void rank(int score[10])
{
    int w,u,ag,j;
    for(w=9;w>=0;w--)
    {
        for(u=0;u<=w;u++)
        {
            if(score[u]<score[u+1])
            {
                ag=score[u];
                score[u]=score[u+1];
                score[u+1]=ag;
            }
        }
    }
    for(j=0;j<10;j++)
    {
        printf("%d ",score(j));
    }
}

int main()
{
    int score[]={67,98,75,63,82,79,81,91,66,84};
    rank (score);
    return 0;
}