#include <iostream>
#include <conio.h>

using namespace std;

string wstaw(const string src, const char s, size_t p)
{
    string dest = "";
    for(unsigned i = 0; i < p; ++i)
        dest += src[i];
    dest += s;
    unsigned n = src.size();
    for(unsigned i = p; i < n; ++i)
        dest += src[i];
    return dest;
}

string wstaw(const string src, const string s, size_t p)
{
    string dest = "";
    for(unsigned i = 0; i < p; ++i)
        dest += src[i];
    dest += s;
    unsigned n = src.size();
    for(unsigned i = p; i < n; ++i)
        dest += src[i];
    return dest;
}

string wytnij(const string src, size_t n)
{
    string dest = "";
    unsigned d = src.size();
    for(unsigned i = n; i < d; ++i)
        dest += src[i];
    return dest;
}

int szukaj(const string src, const char s)
{
    unsigned d = src.size();
    for(unsigned i = 0; i < d; ++i)
        if(src[i] == s)
            return i;
    return -1;
}

int szukaj(const string src, const char* s)
{
    for(unsigned p = 0; p < src.size(); ++p)
    {
        if(src[p] == s[0])
        {
            for(unsigned x = 1; p + x < src.size(); ++x)
            {
                if(s[x] == '\0')
                    return p;
                if(src[x + p] != s[x])
                    break;
            }
        }
    }
    return -1;
}

int porownaj(const string s1, const string s2)
{
    if(s1.size() > s2.size())
        return 1;
    if(s1.size() < s2.size())
        return -1;
    return 0;
}

void kopiuj(const string src, char* &dest)
{
    dest = new char[src.size() + 1];
    size_t p = src.copy(dest, src.size());
    dest[p] = '\0';
}

int main(int argc, char** argv)
{
    if(argc != 2)
    {
        cerr << "Za malo parametrow uruchomienia programu\n";
        return -1;
    }
    string src = argv[1], dest;
    dest = src;
    cout << src << '\t' << dest << endl;

    char* dest1 = nullptr;
    kopiuj(src, dest1);
    cout << src << '\t' << dest1 << endl;
    delete[] dest1;
    dest1 = nullptr;

    _getch();
    return 0;
}