样例全过,3t2wa求调
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样例全过,3t2wa求调
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zhaodexuan20121211楼主2024/6/9 10:45
#include<bits/stdc++.h>
using namespace std;
long long n,m,nn,b[100005],k,q,head=1;
struct node
{
	long long val,next=0;
}a[100005];
void inode(long long x,long long f,long long y)
{
	if(f==0)
	{
		a[b[x-1]].next = ++nn;
		a[nn].val = y;
		a[nn].next = b[x];
		b[y] = nn;
		if(b[x]==head)
		{
			head = nn;
		}
	}
	else
	{
		a[b[x]].next = ++nn;
		a[nn].val = y;
		a[nn].next = b[x+1];
		b[y] = nn;
	}
}
void dnode(long long f)
{
	a[b[f-1]].next = b[f+1];
	if(b[f]==head)
	{
		head = b[f+1];
	}
	b[f] = 0;
}
int main()
{
	std::ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	a[++nn].val = 1;
	b[1] = nn;
	for(int i=2;i<=n;i++)
	{
		cin>>k>>q;
		inode(k,q,i);
	}
	cin>>m;
	for(int i=1;i<=m;i++)
	{
		cin>>k;
		if(b[k])
		{
			dnode(k);
		}
	}
	a[0].val = 0;
	while(a[head].val!=0)
	{
		cout<<a[head].val<<" ";
		head = a[head].next;
	}
	return 0;
}

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2024/6/9 10:45
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