С++14

Код:

• #include <iostream>
• #include <iomanip>
• #include <string>
• #include <algorithm>
• size_t count_char(const std::string& number, char c) {
•     return std::count(number.begin(), number.end(), c);
• }
• bool is_it_more_than(const std::string& number, char a, char b) {
•    return count_char(number, a) > count_char(number, b);
• }
• int main() {
•    long long k = 4353621ll;
•    char a = '3';
•    char b = '4';
•    std::string number = std::to_string(k);
•    std::cout << "Number is " << number << std::endl;
•    std::cout << "a = " << a << std::endl;
•    std::cout << "b = " << b << std::endl;
•    std::cout << "Does a appear in Number more often than b: " << std::boolalpha << is_it_more_than(number, a, b) << std::endl;
•    return 0;
• }