結果
| 問題 | No.902 Query ζone |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-11-30 23:37:45 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 12,353 bytes |
| 記録 | |
| コンパイル時間 | 3,566 ms |
| コンパイル使用メモリ | 300,112 KB |
| 実行使用メモリ | 20,604 KB |
| 最終ジャッジ日時 | 2025-11-30 23:38:06 |
| 合計ジャッジ時間 | 20,626 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | WA * 19 |
ソースコード
#line 1 "/home/imsuck/Yes/prog-sol/testing.cpp"
#include <bits/stdc++.h>
using namespace std;
#line 1 "/home/imsuck/Yes/cp-library/other/types.hpp"
using i8 = int8_t;
using u8 = uint8_t;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
using f32 = float;
using f64 = double;
using f80 = long double;
using str = string;
template<class T> using vec = vector<T>;
template<class E = i32> using graph = vec<vec<E>>;
#line 5 "/home/imsuck/Yes/prog-sol/testing.cpp"
#line 1 "/home/imsuck/Yes/cp-library/tree/top_tree_ecnerwala.hpp"
/**
* https://github.com/ecnerwala/cp-book/blob/master/src/top_tree.hpp
* Convenient memo:
* Creating vertices:
* n->val = ...;
* n->set_vert();
*
* Creating edges:
* link(e, va, vb);
*
* Updates:
* auto cur = get_path(va, vb); // or get_subtree(va, vb)
* cur->do_stuff();
* cur->pull_all();
*
* Node types:
* path edges: compress(c[0], self, c[1])
* assert(is_path && !is_vert);
* assert(c[0] && c[1]);
* assert(c[0]->is_path && c[1]->is_path);
* assert(!c[2]);
* (path) vertices: add_vertex(self, rake(c[0], c[1]))
* assert(is_path && is_vert);
* assert(!c[2]);
* if (c[0]) assert(!c[0]->is_path);
* if (c[1]) assert(!c[1]->is_path);
* non-path edges: rake(c[0], add_edge(self, c[2]), c[1])
* assert(!is_path && !is_vert);
* assert(c[2])
* assert(c[2]->is_path);
* if (c[0]) assert(!c[0]->is_path);
* if (c[1]) assert(!c[1]->is_path);
*/
template<class node> struct top_tree_node_base {
using ptr = node *;
private:
ptr as_derived() { return (ptr)this; }
auto as_derived() const { return (const ptr)this; }
public:
bool rev = false;
ptr p = 0;
array<ptr, 3> c{0, 0, 0};
int d() const {
assert(p);
if (this == p->c[0]) return 0;
if (this == p->c[1]) return 1;
if (this == p->c[2]) return 2;
assert(false);
}
ptr &p_c() { return p->c[d()]; }
bool is_vert, is_path;
void set_vert() { is_path = is_vert = true, _pull(); }
bool r() const { return !p || p->is_path != is_path; }
// protected:
#define CHECK(a) \
template<class T, class = void> struct has_##a##_t : false_type {}; \
template<class T> struct has_##a##_t<T, void_t<decltype(&T::a)>> : true_type {}; \
template<class T> static constexpr bool has_##a = has_##a##_t<T>::value;
CHECK(push) CHECK(flip) CHECK(pull)
#undef CHECK
void _flip() {
assert(is_path);
swap(c[0], c[1]), rev ^= 1;
if constexpr (has_flip<node>) as_derived()->flip();
}
void push_rev() {
if (rev) {
assert(is_path);
if (!is_vert) {
c[0]->_flip();
c[1]->_flip();
}
rev = false;
}
}
void _push() {
push_rev();
if constexpr (has_push<node>) as_derived()->push();
}
void _pull() {
if constexpr (has_pull<node>) as_derived()->pull();
}
public:
void push_all() {
if (p) p->push_all();
_push();
}
void push_flip_all() {
if (p) p->push_flip_all();
if (rev) {
assert(is_path);
if (!is_vert) {
c[0]->_flip();
c[1]->_flip();
}
rev = false;
}
}
ptr pull_all() {
ptr cur = as_derived();
cur->_push(), cur->_pull();
for (; cur->p; cur->_pull()) cur = cur->p;
return cur;
}
private:
static inline void attach(ptr pa, int c_d, ptr ch) {
pa->c[c_d] = ch;
if (ch) ch->p = pa;
}
void rot() {
assert(!is_vert);
assert(!r());
ptr pa = p;
int x = d();
assert(x != 2);
ptr ch = c[!x];
if (pa->p) pa->p_c() = as_derived();
this->p = pa->p;
attach(pa, x, ch);
attach(as_derived(), !x, pa);
pa->_pull();
}
void rot2(int c_d) {
assert(!is_vert);
assert(!r());
assert(c[c_d]);
assert(!c[c_d]->is_vert);
if (d() == c_d) return rot();
ptr pa = p;
int x = d();
assert(x != 2);
ptr ch = c[c_d]->c[!x];
if (pa->p) pa->p_c() = as_derived();
this->p = pa->p;
attach(pa, x, ch);
attach(c[c_d], !x, pa);
pa->_pull();
}
void splay_dir(int x) {
for (; !r() && d() == x; rot())
if (!p->r() && p->d() == x) p->rot();
}
void splay() {
assert(!is_vert);
for (; !r(); rot())
if (!p->r()) p->d() == d() ? p->rot() : rot();
}
void splay2(int c_d) {
assert(!is_vert && is_path);
assert(c[c_d] && !c[c_d]->is_vert);
for (; !r(); rot2(c_d))
if (!p->r()) p->d() == d() ? p->rot() : rot2(c_d);
}
void splay2() {
assert(!is_vert && is_path);
assert(!r());
p->splay2(d());
}
void splay_vert() {
assert(is_vert);
if (r()) return;
p->splay_dir(d());
if (p->r()) return;
assert(p->d() != d());
if (d() == 1) p->rot();
assert(d() == 0);
p->splay2();
assert(d() == 0);
assert(p->d() == 1);
assert(p->p->r());
}
ptr cut_right() {
assert(is_vert && is_path);
splay_vert();
if (r() || d() == 1) {
assert(r() || (d() == 1 && p->r()));
assert(!c[0]);
return 0;
}
ptr pa = p;
assert(pa->r() || (pa->d() == 1 && pa->p->r()));
assert(!pa->is_vert);
assert(pa->is_path);
assert(pa->c[0] == this);
assert(!pa->c[2]);
if (pa->p) pa->p_c() = as_derived();
this->p = pa->p;
pa->is_path = false;
pa->c[2] = pa->c[1];
attach(pa, 0, c[0]);
attach(pa, 1, c[1]);
c[0] = 0;
attach(as_derived(), 1, pa);
assert(!c[2]);
return pa->_pull(), pa;
}
ptr splice_non_path() {
assert(!is_vert);
assert(!is_path);
splay();
assert(p && p->is_vert && p->is_path);
p->cut_right();
if (!p->is_path) rot();
assert(p && p->is_vert && p->is_path);
assert(p->r() || (p->d() == 1 && p->p->r()));
assert(p->c[d()] == this && !p->c[!d()]);
ptr pa = p;
if (pa->p) pa->p_c() = as_derived();
this->p = pa->p;
attach(pa, 0, c[0]);
attach(pa, 1, c[1]);
assert(c[2] && c[2]->is_path);
attach(as_derived(), 0, pa);
c[1] = c[2], c[2] = 0;
is_path = true;
return pa->_pull(), pa;
}
ptr splice_all() {
ptr res = as_derived();
for (ptr cur = as_derived(); cur; cur = cur->p) {
if (!cur->is_path) res = cur->splice_non_path();
assert(cur->is_path);
}
return res;
}
public:
ptr expose() {
assert(is_vert);
push_all();
ptr res = splice_all();
cut_right(), pull_all();
return res;
}
ptr expose_edge() {
assert(!is_vert);
push_all();
ptr v = is_path ? c[1] : c[2];
for (v->_push(); !v->is_vert; v->_push()) v = v->c[0];
ptr res = v->splice_all();
v->cut_right(), v->pull_all();
assert(!p);
assert(v == c[1]);
return res == v ? as_derived() : res;
}
ptr meld_path_end() {
assert(!p);
ptr rt = as_derived();
while (true) {
rt->_push();
if (rt->is_vert) break;
rt = rt->c[1];
}
rt->splay_vert();
if (rt->c[0] && rt->c[1]) {
ptr ch = rt->c[1];
while (true) {
ch->_push();
if (!ch->c[0]) break;
ch = ch->c[0];
}
ch->splay();
attach(ch, 0, rt->c[0]), rt->c[0] = 0;
ch->_pull();
} else if (rt->c[0]) {
rt->c[1] = rt->c[0], rt->c[0] = 0;
}
return rt->pull_all();
}
void evert() {
expose();
ptr rt = as_derived();
while (rt->p) {
assert(rt->d() == 1);
rt = rt->p;
}
rt->_flip();
rt->meld_path_end();
expose();
assert(!p);
}
friend void link(ptr e, ptr v, ptr p) {
assert(e && v && p);
assert(!e->c[0] && !e->c[1] && !e->c[2]);
v->evert(), p->expose();
while (p->p) p = p->p;
assert(!v->p);
e->is_path = true, e->is_vert = false;
attach(e, 0, p);
attach(e, 1, v);
e->_pull();
}
friend void link(node &e, node &v, node &p) { link(&e, &v, &p); }
// Link v's root as a child of p with edge e
// Returns false if they're already in the same subtree
friend bool link_root(ptr e, ptr v, ptr p) {
assert(e && v && p);
assert(!e->c[0] && !e->c[1] && !e->c[2]);
v->expose();
p->expose();
while (v->p) v = v->p;
while (p->p) p = p->p;
if (v == p) return false;
e->is_path = true, e->is_vert = false;
attach(e, 0, p);
attach(e, 1, v);
e->_pull();
return true;
}
friend bool link_root(node &e, node &v, node &p) {
return link_root(&e, &v, &p);
}
friend pair<ptr, ptr> cut(ptr e) {
assert(!e->is_vert);
e->expose_edge();
assert(!e->p);
assert(e->is_path);
ptr l = e->c[0], r = e->c[1];
assert(l && r);
assert(!e->c[2]);
e->c[0] = e->c[1] = 0;
l->p = r->p = 0;
l->meld_path_end();
return {l, r};
}
friend pair<node &, node &> cut(node &e) {
auto r = cut(&e);
return {*r.first, *r.second};
}
friend ptr get_path(ptr v) {
assert(v->is_vert);
v->expose();
if (!v->p) return v;
assert(!v->p->p);
return v->p;
}
friend node &get_path(node &v) { return *get_path(&v); }
friend ptr get_subtree(ptr v) { return v->expose(), v; }
friend node &get_subtree(node &v) { return v.expose(), v; }
friend ptr lca(ptr u, ptr v) {
if (u == v) return u;
u->expose();
auto up = u->p;
ptr l = v->expose();
if (u != v && up == u->p && (!up || !up->p)) return 0;
return l;
}
friend ptr lca(node &u, node &v) { return lca(&u, &v); }
};
#line 6 "/home/imsuck/Yes/prog-sol/testing.cpp"
struct node : top_tree_node_base<node> {
bool open = false, has_open = false;
i32 weight = 0;
i64 ans = 0;
void pull() {
has_open = open;
ans = 0;
for (int z = 0; z <= 2; z++) {
if (!c[z]) continue;
has_open |= c[z]->has_open;
ans += c[z]->ans;
}
if (!is_vert) ans += has_open * weight;
}
};
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
i32 n;
cin >> n;
vector<node> t(2 * n - 1);
map<pair<int, int>, int> edge_id;
for (i32 i = 0; i < n; i++) {
t[i].set_vert();
}
for (i32 i = n; i < 2 * n - 1; i++) {
i32 u, v;
cin >> u >> v >> t[i].weight;
link(t[i], t[u], t[v]);
edge_id[minmax(u, v)] = i;
}
i32 q;
cin >> q;
while (q--) {
i32 op;
cin >> op;
if (op == 1) {
i32 u, v, w, x;
cin >> u >> v >> w >> x;
auto it = edge_id.find(minmax(u, v));
int z = it->second;
edge_id.erase(it);
cut(t[z]);
t[z].weight = x;
link(t[z], t[v], t[w]);
edge_id[minmax(v, w)] = z;
} else if (op == 2) {
int k;
cin >> k;
vector<int> xs(k);
for (int &x : xs) {
cin >> x;
t[x].expose();
t[x].open = true;
t[x].pull_all();
}
t[xs[0]].evert();
cout << t[xs[0]].ans << "\n";
for (int x : xs) {
t[x].expose();
t[x].open = false;
t[x].pull_all();
}
} else {
assert(false);
}
}
}