Submission #1267576

#	Time	Username	Problem	Language	Result	Execution time	Memory
1267576		quangykqh	Selling RNA Strands (JOI16_selling_rna)	C++20	35 / 100	1598 ms	200416 KiB

selling_rna

#include<bits/stdc++.h>
using namespace std;
const int MN=1e5+1209;
long long n,m,k,ans,pos[500],MIN;
string skibidi[MN],sex[MN],s[MN];
struct trie
{
    struct Node2
    {
        int cnt;
        Node2 *child[5][5];
        Node2()
        {
            cnt=0;
            for(int i=0;i<5;i++)
                for(int j=0;j<5;j++)
                child[i][j]=NULL;
        }
    };
    Node2 *root=new Node2;
    Node2 *cur=root;
    void addstring(string &p,string &q)
    {
        cur=root;
        for(int i=0;i<p.length();i++)
        {
            if(!cur->child[pos[p[i]]][pos[q[i]]])
                cur->child[pos[p[i]]][pos[q[i]]]=new Node2;
            cur=cur->child[pos[p[i]]][pos[q[i]]];
        }
    }
    void addstring2(string& s)
    {
        root->cnt++;
        cur=root;
        for(int i=0;i<s.length();i++)
        {
            Node2 *cb=cur;
            for(int j=i;j<s.length();j++)
            {
                if(!cur->child[pos[s[j]]][0])break;
                cur=cur->child[pos[s[j]]][0];
                cur->cnt++;
            }
            cur=cb;
            for(int j=i;j<s.length();j++)
            {
                if(!cur->child[0][pos[s[s.length()-j-1]]])break;
                cur=cur->child[0][pos[s[s.length()-j-1]]];
                cur->cnt++;
            }
            cur=cb;
            if(!cur->child[pos[s[i]]][pos[s[s.length()-i-1]]])break;
            cur=cur->child[pos[s[i]]][pos[s[s.length()-i-1]]];
            cur->cnt++;
        }
    }
    int takeans(string &p,string &q)
    {
        cur=root;
        for(int i=0;i<p.length();i++)
        {
            cur=cur->child[pos[p[i]]][pos[q[i]]];
        }
        return cur->cnt;
    }
};
trie TRIE;
int main()
{
    if(fopen("GAME.INP","r"))
    {
        freopen("GAME.INP","r",stdin);
        freopen("GAME.OUT","w",stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>m;
    pos['A']=1;
    pos['C']=2;
    pos['U']=3;
    pos['G']=4;
    pos['#']=0;
    for(int i=1;i<=n;i++)
    {
        cin>>s[i];
    }
    for(int i=1;i<=m;i++)
    {
        cin>>skibidi[i]>>sex[i];
        reverse(sex[i].begin(),sex[i].end());
        while(sex[i].length()<skibidi[i].length())
            sex[i].push_back('#');
        while(skibidi[i].length()<sex[i].length())
            skibidi[i].push_back('#');
        TRIE.addstring(skibidi[i],sex[i]);
    }
    for(int i=1;i<=n;i++)
    {
        TRIE.addstring2(s[i]);
    }
    for(int i=1;i<=m;i++)
        cout<<TRIE.takeans(skibidi[i],sex[i])<<'\n';
}

Compilation message (stderr)

selling_rna.cpp: In function 'int main()':
selling_rna.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |         freopen("GAME.INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
selling_rna.cpp:74:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |         freopen("GAME.OUT","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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