self_introduce_number

#include <iostream>
#include <string>
#include <fstream>
using namespace std;
int main(int argc, char * argv[])
{
	ifstream in("self_introduce_number.in");
	ofstream out("self_introduce_number.out");
	int test; in >> test;
	//int test; cin >> test;
	while (test--)
	{
		string str; in >> str; str += ' ';
		//string str; cin >> str; str += ' ';
		if(str == "22 ")
		{
			out << "2" << endl;
			continue;
		}
		int fix = 0, len = 0, max_len = 0, max = 3;
		for (char idx : str)
		{
			idx -= '0';
			if (max < idx)
				max = idx;
			if (fix - idx)
			{
				if (max_len < len)
					max_len = len;
				fix = idx;
				len = 1;
			}
			else
				len++;
		}
		out << (max_len > max ? max_len : max) << endl;
		//cout << (max_len > max ? max_len : max) << endl;
	}
	in.close();
	out.close();
}