#include<bits/stdc++.h>
using namespace std;

struct node
{
	int pre, nxt, key;
	node(int _key = 0, int _pre = 0, int _nxt = 0)
	{
		pre = _pre;
		key = _key;
		nxt = _nxt;
	}

};
node s[100005];
int n, m, tot = 0, index[100005] = { 0 };
void ins_back(int x, int y)
{
	int now = index[x];
	s[++tot] = node(y, now, s[now].nxt);
	s[s[now].nxt].pre = tot;
	s[now].nxt = tot;
	index[y] = tot;
}
void ins_front(int x, int y)
{
	int now = index[x];
	s[++tot] = node(y, s[now].pre, now);
	s[s[now].pre].nxt = tot;
	s[now].pre = tot;
	index[y] = tot;
}
void del(int x)
{
	int now = index[x];
	int le = s[now].pre, rt = s[now].nxt;
	s[le].nxt = rt;
	s[rt].pre = le;
	index[x] = 0;
}
int main()
{
	int x, k, p, now;
	cin >> n;
	s[0] = node();
	ins_back(0, 1);
	for (int i = 2; i <= n; i++)
	{
		cin >> k >> p;
		p ? ins_back(k, i) : ins_front(k, i);

	}
	cin >> m;
	for (int i = 1; i <= m; i++)
	{
		cin >> x;
		if (index[x])del(x);
	}
	now = s[0].nxt;
	while (now)
	{
		cout << s[now].key << " ";
		now = s[now].nxt;
	}
}

玄关。

洛谷编译不过，本地测样例过了。

洛谷编译信息：

/tmp/compiler_c9dfke6u/src:16:32: 错误：‘int index [100005]’ redeclared as different kind of entity
   16 | int n, m, tot = 0, index[100005];
      |                                ^
In file included from /nix/store/x8lqlydsxbrwvf6p7v18gws8kn1xl37f-glibc-2.38-23-dev/include/string.h:462,
                 from /nix/store/al0w33yvyzkjm86ndpf42knjfymfisph-luogu-gcc-13.2.0/include/c++/13.2.0/cstring:42,
                 from /nix/store/al0w33yvyzkjm86ndpf42knjfymfisph-luogu-gcc-13.2.0/include/c++/13.2.0/x86_64-unknown-linux-gnu/bits/stdc++.h:121,
                 from /tmp/compiler_c9dfke6u/src:1:
/nix/store/x8lqlydsxbrwvf6p7v18gws8kn1xl37f-glibc-2.38-23-dev/include/strings.h:61:1: 附注：previous declaration ‘const char* index(const char*, int)’
   61 | index (const char *__s, int __c) __THROW
      | ^~~~~
/tmp/compiler_c9dfke6u/src: In function ‘void ins_back(int, int)’:
/tmp/compiler_c9dfke6u/src:19:24: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   19 |         int now = index[x];
      |                        ^
/tmp/compiler_c9dfke6u/src:23:14: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   23 |         index[y] = tot;
      |              ^
/tmp/compiler_c9dfke6u/src: In function ‘void ins_front(int, int)’:
/tmp/compiler_c9dfke6u/src:27:24: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   27 |         int now = index[x];
      |                        ^
/tmp/compiler_c9dfke6u/src:31:14: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   31 |         index[y] = tot;
      |              ^
/tmp/compiler_c9dfke6u/src: In function ‘void del(int)’:
/tmp/compiler_c9dfke6u/src:35:24: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   35 |         int now = index[x];
      |                        ^
/tmp/compiler_c9dfke6u/src:39:14: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   39 |         index[x] = 0;
      |              ^
/tmp/compiler_c9dfke6u/src: In function ‘int main()’:
/tmp/compiler_c9dfke6u/src:57:26: 错误：‘<未解决的重载函数类型>[int]’用作数组下标类型无效
   57 |                 if (index[x])del(x);
      |                          ^

怎么办？

大佬救救！