Sfml1

#include <SFML/Graphics.hpp>
#include <conio.h>
#include <iostream>
using namespace sf;
using namespace std;
int main()
{
    RenderWindow window(sf::VideoMode(520, 520), "SFML works!");
    CircleShape shape(520/2.f);
    shape.setFillColor(sf::Color::Green);

    while (window.isOpen())
    {
        Event event;
        while (window.pollEvent(event))
        {
            if (event.type == Event::Closed)
                window.close();
        }

        window.clear();
        window.draw(shape);
        window.display();
    }

    return 0;
}