code. compile. run. debug. share.
#include <iostream>
#include <string>
#include <regex>
#include <cstdlib>
int main()
{
std::string input;
std::regex number_regex ("[1-9][0-9]{2}");
std::cout << "Unesite troznamenkasti broj: ";
std::cin >> input;
if (std::regex_match (input, number_regex))
{
int number = std::stoi (input);
int digits_multiplied = 1;
while (number != 0)
{
digits_multiplied *= (number % 10);
number = number / 10;
}
std::cout << "Umnozak znamenki je " << digits_multiplied;
return EXIT_SUCCESS;
}
else
{
std::cout << "Niste unijeli troznamenkasti broj!";
return EXIT_FAILURE;
}
}
Compiling Program...
Standard Input:
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Text
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