Массивы, одномерные

#include <iostream>
#include <iterator>
#include <vector>
#include <algorithm>
#include <time.h>
#include <functional>

using namespace std;

//--------------------------------------------------------------------------------
class NegativeWithCount : public unary_function<int, bool> {
public:
	NegativeWithCount()
	{
		val = 0;
		compareCount = 0;
	}

	bool operator()(const int &i) const
	{
		val = i;
		++compareCount;
		return i < 0;
	}

	static int val;
	static int compareCount;
};

//--------------------------------------------------------------------------------
class CmpWithCount : public binary_function<int, int, bool> {
public:
	CmpWithCount()
	{
		compareCount = 0;
	}

	bool operator()(const int &i, const int &j) const
	{
		++compareCount;
		return i == j;
	}

	static int compareCount;
};

int NegativeWithCount::val;
int NegativeWithCount::compareCount;
int CmpWithCount::compareCount;

int main(int argc, char *argv[])
{
	vector<int> v;

	srand(static_cast<unsigned>(time(0)));

	//--------------------------------------------------------------------------------
	cout << "input N: ";
	for (int i = *istream_iterator<int>(cin); i > 0; i--)
		v.push_back((rand() % 100 + 1) * (rand() % 2 ? 1 : -1));

	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));
	cout << endl;
	
	//--------------------------------------------------------------------------------
	cout << "after remove: " << endl;
	v.erase(remove(v.begin(), v.end(), *max_element(v.begin(), v.end())), v.end());
	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));
	cout << endl;

	//--------------------------------------------------------------------------------
	cout << "input K: ";
	for (int i = *istream_iterator<int>(cin); i > 0; i--)
		v.push_back(*istream_iterator<int>(cin));

	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));
	cout << endl;

	//--------------------------------------------------------------------------------
	cout << "input M: ";
	rotate(v.begin(), v.begin() + *istream_iterator<int>(cin), v.end());
	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));
	cout << endl;

	//--------------------------------------------------------------------------------
	if (find_if(v.begin(), v.end(), NegativeWithCount()) != v.end()) {
		cout << "first negative element = " << NegativeWithCount::val
			 << ", compare count = " << NegativeWithCount::compareCount << endl;
	} else {
		cout << "non negative elements" << endl;
	}

	//--------------------------------------------------------------------------------
	cout << "sorted array:" << endl;
	sort(v.begin(), v.end());
	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));

	//--------------------------------------------------------------------------------
	cout << endl << "input element for search: ";
	if (find_if(v.begin(), v.end(), bind2nd(CmpWithCount(), *istream_iterator<int>(cin))) != v.end()) {
		cout << "found. compare count = " << CmpWithCount::compareCount << endl;
	} else {
		cout << "nothing found" << endl;
	}

	return 0;
}