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#include <algorithm>
#include <iostream>
#include <string>
#include <time.h>
#include <iterator>
using namespace std;
int randomValue(int remaining)
{
return rand() % remaining;
}
class RandomGenerator
{
public:
RandomGenerator()
{
srand(time(0));
}
int operator()(int remaining) const
{
return randomValue(remaining);
}
};
void show(string *begin, string *end)
{
copy(begin, end, ostream_iterator<string>(cout, " "));
cout << "\n\n";
}
int main()
{
string words[] =
{ "kilo", "lima", "mike", "november", "oscar", "papa"};
size_t const size = sizeof(words) / sizeof(string);
cout << "Using Default Shuffle:\n";
random_shuffle(words, words + size);
show(words, words + size);
cout << "Using RandomGenerator:\n";
RandomGenerator rg;
random_shuffle(words, words + size, rg);
show(words, words + size);
srand(time(0) << 1);
cout << "Using the randomValue() function:\n";
random_shuffle(words, words + size, randomValue);
show(words, words + size);
}
/*
Displays (for example):
Using Default Shuffle:
lima oscar mike november papa kilo
Using RandomGenerator:
kilo lima papa oscar mike november
Using the randomValue() function:
mike papa november kilo oscar lima
*/
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