結果
| 問題 |
No.899 γatheree
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-03-06 14:41:10 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,266 bytes |
| コンパイル時間 | 1,592 ms |
| コンパイル使用メモリ | 132,136 KB |
| 実行使用メモリ | 18,048 KB |
| 最終ジャッジ日時 | 2024-10-14 02:48:13 |
| 合計ジャッジ時間 | 18,755 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | WA * 23 |
ソースコード
#include <cstdio>
#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
constexpr long long MAX = 5100000;
constexpr long long INF = 1LL << 60;
constexpr int inf = 1 << 28;
constexpr long long mod = 1000000007LL;
//constexpr long long mod = 998244353LL;
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
template< typename Monoid, typename OperatorMonoid = Monoid >
struct LazySegmentTree {
using F = function< Monoid(Monoid, Monoid) >;
using G = function< Monoid(Monoid, OperatorMonoid) >;
using H = function< OperatorMonoid(OperatorMonoid, OperatorMonoid) >;
int sz, height;
vector< Monoid > data;
vector< OperatorMonoid > lazy;
const F f;
const G g;
const H h;
const Monoid M1;
const OperatorMonoid OM0;
LazySegmentTree(int n, const F f, const G g, const H h,
const Monoid& M1, const OperatorMonoid OM0)
: f(f), g(g), h(h), M1(M1), OM0(OM0) {
sz = 1;
height = 0;
while (sz < n) sz <<= 1, height++;
data.assign(2 * sz, M1);
lazy.assign(2 * sz, OM0);
}
void set(int k, const Monoid& x) {
data[k + sz] = x;
}
void build() {
for (int k = sz - 1; k > 0; k--) {
data[k] = f(data[2 * k + 0], data[2 * k + 1]);
}
}
inline void propagate(int k) {
if (lazy[k] != OM0) {
lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
data[k] = reflect(k);
lazy[k] = OM0;
}
}
inline Monoid reflect(int k) {
return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
}
inline void recalc(int k) {
while (k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1));
}
inline void thrust(int k) {
for (int i = height; i > 0; i--) propagate(k >> i);
}
void update(int a, int b, const OperatorMonoid& x) {
thrust(a += sz);
thrust(b += sz - 1);
for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) lazy[l] = h(lazy[l], x), ++l;
if (r & 1) --r, lazy[r] = h(lazy[r], x);
}
recalc(a);
recalc(b);
}
Monoid query(int a, int b) {
thrust(a += sz);
thrust(b += sz - 1);
Monoid L = M1, R = M1;
for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if (l & 1) L = f(L, reflect(l++));
if (r & 1) R = f(reflect(--r), R);
}
return f(L, R);
}
Monoid operator[](const int& k) {
return query(k, k + 1);
}
template< typename C >
int find_subtree(int a, const C& check, Monoid& M, bool type) {
while (a < sz) {
propagate(a);
Monoid nxt = type ? f(reflect(2 * a + type), M) : f(M, reflect(2 * a + type));
if (check(nxt)) a = 2 * a + type;
else M = nxt, a = 2 * a + 1 - type;
}
return a - sz;
}
template< typename C >
int find_first(int a, const C& check) {
Monoid L = M1;
if (a <= 0) {
if (check(f(L, reflect(1)))) return find_subtree(1, check, L, false);
return -1;
}
thrust(a + sz);
int b = sz;
for (a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
if (a & 1) {
Monoid nxt = f(L, reflect(a));
if (check(nxt)) return find_subtree(a, check, L, false);
L = nxt;
++a;
}
}
return -1;
}
template< typename C >
int find_last(int b, const C& check) {
Monoid R = M1;
if (b >= sz) {
if (check(f(reflect(1), R))) return find_subtree(1, check, R, true);
return -1;
}
thrust(b + sz - 1);
int a = sz;
for (b += sz; a < b; a >>= 1, b >>= 1) {
if (b & 1) {
Monoid nxt = f(reflect(--b), R);
if (check(nxt)) return find_subtree(b, check, R, true);
R = nxt;
}
}
return -1;
}
};
pair<ll, ll> f1(pair<ll, ll> a, pair<ll, ll> b) {
return { a.first + b.first, a.second + b.second };
}
pair<ll, ll> f2(pair<ll, ll> a, ll b) {
if (b == INF) return a;
else return { b * a.second, a.second };
}
ll f3(ll a, ll b) {
if (b == INF) return a;
else return b;
}
vector<int> g[100005];
int main()
{
/*
cin.tie(nullptr);
ios::sync_with_stdio(false);
*/
int n; scanf("%d", &n);
for (int i = 0; i < n - 1; i++) {
int u, v; scanf("%d %d", &u, &v);
g[u].push_back(v);
g[v].push_back(u);
}
vector<int> idx(n, -1), par(n, -1);
vector<int> L1(n, -1), R1(n, -1), L2(n, -1), R2(n, -1);
queue<ll> q; q.push(0);
idx[0] = 0;
int now = 1;
while (!q.empty()) {
int cur = q.front();
q.pop();
for (auto next : g[cur]) {
if (idx[next] != -1) continue;
idx[next] = now++;
par[next] = cur;
if (L1[cur] == -1) L1[cur] = idx[next];
R1[cur] = idx[next];
int p = par[cur];
if (p != -1) {
if (L2[p] == -1) L2[p] = idx[next];
R2[p] = idx[next];
}
q.push(next);
}
}
LazySegmentTree<pair<ll, ll>, ll> lsg(n + 1, f1, f2, f3, { 0,0 }, INF);
for (int i = 0; i < n; i++) {
int a; scanf("%d", &a);
lsg.set(idx[i], { a,1 });
}
lsg.build();
int Q; scanf("%d", &Q);
while (Q--) {
int x; scanf("%d", &x);
ll res = 0;
res += lsg.query(idx[x], idx[x] + 1).first;
lsg.update(x, x + 1, 0);
if (L1[x] != -1) {
res += lsg.query(L1[x], R1[x] + 1).first;
lsg.update(L1[x], R1[x] + 1, 0);
}
if (L2[x] != -1) {
res += lsg.query(L2[x], R2[x] + 1).first;
lsg.update(L2[x], R2[x] + 1, 0);
}
if (par[x] != -1) {
int p = idx[par[x]];
res += lsg.query(p, p + 1).first;
lsg.update(p, p + 1, 0);
if (par[par[x]] != -1) {
int pp = idx[par[par[x]]];
res += lsg.query(pp, pp + 1).first;
lsg.update(pp, pp + 1, 0);
}
if (L1[par[x]] != -1) {
res += lsg.query(L1[par[x]], R1[par[x]] + 1).first;
lsg.update(L1[par[x]], R1[par[x]] + 1, 0);
}
}
printf("%lld\n", res);
lsg.update(idx[x], idx[x] + 1, res);
}
return 0;
/*
おまじないを使ったらscanfとprintf関連注意!!!!!!!!!!!!
*/
}