PAT甲級1140

#include<iostream>
#include<vector>
using namespace std;

vector<int> a, b, temp;

int fun(vector<int> &temp)
{
	int cnt = 1;
	for (int i = 0; i < temp.size(); i++)
	{
		if (i == temp.size() - 1)
		{
			a.push_back(temp[i]);
			b.push_back(cnt);
		}
		else if (temp[i] == temp[i + 1])
		{
			cnt++;
		}
		else if (temp[i] != temp[i + 1])
		{
			a.push_back(temp[i]);
			b.push_back(cnt);
			cnt = 1;
		}
	}
	temp.clear();
	for (int i = 0; i < a.size(); i++)
	{
		temp.push_back(a[i]);
		temp.push_back(b[i]);
	}
	a.clear();
	b.clear();
}


int main()
{
	int c, n;
	cin >> c >> n;
	temp.push_back(c);
	for (int i = 1; i < n; i++)
	{
		fun(temp);
	}

	for (int i = 0; i < temp.size(); i++)
	{
		cout << temp[i];
	}
}