結果
問題 | No.2861 Slime Party |
ユーザー | 👑 potato167 |
提出日時 | 2024-08-27 03:21:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 717 ms / 4,000 ms |
コード長 | 6,866 bytes |
コンパイル時間 | 3,238 ms |
コンパイル使用メモリ | 235,564 KB |
実行使用メモリ | 70,816 KB |
最終ジャッジ日時 | 2024-08-27 03:22:12 |
合計ジャッジ時間 | 42,974 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 | 305 ms
70,692 KB |
testcase_01 | AC | 3 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 5 ms
6,944 KB |
testcase_14 | AC | 4 ms
6,944 KB |
testcase_15 | AC | 4 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,944 KB |
testcase_19 | AC | 3 ms
6,944 KB |
testcase_20 | AC | 3 ms
6,940 KB |
testcase_21 | AC | 604 ms
40,512 KB |
testcase_22 | AC | 594 ms
40,544 KB |
testcase_23 | AC | 634 ms
40,632 KB |
testcase_24 | AC | 578 ms
40,344 KB |
testcase_25 | AC | 644 ms
40,552 KB |
testcase_26 | AC | 500 ms
40,344 KB |
testcase_27 | AC | 518 ms
40,460 KB |
testcase_28 | AC | 485 ms
40,464 KB |
testcase_29 | AC | 459 ms
40,476 KB |
testcase_30 | AC | 555 ms
40,456 KB |
testcase_31 | AC | 638 ms
40,476 KB |
testcase_32 | AC | 705 ms
40,472 KB |
testcase_33 | AC | 617 ms
40,464 KB |
testcase_34 | AC | 638 ms
40,336 KB |
testcase_35 | AC | 648 ms
40,492 KB |
testcase_36 | AC | 636 ms
40,512 KB |
testcase_37 | AC | 595 ms
40,532 KB |
testcase_38 | AC | 661 ms
40,484 KB |
testcase_39 | AC | 648 ms
40,456 KB |
testcase_40 | AC | 591 ms
40,460 KB |
testcase_41 | AC | 702 ms
40,480 KB |
testcase_42 | AC | 664 ms
40,504 KB |
testcase_43 | AC | 679 ms
40,452 KB |
testcase_44 | AC | 678 ms
40,552 KB |
testcase_45 | AC | 676 ms
40,472 KB |
testcase_46 | AC | 618 ms
40,344 KB |
testcase_47 | AC | 633 ms
40,344 KB |
testcase_48 | AC | 717 ms
40,472 KB |
testcase_49 | AC | 627 ms
40,464 KB |
testcase_50 | AC | 674 ms
40,452 KB |
testcase_51 | AC | 400 ms
70,664 KB |
testcase_52 | AC | 381 ms
70,704 KB |
testcase_53 | AC | 399 ms
70,740 KB |
testcase_54 | AC | 377 ms
70,772 KB |
testcase_55 | AC | 377 ms
70,688 KB |
testcase_56 | AC | 398 ms
70,660 KB |
testcase_57 | AC | 391 ms
70,652 KB |
testcase_58 | AC | 416 ms
70,656 KB |
testcase_59 | AC | 372 ms
70,680 KB |
testcase_60 | AC | 389 ms
70,636 KB |
testcase_61 | AC | 427 ms
70,576 KB |
testcase_62 | AC | 401 ms
70,668 KB |
testcase_63 | AC | 434 ms
70,732 KB |
testcase_64 | AC | 407 ms
70,700 KB |
testcase_65 | AC | 397 ms
70,680 KB |
testcase_66 | AC | 439 ms
70,812 KB |
testcase_67 | AC | 281 ms
70,816 KB |
testcase_68 | AC | 350 ms
70,648 KB |
testcase_69 | AC | 312 ms
70,728 KB |
testcase_70 | AC | 303 ms
70,704 KB |
testcase_71 | AC | 341 ms
70,716 KB |
testcase_72 | AC | 404 ms
70,636 KB |
testcase_73 | AC | 424 ms
70,692 KB |
testcase_74 | AC | 400 ms
70,668 KB |
testcase_75 | AC | 347 ms
70,664 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; const int mod=998244353; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;} template<class T> void vec_out(vector<T> &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";} else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}} template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} template<class T> bool inside(T l,T x,T r){return l<=x&&x<r;} template <typename G> struct HeavyLightDecomposition { void dfs_sz(int cur) { size[cur] = 1; for(auto& dst : g[cur]) { if(dst == par[cur]) { if((int)g[cur].size() >= 2 && dst == g[cur][0]) swap(g[cur][0], g[cur][1]); else continue; } depth[dst] = depth[cur] + 1; par[dst] = cur; dfs_sz(dst); size[cur] += size[dst]; if(size[dst] > size[g[cur][0]]) swap(dst, g[cur][0]); } } void dfs_hld(int cur) { down[cur] = id++; for(auto dst : g[cur]) if(dst != par[cur]) { nxt[dst] = dst == g[cur][0] ? nxt[cur] : dst; dfs_hld(dst); } up[cur] = id; } // [u, v) vector<pair<int, int>> ascend(int u, int v) const { vector<pair<int, int>> res; while(nxt[u] != nxt[v]) { res.emplace_back(down[u], down[nxt[u]]); u = par[nxt[u]]; } if(u != v) res.emplace_back(down[u], down[v] + 1); return res; } // (u, v] vector<pair<int, int>> descend(int u, int v) const { if(u == v) return {}; if(nxt[u] == nxt[v]) return {{down[u] + 1, down[v]}}; auto res = descend(u, par[nxt[v]]); res.emplace_back(down[nxt[v]], down[v]); return res; } G& g; int n, id; vector<int> size, depth, down, up, nxt, par; HeavyLightDecomposition(G& _g, int root = 0) : g(_g), n(g.size()), id(0), size(n), depth(n), down(n, -1), up(n, -1), nxt(n, root), par(n, root) { dfs_sz(root); dfs_hld(root); } pair<int, int> idx(int i) const { return {down[i], up[i]}; } template <typename F> void path_query(int u, int v, bool vertex, const F& f) { int l = lca(u, v); for(auto& [a, b] : ascend(u, l)) { int s = a + 1, t = b; s > t ? f(t, s) : f(s, t); } if(vertex) f(down[l], down[l] + 1); for(auto& [a, b] : descend(l, v)) { int s = a, t = b + 1; s > t ? f(t, s) : f(s, t); } } template <typename F> void path_query_easy (int u, int v, bool vertex, const F& f) { int l = lca(u, v); for(auto& [a, b] : ascend(u, l)) f(a + 1, b); if(vertex) f(down[l], down[l] + 1); for(auto& [a, b] : descend(l, v)) f(a, b + 1); } template <typename F> void subtree_query(int u, bool vertex, const F& f) { f(down[u] + !vertex, up[u]); } int lca(int a, int b) { while(nxt[a] != nxt[b]) { if(down[a] < down[b]) swap(a, b); a = par[nxt[a]]; } return depth[a] < depth[b] ? a : b; } int dist(int a, int b) { return depth[a] + depth[b] - depth[lca(a, b)] * 2; } }; #include <atcoder/segtree> using F = pair<ll, ll>; F op_max(F a, F b){ return max(a, b); } F e_max(){ return {-1, -1}; } #include <atcoder/lazysegtree> using lazy_S = ll; using lazy_F = ll; lazy_S lazy_op(lazy_S l, lazy_S r) { return min(l, r); } lazy_S lazy_e() { return ILL; } lazy_S mapping(lazy_F l, lazy_S r) { return l + r; } //l(r(x)) lazy_F composition(lazy_F l, lazy_F r) { return l + r; } lazy_F lazy_id(){return 0;} #define lazy_calc lazy_S,lazy_op,lazy_e,lazy_F,mapping,composition,lazy_id ll target; bool g(ll x){ return x > target; } void solve(); // CYAN / FREDERIC int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; rep(i, 0, t) solve(); } void solve(){ ll N, Q, L; cin >> N >> Q >> L; vector<ll> A(N), X(N); rep(i, 0, N) cin >> A[i]; rep(i, 0, N) cin >> X[i]; vector<vector<int>> G(N); atcoder::segtree<F, op_max, e_max> seg(N); vector<ll> S(N), pare(N, -1); auto f = [&](auto self, int l, int r, int ind) -> ll { int a = seg.prod(l, ind).second; int b = seg.prod(ind + 1, r).second; if (a != -1){ pare[a] = ind; G[ind].push_back(a); S[ind] += self(self, l, ind, a); } if (b != -1){ pare[b] = ind; G[ind].push_back(b); S[ind] += self(self, ind + 1, r, b); } S[ind] += X[ind]; return S[ind]; }; rep(i, 0, N) seg.set(i, {A[i], i}); int root = seg.all_prod().second; f(f, 0, N, root); atcoder::lazy_segtree<lazy_calc> path(N); HeavyLightDecomposition H(G, root); vector<int> inv(N); rep(i, 0, N) inv[H.down[i]] = i; vector<ll> B(N, ILL); rep(i, 0, N) if (i != root) B[i] = A[pare[i]]; rep(i, 0, N){ path.set(H.down[i], S[i] - B[i]); } while (Q--){ int t; cin >> t; if (t == 1){ ll a, b; cin >> a >> b; a--; auto add = [&](int l, int r) -> void { path.apply(l, r, b - X[a]); }; H.path_query_easy(root, a, 1, add); X[a] = b; } if (t == 2){ ll c; cin >> c; ll ind = c; if (A[ind] > A[ind - 1]) ind = c - 1; if (A[ind] > L){ cout << L << "\n"; continue; } int ans = -1; target = -L; auto que = [&](int l, int r) -> void { if (ans != -1 || g(path.prod(l, r))) return; int b = path.min_left<g>(r); ans = b - 1; }; H.path_query(ind, root, 1, que); cout << L + B[inv[ans]] + path.get(ans) << "\n"; } } }