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Copy pathL2-002.cpp
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L2-002.cpp
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#include "bits/stdc++.h"
using namespace std;
#define list lis
const int N=1e5+3;
struct node
{
int value;
int next;
}list[N];
bool vis[N];
int ans[N],del[N],k1,k2;
int main()
{
int head,n;
scanf("%d %d",&head, &n);
while(n--)
{
int id;
scanf("%d",&id);
scanf("%d %d",&list[id].value, &list[id].next);
}
int p=head;
while(p!=-1)
{
int m=abs(list[p].value);
if(vis[m]==0)
{
ans[k1++]=p;
vis[m]=1;
}
else
{
del[k2++]=p;
}
p=list[p].next;
}
for(int i=0; i<k1-1; i++)
{
printf("%05d %d %05d\n",ans[i],list[ans[i]].value, list[ans[i]].next);
}
printf("%05d %d -1\n",ans[k1-1],list[ans[k1-1]].value);
if(k2>0)
{
for(int i=0; i<k2-1; i++)
{
printf("%05d %d %05d\n",del[i],list[del[i]].value, list[del[i]].next);
}
printf("%05d %d -1\n",del[k1-1],list[del[k1-1]].value);
}
return 0;
}