結果
問題 | No.1216 灯籠流し/Lanterns |
ユーザー | yosupot |
提出日時 | 2020-08-30 15:14:33 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 17,212 bytes |
コンパイル時間 | 1,682 ms |
コンパイル使用メモリ | 138,588 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-15 08:44:22 |
合計ジャッジ時間 | 9,593 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
ソースコード
//#pragma GCC optimize("Ofast") //#pragma GCC target("avx") //#undef LOCAL #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <complex> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); } template <class T> using V = vector<T>; template <class T> using VV = V<V<T>>; #include <unistd.h> struct Scanner { int fd = -1; char line[(1 << 15) + 1]; size_t st = 0, ed = 0; void reread() { memmove(line, line + st, ed - st); ed -= st; st = 0; ed += ::read(fd, line + ed, (1 << 15) - ed); line[ed] = '\0'; } bool succ() { while (true) { if (st == ed) { reread(); if (st == ed) return false; } while (st != ed && isspace(line[st])) st++; if (st != ed) break; } if (ed - st <= 50) { bool sep = false; for (size_t i = st; i < ed; i++) { if (isspace(line[i])) { sep = true; break; } } if (!sep) reread(); } return true; } template <class T, enable_if_t<is_same<T, string>::value, int> = 0> bool read_single(T& ref) { if (!succ()) return false; while (true) { size_t sz = 0; while (st + sz < ed && !isspace(line[st + sz])) sz++; ref.append(line + st, sz); st += sz; if (!sz || st != ed) break; reread(); } return true; } template <class T, enable_if_t<is_integral<T>::value>* = nullptr> bool read_single(T& ref) { if (!succ()) return false; bool neg = false; if (line[st] == '-') { neg = true; st++; } ref = T(0); while (isdigit(line[st])) { ref = 10 * ref + (line[st++] & 0xf); } if (neg) ref = -ref; return true; } template <class T> bool read_single(V<T>& ref) { for (auto& d : ref) { if (!read_single(d)) return false; } return true; } void read() {} template <class H, class... T> void read(H& h, T&... t) { bool f = read_single(h); assert(f); read(t...); } int read_unsafe() { return 0; } template <class H, class... T> int read_unsafe(H& h, T&... t) { bool f = read_single(h); if (!f) return 0; return 1 + read_unsafe(t...); } Scanner(FILE* fp) : fd(fileno(fp)) {} }; struct Printer { public: template <bool F = false> void write() {} template <bool F = false, class H, class... T> void write(const H& h, const T&... t) { if (F) write_single(' '); write_single(h); write<true>(t...); } template <class... T> void writeln(const T&... t) { write(t...); write_single('\n'); } Printer(FILE* _fp) : fp(_fp) {} ~Printer() { flush(); } private: static constexpr size_t SIZE = 1 << 15; FILE* fp; char line[SIZE], small[50]; size_t pos = 0; void flush() { fwrite(line, 1, pos, fp); pos = 0; } void write_single(const char& val) { if (pos == SIZE) flush(); line[pos++] = val; } template <class T, enable_if_t<is_integral<T>::value>* = nullptr> void write_single(T val) { if (pos > (1 << 15) - 50) flush(); if (val == 0) { write_single('0'); return; } if (val < 0) { write_single('-'); val = -val; // todo min } size_t len = 0; while (val) { small[len++] = char(0x30 | (val % 10)); val /= 10; } for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; } pos += len; } void write_single(__int128 val) { if (pos > (1 << 15) - 50) flush(); if (val == 0) { write_single('0'); return; } if (val < 0) { write_single('-'); val = -val; // todo min } size_t len = 0; while (val) { small[len++] = char(0x30 | (val % 10)); val /= 10; } for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; } pos += len; } void write_single(const string& s) { for (char c : s) write_single(c); } void write_single(const char* s) { size_t len = strlen(s); for (size_t i = 0; i < len; i++) write_single(s[i]); } template <class T> void write_single(const V<T>& val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) write_single(' '); write_single(val[i]); } } }; /** * Multiset(AA Tree) * * template引数のclass Dは要素の型、class Cは比較関数 */ template<class D, class C = less<D>> struct AAMSet { struct Node; using NP = Node*; static Node last_d; static NP last; struct Node { NP l, r; int level, sz; D v; Node(): l(nullptr), r(nullptr), level(0), sz(0) {} Node(D vv): l(last), r(last), level(1), sz(1) { v = vv; } /// メモリプールをしたい時のためにnewはラッパする static NP make() { return new Node(); } static NP make(D vv) { return new Node(vv); } inline void update() { sz = 1+l->sz+r->sz; } inline void push() { } } *n; static D at(NP n, int k) { if (k == n->l->sz) return n->v; n->push(); if (k < n->l->sz) { return at(n->l, k); } else { return at(n->r, k - (n->l->sz+1)); } } /// k番目の要素を取得 D at(int k) { return at(n, k); } static int lb(NP n, D x) { if (n == last) return 0; if (C()(n->v, x)) return n->l->sz + 1 + lb(n->r, x); return lb(n->l, x); } /// lower_bound、ただし返り値はインデックス int lb(D v) { return lb(n, v); } static int ub(NP n, D x) { if (n == last) return 0; if (C()(x, n->v)) return ub(n->l, x); return n->l->sz + 1 + ub(n->r, x); } /// upper_bound、ただし返り値はインデックス int ub(D v) { return ub(n, v); } static NP insert(NP n, D x) { if (n == last) { return Node::make(x); } n->push(); if (!C()(n->v, x)) { n->l = insert(n->l, x); n->update(); } else { n->r = insert(n->r, x); n->update(); } n = skew(n); n = pull(n); return n; } /// xをinsertする void insert(D x) { n = insert(n, lb(x), x); } static NP erase(NP n, D x) { assert(n != last); n->push(); if (!C()(n->v, x) && !C()(x, n->v)) { if (n->level == 1) { return n->r; } auto x = at0_with_remove(n->r); NP nn = x.first; nn->push(); nn->l = n->l; nn->r = x.second; nn->level = n->level; nn->update(); return rightdown(nn); } if (C()(x, n->v)) { n->l = erase(n->l, x); n->update(); return leftdown(n); } else { n->r = erase(n->r, x); n->update(); return rightdown(n); } } /// xを削除する void erase(D x) { n = remove(n, lb(x)); } static void tp(NP n) { if (n == last) return; n->push(); tp(n->l); cout << n->v << " "; tp(n->r); } void tp() { tp(n); printf("\n"); } static void allpush(NP n) { if (n == last) return; n->push(); allpush(n->l); allpush(n->r); } void allpush() { allpush(n); return; } static NP built(int sz, D d[]) { if (!sz) return last; int md = (sz-1)/2; NP n = Node::make(d[md]); n->l = built(md, d); n->r = built(sz-(md+1), d+(md+1)); n->level = n->l->level+1; n->update(); return n; } AAMSet() : n(last) {} AAMSet(NP n) : n(n) {} //木の初期化はn回insertより一気に作る方が有意に速くなる事が多い AAMSet(int sz, D d[]) { n = built(sz, d); } //基本動作 int sz() { return n->sz; } int size() { return sz(); } void merge(AAMSet r) { n = merge(n, r.n); } AAMSet split(int k) { auto y = split(n, k); n = y.first; return AAMSet(y.second); } void insert(int k, D x) { n = insert(n, k, x); } void remove(int k) { n = remove(n, k); } //AA木の基本動作であるskew/split splitは名前が紛らわしいためpullに変更してある static NP skew(NP n) { if (n->level == n->l->level) { NP L = n->l; n->push(); L->push(); n->l = L->r; L->r = n; n->update(); L->update(); return L; } return n; } static NP pull(NP n) { if (n->level == n->r->level && n->r->level == n->r->r->level) { NP R = n->r; n->push(); R->push(); n->r = R->l; R->l = n; R->level++; n->update(); R->update(); return R; } return n; } static NP leftdown(NP n) { assert(n->l->level < n->level); if (n->l->level == n->level-1) return n; n->level--; if (n->r->level == n->level) { n = pull(n); } else { n->r->level--; n->r = skew(n->r); n->r->r = skew(n->r->r); n = pull(n); n->r = pull(n->r); } return n; } static NP rightdown(NP n) { assert(n->r->level <= n->level); if (n->r->level >= n->level-1) return n; n->level--; n = skew(n); n->r = skew(n->r); n = pull(n); return n; } static NP superleftdown(NP n) { if (n->l->level == n->level-1) return n; if (n->level != n->r->level && n->r->level != n->r->r->level) { n->level--; return superleftdown(n); } n = leftdown(n); n->l = superleftdown(n->l); n = leftdown(n); return n; } static NP superrightdown(NP n) { if (n->r->level >= n->level-1) return n; n = rightdown(n); n->r = superrightdown(n->r); n = rightdown(n); return n; } static NP insert(NP n, int k, D x) { if (n == last) { assert(k == 0); return Node::make(x); } n->push(); if (k <= n->l->sz) { n->l = insert(n->l, k, x); n->update(); } else { n->r = insert(n->r, k - (n->l->sz+1), x); n->update(); } n = skew(n); n = pull(n); return n; } //pair<0番目の要素,0番目の要素を削除した木> static pair<NP, NP> at0_with_remove(NP n) { n->push(); if (n->l == last) { return {n, n->r}; } auto x = at0_with_remove(n->l); n->l = x.second; n->update(); x.second = leftdown(n); return x; } static NP remove(NP n, int k) { assert(n != last); n->push(); if (k == n->l->sz) { if (n->level == 1) { return n->r; } auto x = at0_with_remove(n->r); NP nn = x.first; nn->push(); nn->l = n->l; nn->r = x.second; nn->level = n->level; nn->update(); return rightdown(nn); } if (k < n->l->sz) { n->l = remove(n->l, k); n->update(); return leftdown(n); } else { n->r = remove(n->r, k - (n->l->sz+1)); n->update(); return rightdown(n); } } static NP merge(NP l, NP r) { if (l == last) return r; if (r == last) return l; if (l->level == r->level) { auto x = at0_with_remove(r); NP n = x.first; n->push(); n->r = x.second; n->l = l; n->level = l->level+1; n->update(); return rightdown(n); } NP n; l->push(); r->push(); if (l->level > r->level) { l->push(); l->r = merge(l->r, r); l->update(); n = l; } else { r->push(); r->l = merge(l, r->l); r->update(); n = r; } n = skew(n); n = pull(n); return n; } static pair<NP, NP> split(NP n, int k) { if (n == last) return {last, last}; n->push(); if (k <= n->l->sz) { auto y = split(n->l, k); n->l = y.second; n->update(); n = superleftdown(n); y.second = n; return y; } else { auto y = split(n->r, k- (n->l->sz+1)); n->r = y.first; n->update(); n = superrightdown(n); y.first = n; return y; } } }; template<class D, class C> typename AAMSet<D, C>::Node AAMSet<D, C>::last_d = AAMSet<D, C>::Node(); template<class D, class C> typename AAMSet<D, C>::NP AAMSet<D, C>::last = &AAMSet<D, C>::last_d; Scanner sc = Scanner(stdin); Printer pr = Printer(stdout); struct Node { using NP = Node*; NP l = nullptr, r = nullptr; int sz; Node(int _sz) : sz(_sz) { if (sz == 1) return; l = new Node(sz / 2); r = new Node(sz - sz / 2); } AAMSet<ll> st0, st1; void add(int k, ll x, int f) { if (sz == 1) return; if (f) st0.insert(x); else st1.insert(x); if (k < sz / 2) { l->add(k, x, f); } else { r->add(k - sz / 2, x, f); } } int get(int a, int b, ll up) { if (b <= 0 || sz <= a) return 0; if (a <= 0 && sz <= b) { return st0.lb(up) - st1.lb(up); } return l->get(a, b, up) + r->get(a - sz / 2, b - sz / 2, up); } }; int main() { int n, q; sc.read(n, q); assert(n <= 2000); struct E { int to; ll dist; }; VV<E> g(n); for (int i = 0; i < n - 1; i++) { int u, v; ll w; sc.read(u, v, w); u--; v--; g[u].push_back({v, w}); g[v].push_back({u, w}); } V<int> lord(n), rord(n); int ord = 0; VV<int> par(16, V<int>(n, -1)); VV<ll> dist(16, V<ll>(n, TEN(18))); V<ll> height(n); auto dfs = [&](auto self, int p, int b) -> void { lord[p] = ord++; for (auto e: g[p]) { int d = e.to; if (d == b) continue; par[0][d] = p; dist[0][d] = e.dist; height[d] = height[p] + e.dist; self(self, d, p); } rord[p] = ord; }; dfs(dfs, 0, -1); for (int ph = 1; ph < 16; ph++) { for (int i = 0; i < n; i++) { int pp = par[ph - 1][i]; par[ph][i] = (pp == -1 ? -1 : par[ph - 1][pp]); dist[ph][i] = (pp == -1 ? TEN(18) : dist[ph - 1][i] + dist[ph - 1][pp]); } } //auto tr = new Node(n); V<AAMSet<ll>> naive(n); for (int i = 0; i < q; i++) { int ty, u; ll t, l; sc.read(ty, u, t, l); u--; t += height[u]; if (ty == 0) { int v = u; ll nl = l; for (int ph = 15; ph >= 0; ph--) { if (dist[ph][v] <= l) { l -= dist[ph][v]; v = par[ph][v]; } } l = nl; v = par[0][v]; while (u != -1 && l >= 0) { naive[u].insert(t); l -= dist[0][u]; u = par[0][u]; } ; assert(u == v); // tr->add(lord[u], t + height[u], 1); // if (v != -1) tr->add(lord[v], t + height[u], 0); } else { ; pr.writeln(naive[u].ub(t)); /* dbg(u, t + height[u] + 1); int ans = tr->get(lord[u], rord[u], t + height[u] + 1); pr.writeln(ans);*/ } } return 0; }