c 围圈报数

#include<stdio.h>
   
/*围圈报数*/
void left(int *p,int m,int n)
{
    int i,j,count;
    i = j = count = 0;
    while(count < m-1)
    {
        if(*(p+i) != 0)
            j++;
        if(j == n)
        {
            *(p+i) = 0;
            count++;
            j = 0;
        }
        if(++i == m)
            i = 0;
    }
}

int main(void)
{
  int x,y;
  scanf("%d%d",&x,&y);
  int arr[x];
  int i;
  for(i=0; i<x; i++)
     arr[i] = i+1;
  left(arr,x,y);
  for(i=0; i<x; i++)
      if(arr[i] != 0)
          printf("%d\n",arr[i]);
 return 0;
}