cppDebugingDemoProblemProg

#include <iostream>

int main()
{
    setlocale(LC_ALL, "uk_UA");

    const int limit_numbers{ 1000 };
    int numbers_with_two_digits{ 0 };
    int number1{ 0 };
    int number2{ 0 };
    int number3{ 0 };

    std::cout << "Start of the programm!\n";

    for (int number{ 100 }; number < limit_numbers; ++number)
    {
        number1 = number % 10; // Третє число
        number /= 10;
        number2 = number % 10; // Друге число
        number /= 10;
        number3 = number % 10; // Перше число

        if (number1 == number2 or number2 == number3 or number1 == number3)
        {
            numbers_with_two_digits++;
        }
    }

    std::cout << "Total count of numbers with same digits is: " << numbers_with_two_digits << '\n';

    return 0;
    return 0;
}