結果
問題 | No.1216 灯籠流し/Lanterns |
ユーザー | mtsd |
提出日時 | 2020-08-30 15:00:33 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,309 ms / 4,500 ms |
コード長 | 9,879 bytes |
コンパイル時間 | 2,492 ms |
コンパイル使用メモリ | 166,800 KB |
実行使用メモリ | 285,188 KB |
最終ジャッジ日時 | 2024-11-15 08:28:04 |
合計ジャッジ時間 | 28,158 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 19 ms
20,988 KB |
testcase_01 | AC | 18 ms
21,544 KB |
testcase_02 | AC | 18 ms
20,432 KB |
testcase_03 | AC | 19 ms
20,496 KB |
testcase_04 | AC | 49 ms
23,904 KB |
testcase_05 | AC | 1,213 ms
269,232 KB |
testcase_06 | AC | 107 ms
42,776 KB |
testcase_07 | AC | 1,186 ms
272,776 KB |
testcase_08 | AC | 1,081 ms
253,228 KB |
testcase_09 | AC | 484 ms
130,356 KB |
testcase_10 | AC | 522 ms
136,692 KB |
testcase_11 | AC | 223 ms
69,296 KB |
testcase_12 | AC | 46 ms
25,180 KB |
testcase_13 | AC | 250 ms
71,928 KB |
testcase_14 | AC | 80 ms
33,860 KB |
testcase_15 | AC | 119 ms
38,912 KB |
testcase_16 | AC | 116 ms
41,452 KB |
testcase_17 | AC | 437 ms
85,776 KB |
testcase_18 | AC | 128 ms
41,472 KB |
testcase_19 | AC | 549 ms
99,368 KB |
testcase_20 | AC | 253 ms
60,708 KB |
testcase_21 | AC | 149 ms
44,232 KB |
testcase_22 | AC | 457 ms
86,868 KB |
testcase_23 | AC | 70 ms
33,736 KB |
testcase_24 | AC | 72 ms
39,360 KB |
testcase_25 | AC | 47 ms
30,856 KB |
testcase_26 | AC | 322 ms
140,664 KB |
testcase_27 | AC | 121 ms
51,768 KB |
testcase_28 | AC | 85 ms
35,316 KB |
testcase_29 | AC | 174 ms
68,888 KB |
testcase_30 | AC | 263 ms
109,476 KB |
testcase_31 | AC | 450 ms
192,496 KB |
testcase_32 | AC | 242 ms
92,704 KB |
testcase_33 | AC | 80 ms
34,856 KB |
testcase_34 | AC | 1,309 ms
285,188 KB |
testcase_35 | AC | 985 ms
106,612 KB |
testcase_36 | AC | 721 ms
106,928 KB |
testcase_37 | AC | 665 ms
266,264 KB |
testcase_38 | AC | 561 ms
183,608 KB |
testcase_39 | AC | 1,153 ms
193,060 KB |
testcase_40 | AC | 927 ms
108,576 KB |
testcase_41 | AC | 971 ms
108,484 KB |
testcase_42 | AC | 956 ms
109,108 KB |
testcase_43 | AC | 964 ms
107,968 KB |
testcase_44 | AC | 985 ms
110,012 KB |
testcase_45 | AC | 583 ms
111,884 KB |
testcase_46 | AC | 590 ms
112,028 KB |
testcase_47 | AC | 582 ms
111,640 KB |
testcase_48 | AC | 588 ms
111,100 KB |
testcase_49 | AC | 588 ms
111,336 KB |
ソースコード
#include <algorithm> #include <bitset> #include <cassert> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstring> #include <deque> #include <functional> #include <iostream> #include <iomanip> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <unordered_map> #include <unordered_set> #include <vector> #include <cstdint> using namespace std; typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; #define MP make_pair #define PB push_back #define inf 1000000007 #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define all(x) (x).begin(),(x).end() template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){ std::fill( (T*)array, (T*)(array+N), val ); } template<class T> inline bool chmax(T &a, T b){ if(a<b){ a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b){ if(a>b){ a = b; return true; } return false; } template<typename T> class segtree { private: int n,sz; vector<T> node; public: void init(const vector<T>& v){ sz = (int)v.size(); n = 1; while(n < sz){ n *= 2; } node.assign(2*n,0); for(int i = 0; i < sz; i++){ node[i+n] = v[i]; } for(int i=n-1; i>=1; i--){ node[i] =node[2*i] + node[2*i+1]; } } void update(int k,T a){ node[k+=n] += a; while(k>>=1){ node[k] = node[2*k]+node[2*k+1]; } } T query(int a,int b){ T res1 = 0; T res2 = 0; a += n, b += n; while(a != b){ if(a & 1) res1 = res1+node[a++]; if(b & 1) res2 = node[--b]+ res2; a >>= 1, b>>= 1; } return res1+res2; } void print(){ for(int i = 0; i < sz; i++){ cout << query(i,i+1) << " "; } cout << endl; } }; //座標の型, 値の型 template<typename CandidateType, typename ValueType> class RangeTree { public: static_assert(std::is_integral<CandidateType>::value, "Integral required."); private: using CT = CandidateType; using VT = ValueType; using pcc = pair<CT, CT>; using pci = pair<CT, int>; int n, sz; vector<segtree<VT> > seg; // y座標, x座標 vector<vector<pcc> > yx; // y座標, x座標 vector<pcc> sorted; void update_(int id, const CT x, const CT y, const VT val) { id += n-1; const int yid = lower_bound(all(yx[id]), pcc(y, x)) - yx[id].begin(); seg[id].update(yid, val); while(id > 0){ id = (id - 1) / 2; const int yid = lower_bound(all(yx[id]), pcc(y, x)) - yx[id].begin(); seg[id].update(yid, val); } } VT query(const int lxid, const int rxid, const CT ly, const CT ry, const int k, const int l, const int r) { if(r <= lxid || rxid <= l) return 0; if(lxid <= l && r <= rxid){ const int lyid = lower_bound(all(yx[k]), pcc(ly, numeric_limits<CT>::min())) - yx[k].begin(); const int ryid = upper_bound(all(yx[k]), pcc(ry, numeric_limits<CT>::min())) - yx[k].begin(); return (lyid >= ryid) ? 0 : seg[k].query(lyid, ryid); }else{ return query(lxid, rxid, ly, ry, 2*k+1, l, (l+r)/2) + query(lxid, rxid, ly, ry, 2*k+2, (l+r)/2, r); } } public: // 座標, 点の値 RangeTree(const vector<pcc>& cand, const vector<VT>& val) : n(1), sz((int)cand.size()), sorted(sz){ while(n < sz) n *= 2; for(int i = 0; i < sz; ++i){ sorted[i] = {cand[i].first, i}; } sort(all(sorted), [&](const pcc& a, const pcc& b){ return (a.first == b.first) ? (cand[a.second].second < cand[b.second].second) : (a.first < b.first); }); yx.resize(2*n-1), seg.resize(2*n-1); for(int i = 0; i < sz; ++i){ yx[i+n-1] = {{sorted[i].second, sorted[i].first}}; vector<VT> arg = {val[sorted[i].second]}; seg[i+n-1].init(arg); sorted[i].second = cand[sorted[i].second].second; } for(int i = n-2; i >= 0; --i){ yx[i].resize((int)yx[2*i+1].size() + (int)yx[2*i+2].size()); if(yx[i].empty()) continue; merge(all(yx[2*i+1]), all(yx[2*i+2]), yx[i].begin(), [&](const pcc& a, const pcc& b){ return (cand[a.first].second == cand[b.first].second) ? (a.second < b.second) : (cand[a.first].second < cand[b.first].second); }); vector<VT> arg((int)yx[i].size()); for(int j = 0; j < (int)yx[i].size(); ++j){ arg[j] = val[yx[i][j].first]; } seg[i].init(arg); } for(int i = 0; i < 2*n-1; ++i){ for(pcc& e : yx[i]){ e.first = cand[e.first].second; } } } // 点 (x,y) の更新を行う void update(const CT x, const CT y, const VT val){ const int id = lower_bound(all(sorted), pcc(x, y)) - sorted.begin(); return update_(id, x, y, val); } // [lx,rx) × [ly,ry) の長方形領域のクエリに答える VT query(const CT lx, const CT ly, const CT rx, const CT ry){ const int lxid = lower_bound(all(sorted), pcc(lx, numeric_limits<CT>::min())) - sorted.begin(); const int rxid = upper_bound(all(sorted), pcc(rx, numeric_limits<CT>::min())) - sorted.begin(); return (lxid >= rxid) ? 0 : query(lxid, rxid, ly, ry, 0, 0, n); } }; vector<vector<pair<int,ll> > > g; ll parent[17][50000]; ll dep[50000]; void init(int id,int pre){ for(auto x:g[id]){ if(x.first == pre)continue; dep[x.first] = dep[id] + x.second; parent[0][x.first] = id; init(x.first,id); } } vector<pair<ll,int>>add[50000]; vector<pair<ll,int>>del[50000]; vector<pair<ll,int>>question[50000]; vector<pair<ll,ll> > cand[50000]; set<pair<ll,ll> > q[50000]; int leaf[50000]; void cand_init(int id,int pre){ int mx_size = -1; for(auto x:g[id]){ if(x.first == pre)continue; cand_init(x.first,id); if(mx_size < (int)cand[leaf[x.first]].size()){ mx_size = cand[leaf[x.first]].size(); leaf[id] = leaf[x.first]; } } if(mx_size==-1){ leaf[id] = id; }else{ for(auto x:g[id]){ if(x.first==pre)continue; if(leaf[id]!=leaf[x.first]){ for(auto &x:cand[leaf[x.first]]){ cand[leaf[id]].push_back(x); } } } } for(auto x:add[id]){ cand[leaf[id]].push_back(x); } for(auto x:question[id]){ cand[leaf[id]].push_back(x); } } vector<RangeTree<ll,int>> rt; vector<pair<int,int> > ans; void ans_dfs(int id,int pre){ for(auto x:g[id]){ if(x.first == pre)continue; ans_dfs(x.first,id); } for(auto x:g[id]){ if(x.first == pre)continue; if(leaf[x.first]!=leaf[id]){ for(auto y:q[leaf[x.first]]){ q[leaf[id]].insert(y); rt[leaf[id]].update(y.first,y.second,1); } } } // cerr << "answer" << endl; // cerr << id << endl; // for(auto x:q[leaf[id]]){ // cerr << x.first << " " << x.second << endl; // } for(auto x:add[id]){ rt[leaf[id]].update(x.first,x.second,1); q[leaf[id]].insert(x); } for(auto x:question[id]){ ans.push_back({x.second,rt[leaf[id]].query(0,0,x.first+1,x.second+1)}); } for(auto x:del[id]){ rt[leaf[id]].update(x.first,x.second,-1); q[leaf[id]].erase(x); } } int main(){ cin.tie(0); ios::sync_with_stdio(false); int n,Q; cin >> n >> Q; g.resize(n); rep(i,n-1){ int a,b; ll c; cin >> a >> b >> c; a--;b--; g[a].push_back({b,c}); g[b].push_back({a,c}); } init(0,-1); vector<int> tlist; rep(tt,Q){ int type,V; ll T,L; cin >> type >> V >> T >> L; V--; if(type==0){ add[V].push_back({T+dep[V],tt}); ll TT = T+dep[V]; while(V!=0){ bool ff = 0; for(int i=16;i>=0;i--){ int P = parent[i][V]; if(dep[V]-dep[P] <= L){ ff = 1; L -= dep[V]-dep[P]; V = P; break; } } if(!ff){ break; } } del[V].push_back({TT,tt}); }else{ question[V].push_back({T+dep[V],tt}); } } rep(i,50000){ leaf[i] = -1; } cand_init(0,-1); rep(i,50000){ vector<int> pp; rep(zz,cand[i].size()){ pp.push_back(0); } rt.push_back(RangeTree<ll,int>(cand[i],pp)); } // rep(i,n){ // cout <<"test:" << i << " " << leaf[i] << endl; // cerr << "cand\n"; // for(auto x:cand[i]){ // cout << x.first << " " << x.second << endl; // } // cerr << "add\n"; // for(auto x:add[i]){ // cout << x.first << " " << x.second << endl; // } // cerr << "question\n"; // for(auto x:question[i]){ // cout << x.first << " " << x.second << endl; // } // cerr << "del\n"; // for(auto x:del[i]){ // cout << x.first << " " << x.second << endl; // } // } ans_dfs(0,-1); sort(all(ans)); for(auto x:ans){ cout << x.second << "\n"; } return 0; }