Submission #92826

#	Time	Username	Problem	Language	Result	Execution time	Memory
92826		LittleFlowers__	Selling RNA Strands (JOI16_selling_rna)	C++14	35 / 100	1570 ms	210624 KiB

selling_rna

#include <bits/stdc++.h>
using namespace std;
const int N=2000010;
int n,m,G,Il,Ir;
int Tl[N][4],Tr[N][4];
int C[N];
vector<int> Fl[N],Fr[N];
string s;
void add(int i)
{
    cin>>s;
    for(auto & c : s)
    {
        if(c=='G') c='B';
        if(c=='U') c='D';
    }
    G=0;
    for(auto & c : s)
    {
        if(!Tl[G][c-'A']) Tl[G][c-'A']=++Il;
        G=Tl[G][c-'A'];
        Fl[G].push_back(i);
    }
    reverse(s.begin(),s.end());
    G=0;
    for(auto & c : s)
    {
        if(!Tr[G][c-'A']) Tr[G][c-'A']=++Ir;
        G=Tr[G][c-'A'];
        Fr[G].push_back(i);
    }
}
void get()
{
    G=0;
    cin>>s;
    for(auto & c : s)
    {
        if(c=='G') c='B';
        if(c=='U') c='D';
    }
    for(auto & c : s)
    {
        G=Tl[G][c-'A'];
        if(!G) break;
    }
    int GG=G;
    for(auto & i : Fl[G]) C[i]++;
    G=0;
    cin>>s;
    for(auto & c : s)
    {
        if(c=='G') c='B';
        if(c=='U') c='D';
    }
    reverse(s.begin(),s.end());
    for(auto & c : s)
    {
        G=Tr[G][c-'A'];
        if(!G) break;
    }
    int ans=0;
    for(auto & i : Fr[G]) ans+=C[i];
    for(auto & i : Fl[GG]) C[i]=0;
    cout<<ans<<"\n";
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    //freopen("RNA.inp","r",stdin);
    cin>>n>>m;
    for(int i=0; i<n; ++i) add(i);
    for(int i=0; i<m; ++i) get();
}

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40