#include<iostream>
#include<cstdlib>
#include<cstdio>
using namespace std;
struct list{
       int num[100];
};
struct graph{
       int used;
       int degree;
       int parent;
       struct list* p;
};
void initialize(struct graph* g,short int n){
     for(int i=1;i<n+1;i++){
               g[i].used=0;
               g[i].degree=0;
               g[i].parent=0;
               struct list* p=new list;
               int number;
               g[i].p=p;
               do{
                   scanf("%d",&number);
                   if(number!=0){
                   g[i].p->num[g[i].degree++]=number;
                   }
               }while(number!=0);
     }
}
int findzero(struct graph* g,int n)
{
      for(int i=1;i<n+1;i++)
          if(g[i].parent==0&&(!g[i].used)){
              g[i].used=1;
              return i;
              }
}
void topsort(struct graph* g,int n)
{
     for(int i=1;i<n+1;i++){
               int v=findzero(g,n);

               printf("%d ",v);
               for(int j=0;j<g[v].degree;j++){
                   g[g[v].p->num[j]].parent--;
               }
     }
     printf("\n");
 }
void calparent(struct graph* g,int n)
{
     for(int i=1;i<n+1;i++)
         for(int j=0;j<g[i].degree;j++)
             g[g[i].p->num[j]].parent++;
 }
int main()
{
    int n;
    scanf("%d",&n);
    struct graph g[n+1];
    initialize(g,n);
    calparent(g,n);
    topsort(g,n);

    return 0;
}
----------------------------
i got right in my own ide, but in ural it said compilation error!!__why?????

when you submit code
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many thx,it works!!