結果

問題 No.2020 Sum of Common Prefix Length
ユーザー 👑 tute7627tute7627
提出日時 2022-07-22 22:25:54
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 15,936 bytes
コンパイル時間 2,896 ms
コンパイル使用メモリ 230,920 KB
実行使用メモリ 44,556 KB
最終ジャッジ日時 2023-09-17 10:51:37
合計ジャッジ時間 9,944 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge11
このコードへのチャレンジ
（要ログイン）

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
4,376 KB
testcase_01 AC 2 ms
4,384 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 AC 108 ms
25,116 KB
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 AC 66 ms
15,172 KB
testcase_27 AC 1 ms
4,376 KB
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 AC 105 ms
25,032 KB
testcase_32 AC 102 ms
25,156 KB
testcase_33 AC 101 ms
23,964 KB
testcase_34 WA -
testcase_35 WA -
testcase_36 AC 134 ms
33,276 KB
testcase_37 WA -
権限があれば一括ダウンロードができます

ソースコード

diff # 

//#define _GLIBCXX_DEBUG

#include<bits/stdc++.h>
using namespace std;

#define endl '\n'
#define lfs cout<<fixed<<setprecision(10)
#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;}
ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}
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){for(auto &z:v)os << z << " ";cout<<"|"; 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;}
template< typename T = int >
struct edge {
  int to;
  T cost;
  int id;
  edge():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 Monoid ,typename F>
struct SegmentTree {
  int sz, n;
  vector< Monoid > seg;
  const F f;
  const Monoid M1;

  SegmentTree(int n, const F f, const Monoid &M1) : f(f), M1(M1), n(n){
    sz = 1;
    while(sz < n) sz <<= 1;
    seg.assign(2 * sz, M1);
  }

  void set(int k, const Monoid &x) {
    seg[k + sz] = x;
  }

  void build() {
    for(int k = sz - 1; k > 0; k--) {
      seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
    }
  }

  void update(int k, const Monoid &x) {
    k += sz;
    seg[k] = x;
    while(k >>= 1) {
      seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
    }
  }

  Monoid query(int a, int b) {
	  if(a>=b)return M1;
    Monoid L = M1, R = M1;
    for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
      if(a & 1) L = f(L, seg[a++]);
      if(b & 1) R = f(seg[--b], R);
    }
    return f(L, R);
  }

  Monoid operator[](const int &k) const {
    return seg[k + sz];
  }

  template< typename C >
  int find_subtree(int a, const C &check, Monoid &M, bool type) {
    while(a < sz) {
      Monoid nxt = type ? f(seg[2 * a + type], M) : f(M, seg[2 * a + type]);
      if(check(nxt)) a = 2 * a + type;
      else M = nxt, a = 2 * a + 1 - type;
    }
    return a - sz;
  }
  //[a,x]が条件を満たす最初のx,満たさなければ-1
  template< typename C >
  int find_first(int a, const C &check) {
    Monoid L = M1;
    if(a <= 0) {
      if(check(f(L, seg[1]))) return find_subtree(1, check, L, false);
      return -1;
    }
    int b = sz;
    for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
      if(a & 1) {
        Monoid nxt = f(L, seg[a]);
        if(check(nxt)) return find_subtree(a, check, L, false);
        L = nxt;
        ++a;
      }
    }
    return -1;
  }
  //[x,b)が条件を満たす最後のx,満たさなければ-1
  template< typename C >
  int find_last(int b, const C &check) {
    Monoid R = M1;
    if(b >= sz) {
      if(check(f(seg[1], R))) return find_subtree(1, check, R, true);
      return -1;
    }
    int a = sz;
    for(b += sz; a < b; a >>= 1, b >>= 1) {
      if(b & 1) {
        Monoid nxt = f(seg[--b], R);
        if(check(nxt)) return find_subtree(b, check, R, true);
        R = nxt;
      }
    }
    return -1;
  }
  void print(){
    for(ll i=0;i<n;i++)if((*this)[i]==M1)cout<<"x ";else cout<<(*this)[i]<<" ";
    cout<<endl;
  }
};
namespace range_min{
  using M=ll;
  auto f=[](M x,M y){
    return min(x,y);
  };
  SegmentTree<M,decltype(f)>make(int n){
    return {n,f,INF};
  }
}
template<typename T>
struct BIT{
  ll n;
  ll k=1;
  vector<T>data;
  BIT() = default;
  BIT(ll size):n(size){
    n++;
    data.assign(n,0);
    while(k*2<=n)k*=2;
  }
  void add(ll a,T w){
    for(ll i=a+1;i<=n;i+=i&-i)data[i-1]+=w;
  }
  //[l,r)
  void add(ll l,ll r,T w){
	if(l>=r)return;
    add(l,w);add(r,-w);
  }
  T sum(ll a){//[0,a)
	  if(a<=0)return 0;
    T ret = 0;
    for(ll i=a;i>0;i-=i&-i)ret+=data[i-1];
    return ret;
  }
  //[a,b)
  T sum(ll a,ll b){return a>=b?0:sum(b)-sum(a);}
  T operator[](ll pos){
    return sum(0,pos+1);
  }
  ll lower_bound(ll x){
    ll ret=0;    
    for(ll i=k;i>0;i/=2){
      if(ret+i<=n&&data[ret+i-1]<x){
        x-=data[ret+i-1];
        ret+=i;
      }
    }
    return ret;
  }
  void print(){
    for(ll i=0;i<n-1;i++){
      if(i!=0)cout<<" ";
      cout<<(*this)[i];
    }
    cout<<endl;
  }
};
struct SuffixArray{
  ll size;
  string str;
  vector<ll>data, rank;
  SuffixArray(string S):size(S.size()),str(S){
    str += '!';//数列の場合は最小値-1,str[i]を+最小値してからinputに代入,必要なら座圧,kindも調整
    vector<ll>input(str.size());
    for(ll i=0;i<str.size();i++)input[i] = str[i];
    data = induced_sort(input, 200);
    data.erase(data.begin()); data.push_back(size);
    str.pop_back();
    rank.assign(size,0);
    for(ll i=0;i<size;i++){
      rank[data[i]] = i;
    }
  }
  vector<ll> induced_sort(vector<ll>t, ll kind){
    ll sz = t.size();
    vector<bool>ls(sz);//trueはL型,falseはS型
    for(ll i = sz-1;i>=0;i--){
      if(i==sz-1)ls[i] = false;
      else{
        if(t[i]!=t[i+1])ls[i] = (t[i] > t[i+1]);
        else ls[i] = ls[i+1];
      }
    }
    vector<ll>cnt(kind);
    for(ll i=0;i<sz;i++)cnt[t[i]]++;
    vector<P>lr(kind,MP(-1,-1));
    for(ll i=1;i<kind;i++){
      if(cnt[i]==0)lr[i] = lr[i-1];
      else lr[i] = make_pair(lr[i-1].se + 1, lr[i-1].se + cnt[i]);
    }
    vector<ll>lmsidx,ret(sz,-1);
    for(ll i=0;i<sz-1;i++){
      if(ls[i]&&!ls[i+1]){
        ret[lr[t[i+1]].fi+cnt[t[i+1]]-1]=i+1;
        cnt[t[i+1]]--;
        lmsidx.push_back(i+1);
      }
    }
    fill(ALL(cnt),0);
    for(ll i=0;i<sz;i++){
      if(ret[i]>=1&&ls[ret[i]-1]){
        ret[lr[t[ret[i]-1]].fi+cnt[t[ret[i]-1]]]=ret[i]-1;
        cnt[t[ret[i]-1]]++;
        if(i!=0&&!ls[ret[i]])ret[i]=-1;
      }
    }
    fill(ALL(cnt),0);
    for(ll i=sz-1;i>=1;i--){
      if(ret[i]>=1&&!ls[ret[i]-1]){
        ret[lr[t[ret[i]-1]].se-cnt[t[ret[i]-1]]]=ret[i]-1;
        cnt[t[ret[i]-1]]++;
      }
    }
    vector<ll>rev_lmsidx(sz,-1),lmsinput(lmsidx.size(),-1);
    for(ll i=0;i<lmsidx.size();i++)rev_lmsidx[lmsidx[i]] = i;
    ll kindnum=1; 
    lmsinput[rev_lmsidx[ret[0]]] = 1;
    vector<ll>comp(t.begin()+ret[0],t.end());
    for(ll i=1;i<sz;i++){
      if(ret[i]>=1&&ls[ret[i]-1]&&!ls[ret[i]]){
        vector<ll>tmp(t.begin()+ret[i],t.begin()+lmsidx[rev_lmsidx[ret[i]]+1]+1); 
        if(comp != tmp){
          kindnum++;
          comp = tmp;
        }
        lmsinput[rev_lmsidx[ret[i]]] = kindnum;
      }
    }
    vector<ll>output;
    if(kindnum==lmsidx.size()){
      output.assign(kindnum,-1);
      for(ll i=0;i<lmsinput.size();i++)output[lmsinput[i]-1]=i;
    }
    else output = induced_sort(lmsinput,kindnum+1);
    
    fill(ALL(cnt),0), fill(ALL(ret),-1);
    for(ll i=output.size()-1;i>=0;i--){
      ll tmp=lmsidx[output[i]];
      ret[lr[t[tmp]].se - cnt[t[tmp]]]=tmp;
      cnt[t[tmp]]++;
    }
    fill(ALL(cnt),0);
    for(ll i=0;i<sz;i++){
      if(ret[i]>=1&&ls[ret[i]-1]){
        ret[lr[t[ret[i]-1]].fi+cnt[t[ret[i]-1]]]=ret[i]-1;
        cnt[t[ret[i]-1]]++;
        if(i!=0&&!ls[ret[i]])ret[i]=-1;
      }
    }
    fill(ALL(cnt),0);
    for(ll i=sz-1;i>=1;i--){
      if(ret[i]>=1&&!ls[ret[i]-1]){
        ret[lr[t[ret[i]-1]].se-cnt[t[ret[i]-1]]]=ret[i]-1;
        cnt[t[ret[i]-1]]++;
      }
    }
    return ret;
  }
  ll operator[](ll x) const {
    return data[x];
  }
  ll lower_bound(string x){
    ll le=-1,ri=str.size();
    while(ri-le>=2){
      ll mid=(le+ri)/2;
      ll cnt=0;
      while(cnt<x.size()&&data[mid]+cnt<str.size()
        &&x[cnt]==str[data[mid]+cnt])cnt++;
      if(cnt==x.size())ri=mid;
      else if(data[mid]+cnt==str.size())le=mid;
      else if(x[cnt]<=str[data[mid]+cnt])ri=mid;
      else le=mid;
    }
    return ri;
  }
  ll upper_bound(string x){
    x.back()++;
    return lower_bound(x);
  }
  vector<ll> lcp(){
    vector<ll>ret(size);
    for(ll i=0,h=0;i<size;i++){
      if(rank[i]==0)continue;
      for(ll j=data[rank[i]-1];max(i,j)+h<size&&str[i+h]==str[j+h];h++);
      ret[rank[i]-1] = h;
      if(h>0) h--;
    }
    return ret;
  }
};
int main(){
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  ll res=0,buf=0;
  bool judge = true;
  ll n;cin>>n;
  vector<string>s(n);
  vector<ll>init(n);
  rep(i,0,n){
    cin>>s[i];
    init[i]=s[i].size();
  }
  vector<ll>idx(n);
  string all;
  ll q;cin>>q;
  vector<ll>type(q),tag(q);
  rep(i,0,q){
    cin>>type[i]>>tag[i];tag[i]--;
    if(type[i]==1){
      char c;cin>>c;
      s[tag[i]]+=c;
    }
  }
  rep(i,0,n){
    idx[i]=all.size();
    all+=s[i];
    all+='.';
  }
  SuffixArray sa(all);
  auto lcp=sa.lcp();
  vector<int>ord(n);
  iota(ALL(ord),0);
  sort(ALL(ord),[&](int i,int j){
    return sa.rank[idx[i]]<sa.rank[idx[j]];
  });
  //cout<<all<<endl;
  auto inv=inv_perm(ord);
  vector<int>mi(n-1,1e9);
  rep(i,0,n-1){
    rep(j,sa.rank[idx[ord[i]]],sa.rank[idx[ord[i+1]]]){
      chmin(mi[i],lcp[j]);
    }
  }
  BIT<ll>bit(n);
  auto seg=range_min::make(n-1);
  rep(i,0,n-1)seg.set(i,0);
  seg.build();
  
  auto add_bet=[&](ll pos){
    seg.update(pos,seg[pos]+1);
    //cout<<pos<<endl;
    ll now=seg[pos];
    auto ch=[&](ll k){
      return k<now;
    };
    ll lidx=seg.find_last(pos+1,ch);
    ll ridx=seg.find_first(pos+1,ch);
    if(ridx==-1)ridx=n-1;
    bit.add(lidx+1,pos+1,ridx-pos);
    bit.add(pos+1,ridx+1,pos-lidx);
  };
  vector<ll>now(n);
  auto add_pos=[&](ll pos){
    now[pos]++;
    bit.add(pos,pos+1,1);
    //cout<<pos<<endl;
    if(pos>0&&now[pos]<=now[pos-1]&&seg[pos-1]<mi[pos-1]){
      add_bet(pos-1);
    }
    if(pos<n-1&&now[pos]<=now[pos+1]&&seg[pos]<mi[pos]){
      add_bet(pos);
    }
    //bit.print();
  };
  rep(i,0,n)rep(j,0,init[i])add_pos(inv[i]);
  //cout<<all<<endl;
  //debug(inv);
  //debug(init);
  //debug(mi);
  //bit.print();
  rep(i,0,q){
    if(type[i]==1){
      add_pos(inv[tag[i]]);
    }
    else{
      cout<<bit[inv[tag[i]]]<<endl;
    }
  }
  return 0;
}
0