void kubelkowe(struct punkt *punk,int x)
{
    int m,i,*j,a,b=0;
    float wmin,wmax,sk=0;
    double **z,**y;
    printf("podaj liczbe kubelkow\n");
    scanf("%d",&m);
    wmin=-1.5;
    wmax=1.5;
    j=(int*)calloc(m+1,sizeof(int));
    sk=(float)((wmax-wmin)/m);
    z=(double**)malloc((m+1)*sizeof(double*));
    y=(double**)malloc((m+1)*sizeof(double*));
    for(i=0;i<(m+1);i++)
    {
        z[i]=(double*)malloc(sizeof(double));
        y[i]=(double*)malloc(sizeof(double));
    }
    for(i=0;i<x;i++)
    {
        a=(int)(punk[i].wartosc-wmin)/sk;
        j[a]++;
        if(j[a]!=1) z[a]=(double*)realloc(z[a],(j[a])*sizeof(double));
        if(j[a]!=1) y[a]=(double*)realloc(y[a],(j[a])*sizeof(double));
        z[a][j[a]-1]=punk[i].wartosc;
        y[a][j[a]-1]=punk[i].czas;
    }
    for(i=0;i<(m+1);i++)
    {
        babelkowet(j[i],z[i],y[i]);
        for(a=0;a<j[i];a++)
        {
            punk[b].wartosc=z[i][a];
            punk[b].czas=y[i][a];
            b++;
        }
    }
    for(i=0;i<(m+1);i++)
    {
        free(z[i]);
        free(y[i]);
    }
    free(z);
    free(y);
}