#include <iostream>
#include <ctime>
#include <cstdlib>

using namespace std;

int main()
{


    int max = 100;
    int min = 0;
    int r;
    int i = 0;
    int middle;

    srand (time(NULL));

    r = rand() % (max - min + 1) + min;
    cout << "zagadano chislo: " << r << endl;

    do {
        middle = (max + min) / 2;
        cout << "(" << max << "+" << min << ")/2 = ";
        if (middle > r) {max = middle;}
        else if (middle < r) {min = middle;}

        cout << middle << endl;
        cin.get();

        i++;
    } while (middle != r);

    cout << "popitok: " << i;

    return 0;
}