This documentation is automatically generated by online-judge-tools/verification-helper
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/dynamic_tree_vertex_add_subtree_sum
#include "../../template/template.hpp"
#include "../../structure/lct/link-cut-tree-subtree.hpp"
int main() {
int N, Q;
cin >> N >> Q;
struct Node {
int64 sum, psum, csum, lsum;
Node() : sum(0), lsum(0), psum(0), csum(0) {}
void toggle() {
swap(psum, csum);
}
void merge(int64 cost, const Node &parent, const Node &child) {
sum = cost + parent.sum + child.sum + lsum;
psum = parent.psum + cost + lsum;
csum = child.csum + cost + lsum;
}
void add(const Node &chsum) {
lsum += chsum.sum;
}
void erase(const Node &chsum) {
lsum -= chsum.sum;
}
} e;
using LCT = LinkCutTreeSubtree< Node, int64 >;
LCT lct(e);
vector< int > A(N);
cin >> A;
vector< LCT::Node * > vs(N), es(N);
for(int i = 0; i < N; i++) {
vs[i] = lct.make_node(A[i]);
}
for(int i = 1; i < N; i++) {
int a, b;
cin >> a >> b;
lct.evert(vs[b]);
lct.link(vs[b], vs[a]);
}
while(Q--) {
int T;
cin >> T;
if(T == 0) {
int U, V, W, X;
cin >> U >> V >> W >> X;
lct.evert(vs[U]);
lct.cut(vs[V]);
lct.evert(vs[W]);
lct.link(vs[W], vs[X]);
} else if(T == 1) {
int P, X;
cin >> P >> X;
lct.set_key(vs[P], vs[P]->key + X);
} else {
int V, P;
cin >> V >> P;
lct.evert(vs[P]);
cout << lct.query(vs[V]).csum << "\n";
}
}
}
#line 1 "test/verify/yosupo-dynamic-tree-vertex-add-subtree-sum.test.cpp"
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/dynamic_tree_vertex_add_subtree_sum
#line 1 "template/template.hpp"
#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
os << p.first << " " << p.second;
return os;
}
template <typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
is >> p.first >> p.second;
return is;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
for (int i = 0; i < (int)v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
for (T &in : v) is >> in;
return is;
}
template <typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {
return a < b && (a = b, true);
}
template <typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {
return a > b && (a = b, true);
}
template <typename T = int64>
vector<T> make_v(size_t a) {
return vector<T>(a);
}
template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}
template <typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) {
t = v;
}
template <typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) {
for (auto &e : t) fill_v(e, v);
}
template <typename F>
struct FixPoint : F {
explicit FixPoint(F &&f) : F(forward<F>(f)) {}
template <typename... Args>
decltype(auto) operator()(Args &&...args) const {
return F::operator()(*this, forward<Args>(args)...);
}
};
template <typename F>
inline decltype(auto) MFP(F &&f) {
return FixPoint<F>{forward<F>(f)};
}
#line 4 "test/verify/yosupo-dynamic-tree-vertex-add-subtree-sum.test.cpp"
#line 1 "structure/lct/link-cut-tree-subtree.hpp"
template <typename SUM, typename KEY>
struct LinkCutTreeSubtree {
struct Node {
Node *l, *r, *p;
KEY key;
SUM sum;
bool rev;
int sz;
bool is_root() const { return !p || (p->l != this && p->r != this); }
Node(const KEY &key, const SUM &sum)
: key(key),
sum(sum),
rev(false),
sz(1),
l(nullptr),
r(nullptr),
p(nullptr) {}
};
const SUM ident;
LinkCutTreeSubtree(const SUM &ident) : ident(ident) {}
Node *make_node(const KEY &key) {
auto ret = new Node(key, ident);
update(ret);
return ret;
}
Node *set_key(Node *t, const KEY &key) {
expose(t);
t->key = key;
update(t);
return t;
}
void toggle(Node *t) {
swap(t->l, t->r);
t->sum.toggle();
t->rev ^= true;
}
void push(Node *t) {
if (t->rev) {
if (t->l) toggle(t->l);
if (t->r) toggle(t->r);
t->rev = false;
}
}
void update(Node *t) {
t->sz = 1;
if (t->l) t->sz += t->l->sz;
if (t->r) t->sz += t->r->sz;
t->sum.merge(t->key, t->l ? t->l->sum : ident, t->r ? t->r->sum : ident);
}
void rotr(Node *t) {
auto *x = t->p, *y = x->p;
if ((x->l = t->r)) t->r->p = x;
t->r = x, x->p = t;
update(x), update(t);
if ((t->p = y)) {
if (y->l == x) y->l = t;
if (y->r == x) y->r = t;
update(y);
}
}
void rotl(Node *t) {
auto *x = t->p, *y = x->p;
if ((x->r = t->l)) t->l->p = x;
t->l = x, x->p = t;
update(x), update(t);
if ((t->p = y)) {
if (y->l == x) y->l = t;
if (y->r == x) y->r = t;
update(y);
}
}
void splay(Node *t) {
push(t);
while (!t->is_root()) {
auto *q = t->p;
if (q->is_root()) {
push(q), push(t);
if (q->l == t)
rotr(t);
else
rotl(t);
} else {
auto *r = q->p;
push(r), push(q), push(t);
if (r->l == q) {
if (q->l == t)
rotr(q), rotr(t);
else
rotl(t), rotr(t);
} else {
if (q->r == t)
rotl(q), rotl(t);
else
rotr(t), rotl(t);
}
}
}
}
Node *expose(Node *t) {
Node *rp = nullptr;
for (auto *cur = t; cur; cur = cur->p) {
splay(cur);
if (cur->r) cur->sum.add(cur->r->sum);
cur->r = rp;
if (cur->r) cur->sum.erase(cur->r->sum);
update(cur);
rp = cur;
}
splay(t);
return rp;
}
void link(Node *child, Node *parent) {
expose(child);
expose(parent);
child->p = parent;
parent->r = child;
update(parent);
}
void cut(Node *child) {
expose(child);
auto *parent = child->l;
child->l = nullptr;
parent->p = nullptr;
update(child);
}
void evert(Node *t) {
expose(t);
toggle(t);
push(t);
}
Node *lca(Node *u, Node *v) {
if (get_root(u) != get_root(v)) return nullptr;
expose(u);
return expose(v);
}
Node *get_kth(Node *x, int k) {
expose(x);
while (x) {
push(x);
if (x->r && x->r->sz > k) {
x = x->r;
} else {
if (x->r) k -= x->r->sz;
if (k == 0) return x;
k -= 1;
x = x->l;
}
}
return nullptr;
}
Node *get_root(Node *x) {
expose(x);
while (x->l) {
push(x);
x = x->l;
}
return x;
}
SUM &query(Node *t) {
expose(t);
return t->sum;
}
};
#line 6 "test/verify/yosupo-dynamic-tree-vertex-add-subtree-sum.test.cpp"
int main() {
int N, Q;
cin >> N >> Q;
struct Node {
int64 sum, psum, csum, lsum;
Node() : sum(0), lsum(0), psum(0), csum(0) {}
void toggle() {
swap(psum, csum);
}
void merge(int64 cost, const Node &parent, const Node &child) {
sum = cost + parent.sum + child.sum + lsum;
psum = parent.psum + cost + lsum;
csum = child.csum + cost + lsum;
}
void add(const Node &chsum) {
lsum += chsum.sum;
}
void erase(const Node &chsum) {
lsum -= chsum.sum;
}
} e;
using LCT = LinkCutTreeSubtree< Node, int64 >;
LCT lct(e);
vector< int > A(N);
cin >> A;
vector< LCT::Node * > vs(N), es(N);
for(int i = 0; i < N; i++) {
vs[i] = lct.make_node(A[i]);
}
for(int i = 1; i < N; i++) {
int a, b;
cin >> a >> b;
lct.evert(vs[b]);
lct.link(vs[b], vs[a]);
}
while(Q--) {
int T;
cin >> T;
if(T == 0) {
int U, V, W, X;
cin >> U >> V >> W >> X;
lct.evert(vs[U]);
lct.cut(vs[V]);
lct.evert(vs[W]);
lct.link(vs[W], vs[X]);
} else if(T == 1) {
int P, X;
cin >> P >> X;
lct.set_key(vs[P], vs[P]->key + X);
} else {
int V, P;
cin >> V >> P;
lct.evert(vs[P]);
cout << lct.query(vs[V]).csum << "\n";
}
}
}
Env | Name | Status | Elapsed | Memory |
---|---|---|---|---|
g++ | example_00 | AC | 7 ms | 4 MB |
g++ | max_random_00 | AC | 381 ms | 23 MB |
g++ | max_random_01 | AC | 387 ms | 23 MB |
g++ | max_random_02 | AC | 417 ms | 23 MB |
g++ | max_random_03 | AC | 388 ms | 23 MB |
g++ | max_random_04 | AC | 372 ms | 23 MB |
g++ | random_00 | AC | 237 ms | 16 MB |
g++ | random_01 | AC | 262 ms | 18 MB |
g++ | random_02 | AC | 151 ms | 9 MB |
g++ | random_03 | AC | 146 ms | 20 MB |
g++ | random_04 | AC | 99 ms | 5 MB |
g++ | small_00 | AC | 7 ms | 4 MB |
g++ | small_01 | AC | 7 ms | 4 MB |
g++ | small_02 | AC | 7 ms | 4 MB |
g++ | small_03 | AC | 7 ms | 4 MB |
g++ | small_04 | AC | 7 ms | 4 MB |
clang++ | example_00 | AC | 7 ms | 4 MB |
clang++ | max_random_00 | AC | 433 ms | 23 MB |
clang++ | max_random_01 | AC | 384 ms | 23 MB |
clang++ | max_random_02 | AC | 383 ms | 23 MB |
clang++ | max_random_03 | AC | 393 ms | 23 MB |
clang++ | max_random_04 | AC | 386 ms | 23 MB |
clang++ | random_00 | AC | 246 ms | 16 MB |
clang++ | random_01 | AC | 274 ms | 18 MB |
clang++ | random_02 | AC | 152 ms | 9 MB |
clang++ | random_03 | AC | 145 ms | 20 MB |
clang++ | random_04 | AC | 97 ms | 5 MB |
clang++ | small_00 | AC | 7 ms | 4 MB |
clang++ | small_01 | AC | 7 ms | 4 MB |
clang++ | small_02 | AC | 7 ms | 4 MB |
clang++ | small_03 | AC | 7 ms | 4 MB |
clang++ | small_04 | AC | 7 ms | 4 MB |