cout << calculateRandomNumber();
realAnswer = calculateRandomNumber() * calculateRandomNumber();

Then sure you're going to get different answers.

You need something like
a = calculateRandomNumber();
b = calculateRandomNumber();
cout << a << "+" << b;
realanswer = a + b;

etc

OK i understand and i fixed it. One more thing though. Is there a way so that after 3 guesses, it disables the user from entering anything else and it displays the real answer?

Just have a counter of the number of guesses.

Something like

Code:

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extern const int num_tries;
int tries = 0, response;
do
{
  if(tries >= num_tries) {
        std::cout << "It's okay; with hard work, learning disabilities can be largely overcome. The correct answer is " << answer << '.' << std::endl;
        break;
  }
  else if(!tries) std::cout << "What is " << a << ' ' << op << ' ' << b << " ?" << std::endl;
  else std::cout << "Sorry, that's not the right answer. Try again. (" << (num_tries - tries) << " tries left)" << std::endl;
  std::cin >> response;
  if(response == answer) {
        std::cout << "Correct!" << std::endl;
        break;
  }
}while(++tries);

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