#ifndef HEADD
#define HEADD

#include <cstdio>
#include <cmath>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdlib>
#include <random>
#include <ctime>
#include <queue>
#include<time.h>
#include <chrono>
using namespace std;

#define point first
#define weight second

#define debug 0

typedef vector<double> datapoint;  
typedef vector<datapoint> dataset;
typedef vector<dataset> parti;


#endif