#include <iostream>
#include <vector>
#include <string>
#include <Windows.h>
using namespace std;

vector<string> split(const string& str, const string& pattern, int& count)
{
	vector<string> strings;
	size_t previousPosition = 0;
	bool isEndedWithSeparator = false;
	for (size_t i = 0; i < str.size(); i++)
	{
		for (size_t j = 0; j < pattern.size(); j++)
		{
			if (str[i] == pattern[j])
			{
				string between;
				if (i == str.size() - 1 && str[i] == pattern[j])
				{
					isEndedWithSeparator = true;
				}
				if (previousPosition == 0)
				{
					between = str.substr(previousPosition, i - previousPosition);
				}
				else
				{
					between = str.substr(previousPosition + 1, i - previousPosition - 1);
				}
				if (!between.empty())
				{
					strings.push_back(between);
				}
				previousPosition = i;
			}
		}
	}
	if (!isEndedWithSeparator)
	{
		strings.push_back(str.substr(previousPosition + 1));
	}

	count = static_cast<int>(strings.size());
	return strings;
}

int main()
{
	SetConsoleOutputCP(1251);
	int amount = 0;
	string pattern, str;

	cout << "Введите строку, к которой хотите применить метод split = ";
	getline(cin, str);

	cout << "Введите строку состоящую из знаков-разделителей (pattern) = ";
	getline(cin, pattern);

	vector<string> var = split(str, pattern, amount);
	cout << endl << "Разделённые строки:" << endl;
	for (size_t i = 0; i < var.size(); i++)
	{
		cout << i << ") " << var[i] << endl;
	}
	return 0;
}