結果
問題 | No.1038 TreeAddQuery |
ユーザー |
![]() |
提出日時 | 2020-03-02 18:41:01 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,130 bytes |
コンパイル時間 | 2,123 ms |
コンパイル使用メモリ | 200,496 KB |
最終ジャッジ日時 | 2025-01-09 03:52:05 |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 5 TLE * 19 |
ソースコード
#include <bits/stdc++.h>using namespace std;using int64 = long long;const int mod = 1e9 + 7;const int64 infll = (1LL << 58) - 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 {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)};}template< typename T >struct edge {int src, to;T cost;edge(int to, T cost) : src(-1), to(to), cost(cost) {}edge(int src, int to, T cost) : src(src), to(to), cost(cost) {}edge &operator=(const int &x) {to = x;return *this;}operator int() const { return to; }};template< typename T >using Edges = vector< edge< T > >;template< typename T >using WeightedGraph = vector< Edges< T > >;using UnWeightedGraph = vector< vector< int > >;template< typename T >using Matrix = vector< vector< T > >;int main() {int N, Q;cin >> N >> Q;UnWeightedGraph g(N);for(int i = 1; i < N; i++) {int a, b;cin >> a >> b;--a, --b;g[a].emplace_back(b);g[b].emplace_back(a);}vector< int64 > ans(N);auto dfs = MFP([&](auto dfs, int idx, int par, int dist, int add) -> void {ans[idx] += add;for(auto &to : g[idx]) {if(to == par) continue;if(dist > 0) dfs(to, idx, dist - 1, add);}});for(int i = 0; i < Q; i++) {int a, b, c;cin >> a >> b >> c;--a;cout << ans[a] << "\n";dfs(a, -1, b, c);}}