#include <iostream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <cstdlib>
#include <stack>
#include <string>
#include <cstring>
#include <fstream>

using namespace std;

long double test_5(char*, int (fun)(int, int, int*, int*, int*));
long double test_7(char*, int (fun)(int, int, int*, int*, int*, int&, int&));