ghiceste cuv

#include <iostream>
#include <cstring>
#include <stdio.h>
#include <cstdlib>
#include <ctype.h>
using namespace std;

int main()
{
    char c[100];
    cin >> c;
    unsigned n = strlen(c);
    int ok = 0;
    cout << "prima litera: " << c[0] << endl << "ultima litera: " << c[n - 1] << endl;
    do
    {
        char c2[100];
        cin >> c2;
        cout << c[0];
        for (int i = 1; i < n - 1; i++)
            if (c[i] == c2[i])
                cout << c[i];
            else
                cout << '*';
        cout << c[n - 1];
        cout << endl;
        if (!strcmp(c, c2))
            ok = 1;
    }
    while (!ok);
    puts("Ai ghicit!");
    return 0;
}