#include <iostream>
#include <string>
using namespace std;
int count(const std::string& number) 
{
    int max = 0, counter = 0;
 
    for(size_t i = 0; i < number.size() ; ++i) {
        if(number[i] == '1') {
            ++counter;
        }
        else {
            max = std::max(max, counter);
            counter = 0;
        }
    }
    return std::max(max, counter);
} 
int main()
{
	std::string data;
	int n=0;
    while(n!=5){
    	cin >> data;
    	std::cout << "Ciąg jedynek:" << count(data) << endl;
    	++n;
    }
    return 0;
}

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

MTExMTIzMQowMDAxMDExMQoxMTEyMzIzMjMyMQoxMTAxMTAxMTEKNjc2NjU2MDAwMTExMQ==

1111231
00010111
11123232321
110110111
6766560001111