結果
問題 | No.2595 Parsing Challenge |
ユーザー | 👑 tute7627 |
提出日時 | 2023-12-23 01:14:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 558 ms / 6,000 ms |
コード長 | 33,196 bytes |
コンパイル時間 | 5,067 ms |
コンパイル使用メモリ | 265,144 KB |
実行使用メモリ | 191,836 KB |
最終ジャッジ日時 | 2024-09-27 11:53:24 |
合計ジャッジ時間 | 15,352 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 4 ms
6,944 KB |
testcase_21 | AC | 5 ms
6,944 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 4 ms
6,944 KB |
testcase_24 | AC | 5 ms
6,940 KB |
testcase_25 | AC | 31 ms
10,848 KB |
testcase_26 | AC | 34 ms
13,008 KB |
testcase_27 | AC | 32 ms
12,396 KB |
testcase_28 | AC | 32 ms
12,512 KB |
testcase_29 | AC | 31 ms
12,640 KB |
testcase_30 | AC | 283 ms
88,224 KB |
testcase_31 | AC | 281 ms
90,284 KB |
testcase_32 | AC | 295 ms
93,224 KB |
testcase_33 | AC | 276 ms
84,116 KB |
testcase_34 | AC | 280 ms
88,472 KB |
testcase_35 | AC | 534 ms
91,320 KB |
testcase_36 | AC | 553 ms
89,724 KB |
testcase_37 | AC | 558 ms
92,580 KB |
testcase_38 | AC | 550 ms
91,232 KB |
testcase_39 | AC | 542 ms
91,276 KB |
testcase_40 | AC | 17 ms
7,308 KB |
testcase_41 | AC | 17 ms
7,184 KB |
testcase_42 | AC | 17 ms
7,312 KB |
testcase_43 | AC | 176 ms
191,836 KB |
testcase_44 | AC | 169 ms
52,676 KB |
testcase_45 | AC | 168 ms
52,644 KB |
testcase_46 | AC | 163 ms
52,500 KB |
testcase_47 | AC | 166 ms
52,588 KB |
testcase_48 | AC | 164 ms
52,488 KB |
testcase_49 | AC | 453 ms
62,800 KB |
testcase_50 | AC | 467 ms
61,268 KB |
testcase_51 | AC | 447 ms
62,844 KB |
testcase_52 | AC | 308 ms
84,584 KB |
testcase_53 | AC | 299 ms
86,080 KB |
testcase_54 | AC | 304 ms
84,892 KB |
testcase_55 | AC | 295 ms
85,680 KB |
testcase_56 | AC | 297 ms
84,928 KB |
testcase_57 | AC | 346 ms
157,372 KB |
testcase_58 | AC | 344 ms
158,512 KB |
testcase_59 | AC | 350 ms
157,492 KB |
コンパイルメッセージ
main.cpp: In lambda function: main.cpp:1118:3: warning: control reaches end of non-void function [-Wreturn-type] 1118 | }; | ^
ソースコード
//#define _GLIBCXX_DEBUG //#pragma GCC target("avx2") //#pragma GCC optimize("O3") //#pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> using namespace std; #ifdef LOCAL #include <debug_print.hpp> #define OUT(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else #define OUT(...) (static_cast<void>(0)) #endif #define endl '\n' #define lfs cout<<fixed<<setprecision(15) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define UNIQUE(a) (a).erase(unique((a).begin(),(a).end()),(a).end()) #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T> using PQ = priority_queue<T>; template<typename T> using QP = priority_queue<T,vector<T>,greater<T>>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T1,typename T2,typename T3>void anss(T1 x,T2 y,T3 z){ans(x!=y,x,z);}; template<typename T>void debug(const T &v,ll h,ll w,string sv=" "){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout<<sv<<v[i][j];cout<<endl;}}; template<typename T>void debug(const T &v,ll n,string sv=" "){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout<<sv<<v[i];cout<<endl;}; template<typename T>void debug(const vector<T>&v){debug(v,v.size());} template<typename T>void debug(const vector<vector<T>>&v){for(auto &vv:v)debug(vv,vv.size());} template<typename T>void debug(stack<T> st){while(!st.empty()){cout<<st.top()<<" ";st.pop();}cout<<endl;} template<typename T>void debug(queue<T> st){while(!st.empty()){cout<<st.front()<<" ";st.pop();}cout<<endl;} template<typename T>void debug(deque<T> st){while(!st.empty()){cout<<st.front()<<" ";st.pop_front();}cout<<endl;} template<typename T>void debug(PQ<T> st){while(!st.empty()){cout<<st.top()<<" ";st.pop();}cout<<endl;} template<typename T>void debug(QP<T> st){while(!st.empty()){cout<<st.top()<<" ";st.pop();}cout<<endl;} template<typename T>void debug(const set<T>&v){for(auto z:v)cout<<z<<" ";cout<<endl;} template<typename T>void debug(const multiset<T>&v){for(auto z:v)cout<<z<<" ";cout<<endl;} template<typename T,size_t size>void debug(const array<T, size> &a){for(auto z:a)cout<<z<<" ";cout<<endl;} template<typename T,typename V>void debug(const map<T,V>&v){for(auto z:v)cout<<"["<<z.first<<"]="<<z.second<<",";cout<<endl;} template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << "(" << p.first << "," << p.second << ")";} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){os<<"[";for(auto &z:v)os << z << ",";os<<"]"; return os;} template<typename T>void rearrange(vector<int>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<int>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } template<typename T> vector<int> ascend(const vector<T>&v){ vector<int>ord(v.size());iota(ord.begin(),ord.end(),0); sort(ord.begin(),ord.end(),[&](int i,int j){return make_pair(v[i],i)<make_pair(v[j],j);}); return ord; } template<typename T> vector<int> descend(const vector<T>&v){ vector<int>ord(v.size());iota(ord.begin(),ord.end(),0); sort(ord.begin(),ord.end(),[&](int i,int j){return make_pair(v[i],-i)>make_pair(v[j],-j);}); return ord; } template<typename T> vector<T> inv_perm(const vector<T>&ord){ vector<T>inv(ord.size()); for(int i=0;i<ord.size();i++)inv[ord[i]] = i; return inv; } ll FLOOR(ll n,ll div){assert(div>0);return n>=0?n/div:(n-div+1)/div;} ll CEIL(ll n,ll div){assert(div>0);return n>=0?(n+div-1)/div:n/div;} ll digitsum(ll n){ll ret=0;while(n){ret+=n%10;n/=10;}return ret;} ll modulo(ll n,ll d){return (n%d+d)%d;}; template<typename T>T min(const vector<T>&v){return *min_element(v.begin(),v.end());} template<typename T>T max(const vector<T>&v){return *max_element(v.begin(),v.end());} template<typename T>T acc(const vector<T>&v){return accumulate(v.begin(),v.end(),T(0));}; template<typename T>T reverse(const T &v){return T(v.rbegin(),v.rend());}; //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; template<typename T>T poll(queue<T> &q){auto ret=q.front();q.pop();return ret;}; template<typename T>T poll(priority_queue<T> &q){auto ret=q.top();q.pop();return ret;}; template<typename T>T poll(QP<T> &q){auto ret=q.top();q.pop();return ret;}; template<typename T>T poll(stack<T> &s){auto ret=s.top();s.pop();return ret;}; ll MULT(ll x,ll y){if(LLONG_MAX/x<=y)return LLONG_MAX;return x*y;} ll POW2(ll x, ll k){ll ret=1,mul=x;while(k){if(mul==LLONG_MAX)return LLONG_MAX;if(k&1)ret=MULT(ret,mul);mul=MULT(mul,mul);k>>=1;}return ret;} ll POW(ll x, ll k){ll ret=1;for(int i=0;i<k;i++){if(LLONG_MAX/x<=ret)return LLONG_MAX;ret*=x;}return ret;} std::ostream &operator<<(std::ostream &dest, __int128_t value) { std::ostream::sentry s(dest); if (s) { __uint128_t tmp = value < 0 ? -value : value; char buffer[128]; char *d = std::end(buffer); do { --d; *d = "0123456789"[tmp % 10]; tmp /= 10; } while (tmp != 0); if (value < 0) { --d; *d = '-'; } int len = std::end(buffer) - d; if (dest.rdbuf()->sputn(d, len) != len) { dest.setstate(std::ios_base::badbit); } } return dest; } namespace converter{ int dict[500]; const string lower="abcdefghijklmnopqrstuvwxyz"; const string upper="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const string digit="0123456789"; const string digit1="123456789"; void regi_str(const string &t){ for(int i=0;i<t.size();i++){ dict[t[i]]=i; } } void regi_int(const string &t){ for(int i=0;i<t.size();i++){ dict[i]=t[i]; } } vector<int>to_int(const string &s,const string &t){ regi_str(t); vector<int>ret(s.size()); for(int i=0;i<s.size();i++){ ret[i]=dict[s[i]]; } return ret; } vector<int>to_int(const string &s){ auto t=s; sort(t.begin(),t.end()); t.erase(unique(t.begin(),t.end()),t.end()); return to_int(s,t); } vector<vector<int>>to_int(const vector<string>&s,const string &t){ regi_str(t); vector<vector<int>>ret(s.size(),vector<int>(s[0].size())); for(int i=0;i<s.size();i++){ for(int j=0;j<s[0].size();j++){ ret[i][j]=dict[s[i][j]]; } } return ret; } vector<vector<int>>to_int(const vector<string>&s){ string t; for(int i=0;i<s.size();i++){ t+=s[i]; } sort(t.begin(),t.end());t.erase(unique(t.begin(),t.end()),t.end()); return to_int(s,t); } string to_str(const vector<int>&s,const string &t){ regi_int(t); string ret; for(auto z:s)ret+=dict[z]; return ret; } vector<string> to_str(const vector<vector<int>>&s,const string &t){ regi_int(t); vector<string>ret(s.size()); for(int i=0;i<s.size();i++){ for(auto z:s[i])ret[i]+=dict[z]; } return ret; } } template< typename T = int > struct edge { int to; T cost; int id; edge():to(-1),id(-1){}; edge(int to, T cost = 1, int id = -1):to(to), cost(cost), id(id){} operator int() const { return to; } }; template<typename T> using Graph = vector<vector<edge<T>>>; template<typename T> Graph<T>revgraph(const Graph<T> &g){ Graph<T>ret(g.size()); for(int i=0;i<g.size();i++){ for(auto e:g[i]){ int to = e.to; e.to = i; ret[to].push_back(e); } } return ret; } template<typename T> Graph<T> readGraph(int n,int m,int indexed=1,bool directed=false,bool weighted=false){ Graph<T> ret(n); for(int es = 0; es < m; es++){ int u,v; T w=1; cin>>u>>v;u-=indexed,v-=indexed; if(weighted)cin>>w; ret[u].emplace_back(v,w,es); if(!directed)ret[v].emplace_back(u,w,es); } return ret; } template<typename T> Graph<T> readParent(int n,int indexed=1,bool directed=true){ Graph<T>ret(n); for(int i=1;i<n;i++){ int p;cin>>p; p-=indexed; ret[p].emplace_back(i); if(!directed)ret[i].emplace_back(p); } return ret; } template<typename T> struct HLD{ using D=long long; int n; vector<int>sz;//部分木サイズ vector<D>dep; vector<int>par; vector<int>head; Graph<T> &g;//隣接リスト vector<edge<T>>edges;//データ構造に乗せるedge列 vector<int>in,out;//[in,out)で部分木、[ina,inb]でa~bのパス(aが上) vector<int>comp;//連結成分の根 //inは頂点のindexを表す。また、edge列の下側の頂点である HLD(Graph<T> &g,int r=-1):g(g),n(g.size()){ hld_build(r); } void hld_build(int root = -1){ in.assign(n,-1);out.assign(n,-1);dep.assign(n,0); par.assign(n,-1);head.assign(n,-1);sz.assign(n,-1);comp.assign(n,-1); edges.assign(n,edge<T>()); if(root == -1){//根がどこでも良い場合(森でも可) for(int i=0;i<n;i++){ if(sz[i] == -1){ head[i] = i; dfs_sz(i, 0, i); dfs_hld(i); } } } else{ head[root] = root; dfs_sz(root, 0, root); dfs_hld(root); } } void dfs_sz(int k, D d,int r){ sz[k] = 1; comp[k] = r; dep[k] = d; for(auto &e: g[k]){ if(e.to == par[k])continue; par[e.to] = k; dfs_sz(e.to, d+e.cost, r); sz[k] += sz[e.to]; if(g[k][0].to==par[k]||sz[e.to] > sz[g[k][0].to])swap(e, g[k][0]); } } int time = 0; void dfs_hld(int k){ in[k] = time++; for(auto e:g[k]){ if(e.to == par[k])continue; head[e.to] = (e.to == g[k][0].to ? head[k]: e.to); edges[time] = e; dfs_hld(e.to); } out[k] = time; } int lca(int p,int q){ while(1){ if(in[p] < in[q])swap(p,q); if(head[p] == head[q])return q; p = par[head[p]]; } } vector<pair<int,int>>query_path(int p,int q,bool isEdge){ int r=lca(p,q); vector<pair<int,int>>ret; for(int i=0;i<2;i++){ if(i == 1)swap(p,q); while(1){ if(isEdge&&p==r)break; if(head[p]==head[r]){ ret.emplace_back(in[r]+(isEdge?1:i),in[p]+1); break; } ret.emplace_back(in[head[p]],in[p]+1); p = par[head[p]]; } } return ret; } vector<vector<pair<int,int>>>query_order_path(int p,int q,bool isEdge){ //非可換クエリ用、配列0を順番を反転したデータ構造に、配列1を通常のデータ構造に vector<vector<pair<int,int>>>ret(2); int r=lca(p,q); for(int i=0;i<2;i++){ if(i == 1)swap(p,q); while(1){ if(isEdge&&p==r)break; if(head[p]==head[r]){ if(i==0) ret[i].emplace_back(n-(in[p]+1),n-(in[r]+(isEdge?1:i))); else ret[i].emplace_back(in[r]+(isEdge?1:i),in[p]+1); break; } if(i==0) ret[i].emplace_back(n-(in[p]+1),n-(in[head[p]])); else ret[i].emplace_back(in[head[p]],in[p]+1); p = par[head[p]]; } } reverse(ret[1].begin(), ret[1].end()); return ret; } pair<int,int>query_subtree(int p,bool isEdge){ return make_pair(in[p]+isEdge,out[p]); } //uのv方向の子 子孫関係は前もって確認すること(in,outを見る) int child(int u,int v)const{ while(1){ if(head[u]==head[v]){ v=g[u][0].to; break; } v=head[v]; if(par[v]==u)break; v=par[v]; } return v; } //uをv方向に一つ進めた頂点 int move(int u,int v)const{ assert(u!=v); if(in[u]<in[v]&&in[v]<out[u])return child(u,v); else return par[u]; } D dist(int u,int v){ return dep[u]+dep[v]-2*dep[lca(u,v)]; } vector<int>rev_in; int climb(int u,int k){ if(rev_in.empty()){ rev_in.resize(n); for(int i=0;i<n;i++)rev_in[in[i]]=i; } int nd=max<int>(dep[u]-k, 0); while(dep[u]>nd){ if(dep[head[u]]>nd){ u=par[head[u]]; } else{ u=rev_in[in[head[u]]+nd-dep[head[u]]]; } } return u; } int jump(int from,int to, int k){ int r = lca(from, to); int d1 = dep[from] - dep[r]; int d2 = dep[to] - dep[r]; if(d1 + d2 < k)return -1; else if(k <= d1)return climb(from, k); else return climb(to, d1 + d2 - k); } template<typename I> Graph<T>lca_tree(vector<I>&v){ auto compare=[&](int x,int y){return in[x]<in[y];}; sort(v.begin(),v.end(),compare); int sz1=v.size(); for(int i=0;i<sz1-1;i++)v.push_back(lca(v[i],v[i+1])); sort(v.begin(),v.end(),compare); v.erase(unique(v.begin(),v.end()),v.end()); int sz2=v.size(); Graph<T>ret(sz2); stack<int>st; for(int i=0;i<sz2;i++){ while(!st.empty()&&out[v[st.top()]]<=in[v[i]])st.pop(); if(!st.empty()){ ret[st.top()].emplace_back(i,dep[v[i]]-dep[v[st.top()]]); ret[i].emplace_back(st.top(),dep[v[i]]-dep[v[st.top()]]); } st.push(i); } return ret; } }; const int VERTEX = 0; const int HEAVY_LIGHT = -1; const int LIGHT = -2; const int HEAVY = -3; template<typename T> struct StaticToptree{ const HLD<T> &hld; int count; int root; vector<int>l,r,p; vector<int>aff; T edge_identity; StaticToptree(const HLD<T> &hld):hld(hld),edge_identity(edge_identity),count(hld.n),l(hld.n*2,-1),r(hld.n*2,-1),p(hld.n*2,-1),aff(hld.n*2,VERTEX){ int hld_root=min_element(hld.in.begin(),hld.in.end())-hld.in.begin(); OUT(hld_root); root = dfs(hld_root,-1).second; } //sz,vid pair<int,int>dfs(int v,int par){ int sub=0; vector<int>vs; vector<int>sz; int now=v,pre=par; while(1){ int sum_sz=1; //vid,eid priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>>pq; for(int i=1;i<hld.g[now].size();i++){ if(hld.g[now][i].to==pre)continue; auto [sz, vid] = dfs(hld.g[now][i].to, now); pq.emplace(sz,vid); sum_sz+=sz; } sub+=sum_sz; while(pq.size()>=2){ auto [sx,x]=pq.top();pq.pop(); auto [sy,y]=pq.top();pq.pop(); int nv=count++; aff[nv]=LIGHT; l[nv]=x; p[x]=nv; r[nv]=y; p[y]=nv; pq.emplace(sx+sy,nv); } int last=now; if(!pq.empty()){ auto [sx,x]=pq.top();pq.pop(); int nv=count++; aff[nv]=HEAVY_LIGHT; l[nv]=now; p[x]=nv; r[nv]=x; p[now]=nv; last=nv; } vs.push_back(last); sz.push_back(sum_sz); if(hld.g[now].empty()||hld.g[now][0]==pre)break; pre=now; now=hld.g[now][0]; } vector<int>csz(sz.size()+1); for(int i=0;i<sz.size();i++){ csz[i+1]=csz[i]+sz[i]; } auto rec=[&](auto &&rec,int ls,int rs)->int{ {} if(ls+1==rs){ return vs[ls]; } int sum=csz[rs]-csz[ls]; int lv=-1,rv=-1; if(sz[ls]*2>=sum){ lv=rec(rec,ls,ls+1); rv=rec(rec,ls+1,rs); } else if(sz[rs-1]*2>=sum){ lv=rec(rec,ls,rs-1); rv=rec(rec,rs-1,rs); } else{ int ri=min<int>(rs-1,lower_bound(csz.begin(),csz.end(),csz[ls]+(sum+1)/2)-csz.begin()); int li=max(ls+1,ri-1); if(abs((csz[li]-csz[ls])*2-sum)<abs((csz[ri]-csz[ls])*2-sum)){ ri=li; } lv=rec(rec,ls,ri); rv=rec(rec,ri,rs); } int nv=count++; aff[nv]=HEAVY; l[nv]=lv,p[lv]=nv; r[nv]=rv,p[rv]=nv; return nv; }; int last=rec(rec,0,sz.size()); return make_pair(sub,last); } }; using cpx = complex<double>; const double PI = acos(-1); vector<cpx> roots = {{0, 0}, {1, 0}}; void ensure_capacity(int min_capacity) { for (int len = roots.size(); len < min_capacity; len *= 2) { for (int i = len >> 1; i < len; i++) { roots.emplace_back(roots[i]); double angle = 2 * PI * (2 * i + 1 - len) / (len * 2); roots.emplace_back(cos(angle), sin(angle)); } } } void fft(vector<cpx> &z, bool inverse) { int n = z.size(); assert((n & (n - 1)) == 0); ensure_capacity(n); for (unsigned i = 1, j = 0; i < n; i++) { int bit = n >> 1; for (; j >= bit; bit >>= 1) j -= bit; j += bit; if (i < j) swap(z[i], z[j]); } for (int len = 1; len < n; len <<= 1) { for (int i = 0; i < n; i += len * 2) { for (int j = 0; j < len; j++) { cpx root = inverse ? conj(roots[j + len]) : roots[j + len]; cpx u = z[i + j]; cpx v = z[i + j + len] * root; z[i + j] = u + v; z[i + j + len] = u - v; } } } if (inverse) for (int i = 0; i < n; i++) z[i] /= n; } vector<int> multiply_bigint(const vector<int> &a, const vector<int> &b, int base) { int need = a.size() + b.size(); int n = 1; while (n < need) n <<= 1; vector<cpx> p(n); for (size_t i = 0; i < n; i++) { p[i] = cpx(i < a.size() ? a[i] : 0, i < b.size() ? b[i] : 0); } fft(p, false); // a[w[k]] = (p[w[k]] + conj(p[w[n-k]])) / 2 // b[w[k]] = (p[w[k]] - conj(p[w[n-k]])) / (2*i) vector<cpx> ab(n); cpx r(0, -0.25); for (int i = 0; i < n; i++) { int j = (n - i) & (n - 1); ab[i] = (p[i] * p[i] - conj(p[j] * p[j])) * r; } fft(ab, true); vector<int> result(need); long long carry = 0; for (int i = 0; i < need; i++) { long long d = (long long) (ab[i].real() + 0.5) + carry; carry = d / base; result[i] = d % base; } return result; } vector<int> multiply_mod(const vector<int> &a, const vector<int> &b, int m) { int need = a.size() + b.size() - 1; int n = 1; while (n < need) n <<= 1; vector<cpx> A(n); for (size_t i = 0; i < a.size(); i++) { int x = (a[i] % m + m) % m; A[i] = cpx(x & ((1 << 15) - 1), x >> 15); } fft(A, false); vector<cpx> B(n); for (size_t i = 0; i < b.size(); i++) { int x = (b[i] % m + m) % m; B[i] = cpx(x & ((1 << 15) - 1), x >> 15); } fft(B, false); vector<cpx> fa(n); vector<cpx> fb(n); for (int i = 0, j = 0; i < n; i++, j = n - i) { cpx a1 = (A[i] + conj(A[j])) * cpx(0.5, 0); cpx a2 = (A[i] - conj(A[j])) * cpx(0, -0.5); cpx b1 = (B[i] + conj(B[j])) * cpx(0.5, 0); cpx b2 = (B[i] - conj(B[j])) * cpx(0, -0.5); fa[i] = a1 * b1 + a2 * b2 * cpx(0, 1); fb[i] = a1 * b2 + a2 * b1; } fft(fa, true); fft(fb, true); vector<int> res(need); for (int i = 0; i < need; i++) { long long aa = (long long) (fa[i].real() + 0.5); long long bb = (long long) (fb[i].real() + 0.5); long long cc = (long long) (fa[i].imag() + 0.5); res[i] = (aa % m + (bb % m << 15) + (cc % m << 30)) % m; } return res; } constexpr int digits(int base) noexcept { return base <= 1 ? 0 : 1 + digits(base / 10); } constexpr int base = 1000'000'000; constexpr int base_digits = digits(base); constexpr int fft_base = 10'000; // fft_base^2 * n / fft_base_digits <= 10^15 for double constexpr int fft_base_digits = digits(fft_base); struct bigint { // value == 0 is represented by empty z vector<int> z; // digits // sign == 1 <==> value >= 0 // sign == -1 <==> value < 0 int sign; bigint(long long v = 0) { *this = v; } bigint &operator=(long long v) { sign = v < 0 ? -1 : 1; v *= sign; z.clear(); for (; v > 0; v = v / base) z.push_back((int) (v % base)); return *this; } bigint(const string &s) { read(s); } bigint &operator+=(const bigint &other) { if (sign == other.sign) { for (int i = 0, carry = 0; i < other.z.size() || carry; ++i) { if (i == z.size()) z.push_back(0); z[i] += carry + (i < other.z.size() ? other.z[i] : 0); carry = z[i] >= base; if (carry) z[i] -= base; } } else if (other != 0 /* prevent infinite loop */) { *this -= -other; } return *this; } friend bigint operator+(bigint a, const bigint &b) { a += b; return a; } bigint &operator-=(const bigint &other) { if (sign == other.sign) { if ((sign == 1 && *this >= other) || (sign == -1 && *this <= other)) { for (int i = 0, carry = 0; i < other.z.size() || carry; ++i) { z[i] -= carry + (i < other.z.size() ? other.z[i] : 0); carry = z[i] < 0; if (carry) z[i] += base; } trim(); } else { *this = other - *this; this->sign = -this->sign; } } else { *this += -other; } return *this; } friend bigint operator-(bigint a, const bigint &b) { a -= b; return a; } bigint &operator*=(int v) { if (v < 0) sign = -sign, v = -v; for (int i = 0, carry = 0; i < z.size() || carry; ++i) { if (i == z.size()) z.push_back(0); long long cur = (long long) z[i] * v + carry; carry = (int) (cur / base); z[i] = (int) (cur % base); } trim(); return *this; } bigint operator*(int v) const { return bigint(*this) *= v; } friend pair<bigint, bigint> divmod(const bigint &a1, const bigint &b1) { int norm = base / (b1.z.back() + 1); bigint a = a1.abs() * norm; bigint b = b1.abs() * norm; bigint q, r; q.z.resize(a.z.size()); for (int i = (int) a.z.size() - 1; i >= 0; i--) { r *= base; r += a.z[i]; int s1 = b.z.size() < r.z.size() ? r.z[b.z.size()] : 0; int s2 = b.z.size() - 1 < r.z.size() ? r.z[b.z.size() - 1] : 0; int d = (int) (((long long) s1 * base + s2) / b.z.back()); r -= b * d; while (r < 0) r += b, --d; q.z[i] = d; } q.sign = a1.sign * b1.sign; r.sign = a1.sign; q.trim(); r.trim(); return {q, r / norm}; } friend bigint sqrt(const bigint &a1) { bigint a = a1; while (a.z.empty() || a.z.size() % 2 == 1) a.z.push_back(0); int n = a.z.size(); int firstDigit = (int) ::sqrt((double) a.z[n - 1] * base + a.z[n - 2]); int norm = base / (firstDigit + 1); a *= norm; a *= norm; while (a.z.empty() || a.z.size() % 2 == 1) a.z.push_back(0); bigint r = (long long) a.z[n - 1] * base + a.z[n - 2]; firstDigit = (int) ::sqrt((double) a.z[n - 1] * base + a.z[n - 2]); int q = firstDigit; bigint res; for (int j = n / 2 - 1; j >= 0; j--) { for (;; --q) { bigint r1 = (r - (res * 2 * base + q) * q) * base * base + (j > 0 ? (long long) a.z[2 * j - 1] * base + a.z[2 * j - 2] : 0); if (r1 >= 0) { r = r1; break; } } res *= base; res += q; if (j > 0) { int d1 = res.z.size() + 2 < r.z.size() ? r.z[res.z.size() + 2] : 0; int d2 = res.z.size() + 1 < r.z.size() ? r.z[res.z.size() + 1] : 0; int d3 = res.z.size() < r.z.size() ? r.z[res.z.size()] : 0; q = (int) (((long long) d1 * base * base + (long long) d2 * base + d3) / (firstDigit * 2)); } } res.trim(); return res / norm; } bigint operator/(const bigint &v) const { return divmod(*this, v).first; } bigint operator%(const bigint &v) const { return divmod(*this, v).second; } bigint &operator/=(int v) { if (v < 0) sign = -sign, v = -v; for (int i = (int) z.size() - 1, rem = 0; i >= 0; --i) { long long cur = z[i] + rem * (long long) base; z[i] = (int) (cur / v); rem = (int) (cur % v); } trim(); return *this; } bigint operator/(int v) const { return bigint(*this) /= v; } int operator%(int v) const { if (v < 0) v = -v; int m = 0; for (int i = (int) z.size() - 1; i >= 0; --i) m = (int) ((z[i] + m * (long long) base) % v); return m * sign; } bigint &operator*=(const bigint &v) { *this = *this * v; return *this; } bigint &operator/=(const bigint &v) { *this = *this / v; return *this; } bigint &operator%=(const bigint &v) { *this = *this % v; return *this; } bool operator<(const bigint &v) const { if (sign != v.sign) return sign < v.sign; if (z.size() != v.z.size()) return z.size() * sign < v.z.size() * v.sign; for (int i = (int) z.size() - 1; i >= 0; i--) if (z[i] != v.z[i]) return z[i] * sign < v.z[i] * sign; return false; } bool operator>(const bigint &v) const { return v < *this; } bool operator<=(const bigint &v) const { return !(v < *this); } bool operator>=(const bigint &v) const { return !(*this < v); } bool operator==(const bigint &v) const { return !(*this < v) && !(v < *this); } bool operator!=(const bigint &v) const { return *this < v || v < *this; } void trim() { while (!z.empty() && z.back() == 0) z.pop_back(); if (z.empty()) sign = 1; } bool isZero() const { return z.empty(); } friend bigint operator-(bigint v) { if (!v.z.empty()) v.sign = -v.sign; return v; } bigint abs() const { return sign == 1 ? *this : -*this; } long long longValue() const { long long res = 0; for (int i = (int) z.size() - 1; i >= 0; i--) res = res * base + z[i]; return res * sign; } friend bigint gcd(const bigint &a, const bigint &b) { return b.isZero() ? a : gcd(b, a % b); } friend bigint lcm(const bigint &a, const bigint &b) { return a / gcd(a, b) * b; } void read(const string &s) { sign = 1; z.clear(); int pos = 0; while (pos < s.size() && (s[pos] == '-' || s[pos] == '+')) { if (s[pos] == '-') sign = -sign; ++pos; } for (int i = (int) s.size() - 1; i >= pos; i -= base_digits) { int x = 0; for (int j = max(pos, i - base_digits + 1); j <= i; j++) x = x * 10 + s[j] - '0'; z.push_back(x); } trim(); } friend istream &operator>>(istream &stream, bigint &v) { string s; stream >> s; v.read(s); return stream; } friend ostream &operator<<(ostream &stream, const bigint &v) { if (v.sign == -1) stream << '-'; stream << (v.z.empty() ? 0 : v.z.back()); for (int i = (int) v.z.size() - 2; i >= 0; --i) stream << setw(base_digits) << setfill('0') << v.z[i]; return stream; } static vector<int> convert_base(const vector<int> &a, int old_digits, int new_digits) { vector<long long> p(max(old_digits, new_digits) + 1); p[0] = 1; for (int i = 1; i < p.size(); i++) p[i] = p[i - 1] * 10; vector<int> res; long long cur = 0; int cur_digits = 0; for (int v : a) { cur += v * p[cur_digits]; cur_digits += old_digits; while (cur_digits >= new_digits) { res.push_back(int(cur % p[new_digits])); cur /= p[new_digits]; cur_digits -= new_digits; } } res.push_back((int) cur); while (!res.empty() && res.back() == 0) res.pop_back(); return res; } bigint operator*(const bigint &v) const { if (min(z.size(), v.z.size()) < 150) return mul_simple(v); bigint res; res.sign = sign * v.sign; res.z = multiply_bigint(convert_base(z, base_digits, fft_base_digits), convert_base(v.z, base_digits, fft_base_digits), fft_base); res.z = convert_base(res.z, fft_base_digits, base_digits); res.trim(); return res; } bigint mul_simple(const bigint &v) const { bigint res; res.sign = sign * v.sign; res.z.resize(z.size() + v.z.size()); for (int i = 0; i < z.size(); ++i) if (z[i]) for (int j = 0, carry = 0; j < v.z.size() || carry; ++j) { long long cur = res.z[i + j] + (long long) z[i] * (j < v.z.size() ? v.z[j] : 0) + carry; carry = (int) (cur / base); res.z[i + j] = (int) (cur % base); } res.trim(); return res; } }; mt19937 rng(1); bigint random_bigint(int n) { string s; for (int i = 0; i < n; i++) { s += uniform_int_distribution<int>('0', '9')(rng); } return bigint(s); } vector<string>val; Graph<int>tree; using State = string::iterator; template<typename T> struct Parsing{ Parsing(){}; T solve(string &s){ State itr = s.begin(); return expr(itr); } T expr(State &itr){ T now = term(itr); while(1){ if(*itr == '+' || *itr == '-'){ char sig=*itr; T nxt = term(++itr); int idx=tree.size(); tree.EB(); tree[idx].EB(now); tree[idx].EB(nxt); val.PB(string(1,sig)); now=idx; } else break; } return now; } T term(State &itr){ T now = fact(itr); while(1){ if(*itr == '*'){ T nxt = fact(++itr); int idx = tree.size(); tree.emplace_back(); tree[idx].emplace_back(now); tree[idx].emplace_back(nxt); val.PB("*"); now=idx; } else break; } return now; } T fact(State &itr){ if(*itr=='-'||isdigit(*itr))return number(itr); assert(*itr == '('); itr++; T val = expr(itr); assert(*itr == ')'); itr++; return val; } T number(State &itr){ string num; while(*itr=='-'){ num += *itr; itr++; } while(isdigit(*itr)){ num += *itr; itr++; } int idx=tree.size(); tree.emplace_back(); val.push_back(num); return idx; } }; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n;cin>>n; string s;cin>>s; Parsing<int>parse; int root=parse.solve(s); auto pre_tree=tree; HLD hld(tree,root); StaticToptree st(hld); OUT(tree,val); OUT(root); auto dfs=[&](auto &&f,int k)->pair<bigint,bigint>{ {} auto af=st.aff[k]; if(af==VERTEX){ if(val[k]=="+"||val[k]=="-"||val[k]=="*")return MP(-1,-1); else return MP(1,val[k]); } auto lf=f(f,st.l[k]); auto rf=f(f,st.r[k]); OUT(k,lf,rf,st.l[k],st.r[k]); if(af==LIGHT){ assert(false); } if(af==HEAVY_LIGHT){ if(val[st.l[k]]=="+"){ return MP(1,rf.se); } else if(val[st.l[k]]=="-"){ int rr=st.l[k]; if(pre_tree[rr][0]==tree[rr][0])return MP(1,-rf.se); else return MP(-1,rf.se); } else{ assert(val[st.l[k]]=="*"); return MP(rf.se,0); } } if(af==HEAVY){ return MP(lf.fi*rf.fi,lf.fi*rf.se+lf.se); } }; auto ret=dfs(dfs,st.root); cout<<ret.se<<endl; return 0; }