摘要：
#include<stdio.h>#include<stdlib.h>typedefstructnode*link;structnode{intitem;linknext;};intmain(){inti,N,M;scanf("%d%d",&N,&M);linkt=malloc(sizeof*t),x=t;t->item=1;t->next=t;for(i=2;i<=N;i++){x=(x->next=malloc(sizeof*x));x->item=i;x->next=t;}while(x!=x 阅读全文