結果

問題 No.2172 SEARCH in the Text Editor
ユーザー tko919tko919
提出日時 2022-12-24 00:29:57
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 197 ms / 2,000 ms
コード長 8,155 bytes
コンパイル時間 2,583 ms
コンパイル使用メモリ 213,408 KB
実行使用メモリ 22,868 KB
最終ジャッジ日時 2024-04-29 06:05:00
合計ジャッジ時間 6,333 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
このコードへのチャレンジ
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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 1 ms
5,376 KB
testcase_02 AC 1 ms
5,376 KB
testcase_03 AC 189 ms
22,664 KB
testcase_04 AC 194 ms
22,672 KB
testcase_05 AC 197 ms
22,784 KB
testcase_06 AC 11 ms
7,680 KB
testcase_07 AC 9 ms
6,940 KB
testcase_08 AC 9 ms
6,944 KB
testcase_09 AC 15 ms
9,216 KB
testcase_10 AC 13 ms
8,704 KB
testcase_11 AC 9 ms
6,944 KB
testcase_12 AC 12 ms
8,192 KB
testcase_13 AC 14 ms
9,216 KB
testcase_14 AC 16 ms
10,496 KB
testcase_15 AC 10 ms
7,168 KB
testcase_16 AC 12 ms
8,704 KB
testcase_17 AC 11 ms
7,808 KB
testcase_18 AC 16 ms
10,200 KB
testcase_19 AC 15 ms
9,752 KB
testcase_20 AC 9 ms
6,940 KB
testcase_21 AC 17 ms
9,832 KB
testcase_22 AC 37 ms
22,600 KB
testcase_23 AC 37 ms
22,868 KB
testcase_24 AC 40 ms
22,816 KB
testcase_25 AC 42 ms
22,856 KB
testcase_26 AC 187 ms
22,664 KB
testcase_27 AC 196 ms
22,744 KB
testcase_28 AC 17 ms
10,320 KB
testcase_29 AC 17 ms
10,368 KB
testcase_30 AC 15 ms
10,288 KB
testcase_31 AC 16 ms
10,368 KB
testcase_32 AC 16 ms
10,284 KB
testcase_33 AC 15 ms
10,240 KB
testcase_34 AC 42 ms
22,656 KB
testcase_35 AC 43 ms
22,656 KB
testcase_36 AC 46 ms
22,732 KB
testcase_37 AC 44 ms
22,656 KB
testcase_38 AC 191 ms
22,776 KB
testcase_39 AC 185 ms
22,784 KB
testcase_40 AC 17 ms
10,240 KB
testcase_41 AC 16 ms
10,356 KB
testcase_42 AC 15 ms
10,300 KB
testcase_43 AC 15 ms
10,356 KB
testcase_44 AC 14 ms
10,292 KB
testcase_45 AC 15 ms
10,240 KB
testcase_46 AC 13 ms
7,808 KB
testcase_47 AC 9 ms
6,528 KB
testcase_48 AC 10 ms
6,784 KB
testcase_49 AC 16 ms
9,216 KB
testcase_50 AC 15 ms
8,704 KB
testcase_51 AC 9 ms
6,272 KB
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 # 

#line 1 "library/Template/template.hpp"
#include <bits/stdc++.h>
using namespace std;

#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
using ll=long long int;
const int inf = 0x3fffffff;
const ll INF = 0x1fffffffffffffff;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
#line 2 "library/Utility/fastio.hpp"
#include <unistd.h>

class FastIO{
    static constexpr int L=1<<16;
    char rdbuf[L];
    int rdLeft=0,rdRight=0;
    inline void reload(){
        int len=rdRight-rdLeft;
        memmove(rdbuf,rdbuf+rdLeft,len);
        rdLeft=0,rdRight=len;
        rdRight+=fread(rdbuf+len,1,L-len,stdin);
    }
    inline bool skip(){
        for(;;){
            while(rdLeft!=rdRight and rdbuf[rdLeft]<=' ')rdLeft++;
            if(rdLeft==rdRight){
                reload();
                if(rdLeft==rdRight)return false;
            }
            else break;
        }
        return true;
    }
    template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline bool _read(T& x){
        if(!skip())return false;
        if(rdLeft+20>=rdRight)reload();
        bool neg=false;
        if(rdbuf[rdLeft]=='-'){
            neg=true;
            rdLeft++;
        }
        x=0;
        while(rdbuf[rdLeft]>='0' and rdLeft<rdRight){
            x=x*10+(neg?-(rdbuf[rdLeft++]^48):(rdbuf[rdLeft++]^48));
        }
        return true;
    }
    template<typename T,enable_if_t<is_floating_point<T>::value,int> =0>inline bool _read(T& x){
        if(!skip())return false;
        if(rdLeft+20>=rdRight)reload();
        bool neg=false;
        if(rdbuf[rdLeft]=='-'){
            neg=true;
            rdLeft++;
        }
        x=0;
        while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){
            x=x*10+(rdbuf[rdLeft++]^48);
        }
        if(rdbuf[rdLeft]!='.')return true;
        rdLeft++;
        T base=.1;
        while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){
            x+=base*(rdbuf[rdLeft++]^48);
            base*=.1;
        }
        if(neg)x=-x;
        return true;
    }
    inline bool _read(char& x){
        if(!skip())return false;
        if(rdLeft+1>=rdRight)reload();
        x=rdbuf[rdLeft++];
        return true;
    }
    inline bool _read(string& x){
        if(!skip())return false;
        for(;;){
            int pos=rdLeft;
            while(pos<rdRight and rdbuf[pos]>' ')pos++;
            x.append(rdbuf+rdLeft,pos-rdLeft);
            if(rdLeft==pos)break;
            rdLeft=pos;
            if(rdLeft==rdRight)reload();
            else break;
        }
        return true;
    }
    template<typename T>inline bool _read(vector<T>& v){
        for(auto& x:v){
            if(!_read(x))return false;
        }
        return true;
    }

    char wtbuf[L],tmp[50];
    int wtRight=0;
    inline void flush(){
        fwrite(wtbuf,1,wtRight,stdout);
        wtRight=0;
    }
    inline void _write(const char& x){
        if(wtRight>L-32)flush();
        wtbuf[wtRight++]=x;
    }
    inline void _write(const string& x){
        for(auto& c:x)_write(c);
    }
    template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline void _write(T x){
        if(wtRight>L-32)flush();
        if(x==0){
            _write('0');
            return;
        }
        else if(x<0){
            _write('-');
            if (__builtin_expect(x == std::numeric_limits<T>::min(), 0)) {
                switch (sizeof(x)) {
                case 2: _write("32768"); return;
                case 4: _write("2147483648"); return;
                case 8: _write("9223372036854775808"); return;
                }
            }
            x=-x;
        }
        int pos=0;
        while(x!=0){
            tmp[pos++]=char((x%10)|48);
            x/=10;
        }
        rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i];
        wtRight+=pos;
    }
    template<typename T>inline void _write(const vector<T>& v){
        rep(i,0,v.size()){
            if(i)_write(' ');
            _write(v[i]);
        }
    }
public:
    FastIO(){}
    ~FastIO(){flush();}
    inline void read(){}
    template <typename Head, typename... Tail>inline void read(Head& head,Tail&... tail){
        assert(_read(head));
        read(tail...); 
    }
    template<bool ln=true,bool space=false>inline void write(){if(ln)_write('\n');}
    template <bool ln=true,bool space=false,typename Head, typename... Tail>inline void write(const Head& head,const Tail&... tail){
        if(space)_write(' ');
        _write(head);
        write<ln,true>(tail...); 
    }
};

/**
 * @brief Fast IO
 */
#line 3 "sol.cpp"

#line 2 "library/Math/modint.hpp"

template<int mod=1000000007>struct fp {
    int v; static int get_mod(){return mod;}
    int inv() const{
        int tmp,a=v,b=mod,x=1,y=0;
        while(b)tmp=a/b,a-=tmp*b,swap(a,b),x-=tmp*y,swap(x,y);
        if(x<0){x+=mod;} return x;
    }
    fp(ll x=0){init(x%mod+mod);}
    fp& init(ll x){v=(x<mod?x:x-mod); return *this;}
    fp operator-()const{return fp()-*this;}
    fp pow(ll t){assert(t>=0); fp res=1,b=*this; while(t){if(t&1)res*=b;b*=b;t>>=1;} return res;}
    fp& operator+=(const fp& x){return init(v+x.v);}
    fp& operator-=(const fp& x){return init(v+mod-x.v);}
    fp& operator*=(const fp& x){v=ll(v)*x.v%mod; return *this;}
    fp& operator/=(const fp& x){v=ll(v)*x.inv()%mod; return *this;}
    fp operator+(const fp& x)const{return fp(*this)+=x;}
    fp operator-(const fp& x)const{return fp(*this)-=x;}
    fp operator*(const fp& x)const{return fp(*this)*=x;}
    fp operator/(const fp& x)const{return fp(*this)/=x;}
    bool operator==(const fp& x)const{return v==x.v;}
    bool operator!=(const fp& x)const{return v!=x.v;}
    friend istream& operator>>(istream& is,fp& x){return is>>x.v;}
    friend ostream& operator<<(ostream& os,const fp& x){return os<<x.v;}
};
template<typename T>struct factorial {
    vector<T> Fact,Finv,Inv;
    factorial(int maxx){
        Fact.resize(maxx); Finv.resize(maxx); Inv.resize(maxx);
        Fact[0]=Fact[1]=Finv[0]=Finv[1]=Inv[1]=1;
        rep(i,2,maxx){Fact[i]=Fact[i-1]*i;} Finv[maxx-1]=Fact[maxx-1].inv();
        for(int i=maxx-1;i>=2;i--){Finv[i-1]=Finv[i]*i; Inv[i]=Finv[i]*Fact[i-1];}
    }
    T fact(int n,bool inv=0){if(n<0)return 0; return (inv?Finv[n]:Fact[n]);}
    T inv(int n){if(n<0)return 0; return Inv[n];}
    T nPr(int n,int r,bool inv=0){if(n<0||n<r||r<0)return 0; return fact(n,inv)*fact(n-r,inv^1);}
    T nCr(int n,int r,bool inv=0){if(n<0||n<r||r<0)return 0; return fact(n,inv)*fact(r,inv^1)*fact(n-r,inv^1);}
    T nHr(int n,int r,bool inv=0){return nCr(n+r-1,r,inv);}
};

/**
 * @brief Modint
 */
#line 5 "sol.cpp"
using Fp=fp<998244353>;

FastIO io;
int main(){
    int n;
    io.read(n);
    string t;
    io.read(t);

    vector<int> len(n);
    vector<string> pre(n),suf(n);
    vector<Fp> cnt(n);
    rep(i,0,n){
        string s;
        io.read(s);
        if(s=="~"){
            int j,k;
            io.read(j,k);
            j--; k--;
            cnt[i]=cnt[j]+cnt[k];
            len[i]=min(100,len[j]+len[k]);
            string base=suf[j]+pre[k];
            rep(x,max<int>(0,suf[j].size()-t.size()+1),suf[j].size())if(x+t.size()<=base.size() and base.substr(x,t.size())==t){
                cnt[i]+=1;
            }

            if(len[j]>=50)pre[i]=pre[j];
            else{
                assert(pre[j]==suf[j]);
                int go=min(50,len[j]+len[k]);
                pre[i]=base.substr(0,go);
            }
            if(len[k]>=50)suf[i]=suf[k];
            else{
                assert(pre[k]==suf[k]);
                int go=min(50,len[j]+len[k]);
                suf[i]=base.substr(base.size()-go,go);
            }
        }
        else{
            rep(j,0,s.size()-t.size()+1)if(s.substr(j,t.size())==t){
                cnt[i]+=1;
            }
            len[i]=s.size();
            int go=min(50,len[i]);
            pre[i]=s.substr(0,go);
            suf[i]=s.substr(len[i]-go,go);
        }
    }
    Fp ret=cnt[n-1];
    io.write(ret.v);
    return 0;
}
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