程序代码：

#include <stdio.h>
#include <stdlib.h>
struct node{
    int password;
    int array;
    int exit;
    struct node *next;
};
#define INFEASIBLE -2;
#define OK 0;
typedef struct node linklist;
int ysf(linklist *h,int m,int n){
        linklist *q=h;
        int i,count,ps;
        i=0;
        ps=m;
        while(i<n){
            for(count=0;count<ps;)
                if(q->exit) count++;
            printf("%d",q->array);
            ps=q->password;
            q->exit=0;
        }
        return OK;

 }
int creat(linklist *h,int n){
     int i;
     linklist *p;
     if(h==NULL) return INFEASIBLE;
        for(i=1;i<n;i++){
            p=(linklist*)malloc(sizeof(struct node));
            p->next=h->next;
            p=h->next;
        }
        i=0;
        printf("Please input the password:\n");
            scanf("%d",&h->password);
            h->array=i++;
            h->exit=1;
        for(p=h->next;p!=h;p=p->next){
            scanf("%d",&p->password);
            p->array=i++;
            p->exit=1;
        }
     return OK;

 }
int main(){
    linklist *h;
    int M,N;
    printf("Please input the M and the N:");
    scanf("%d%d",&N,&M);
    h=(linklist*)malloc(sizeof(struct node));
    creat(h,M);
    ysf(h,N,M);
    return 0;
}