int main() {
    SDL_Window* window;
    SDL_Renderer* renderer;
    SDL_Init(SDL_INIT_VIDEO);
    SDL_CreateWindowAndRenderer(200, 200, SDL_RENDERER_ACCELERATED, window, renderer);
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); // Blanco
    SDL_Circle circle(0, 0, 200, 200); // x, y, width, height
    circle.render();
    SDL_RenderPresent(renderer);
    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);
}