/*
 * File:   main.cpp
 * Author: roman
 *
 * Created on October 6, 2019, 1:21 PM
 */

#include <iostream>
#include <fstream>
#include <string>
#include <stdlib.h>
#include <time.h>
#include <cmath>
#include <complex>

using namespace std;

struct Punkt{
    double x;
    double y;

    Punkt() {
    }

    Punkt(double x, double y) :
        x(x), y(y) {
    }
};

class Trojkat {
    Punkt a,b,c;
    int ab, bc, ca;


    void computeLenght(){
        ab = sqrt(pow(b.x - a.x, 2) + pow(b.y - a.y, 2));
        bc = sqrt(pow(c.x - b.x, 2) + pow(c.y - b.y, 2));
        ca = sqrt(pow(a.x - c.x, 2) + pow(a.y - c.y, 2));
    }

public:

    Trojkat() : a(Punkt()), b(Punkt()), c(Punkt()) {
    }

    Trojkat(Punkt a, Punkt b, Punkt c) :
        a(a), b(b), c(c) {
        computeLenght();
    }

    Trojkat(double ax, double ay, double bx, double by, double cx, double cy)
    : a(Punkt(ax,ay)), b(Punkt(bx,by)), c(Punkt(cx, cy)) {
        computeLenght();
    }

    bool isTrojkat(){
        return ab+bc>ca || bc+ca>ab || ca+bc>ab;
    }

    bool isRownoboczny(){
        if(!isTrojkat()){
            return false;
        }
        return ab == bc == ca;
    }

    bool isRownoramienny(){
        if(!isTrojkat()){
            return false;
        }
        return (ab == bc) || (bc == ca) || (ca== ab);
    }

    bool isProstokatny(){
        if(!isTrojkat()){
            return false;
        }

        return pow(ab,2) + pow(bc,2) == pow(ca,2) ||
            pow(bc,2) + pow(ca,2) == pow(ab,2) ||
            pow(ca,2) + pow(ab,2) == pow(bc,2);
    }

};

int main(int argc, char** argv) {

    Trojkat a(6.0,1.0,1.0,1.0,6.0,1.0);
    cout<< a.isTrojkat()<<endl;

    return 0;
}