#include <graphics.h>
#include <conio.h>
void main()
{
    double x = 3.051522, y = 1.582542, z = 15.62388, x1, y1, z1;
    double dt = 0.0001;
    int a = 5, b = 15, c = 1;
    int gd=DETECT, gm;
    initgraph(&gd, &gm, "C:\\BORLANDC\\BGI");
    do {
        x1 = x + a*(-x+y)*dt;
        y1 = y + (b*x-y-z*x)*dt;
        z1 = z + (-c*z+x*y)*dt;
        x = x1; y = y1; z = z1;
        putpixel((int)(19.3*(y - x*0.292893) + 320),
                 (int)(-11*(z + x*0.292893) + 392), 9);
    } while (!kbhit());
    closegraph();
}

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