A simple guess a number program written in C++ programming language.

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Program Listing

#include <iostream>
#include <ctime>

const int MaxGuesses = 10;

int main()
{
     int num_guesses = 0, input = 0;
     bool found = false;

     srand(time(nullptr));
     int number_to_guess = (rand() % (999 - 100 + 1)) + 100;
     std::cout << "Number to guess: " << number_to_guess << "\n";
	  std::cout << "\n\n";
      std::cout << "\tGuess a Number in C++ ";
      std::cout << "\n\n";
     while (num_guesses < MaxGuesses && !found)
     {

         std::cout << "Enter number between 100 and 999: ";
         std::cin >> input;
         num_guesses++;
         // maybe do some input validation here
         if(input == number_to_guess)
         {
             found = true;
             std::cout << "You found it!\n";
             break;
         }
     }
     if(!found) // only wrong guesses
         std::cout << "Sorry, you didn't guess it.\n";
}

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