oj.uz

Submission #825779

# Submission time Handle Problem Language Result Execution time Memory
825779 2023-08-15T07:56:15 Z taitruong270 Vlak (COCI20_vlak) C++17
20 / 70
 18 ms 23112 KB 
/*==============================================================================================================
         __                    __                                             _____     ______    _______
        |  |                  |  |                                           /  __ \   / _____|  / ______|     
      __|  |__              __|  |__                                         |_|  | |  | |       | |  
     |__|   __|            |__|   __|                                             | |  | |____   | |_____ 
        |  |    _____   _     |  |    ____  __  __  ____    _____    _____       / /   \ ___  \  |  ___  \
        |  |   /  _  \ | |    |  |   /  _/ | | | | /  _  \ /  __ \  /  _  \     / /         | |  | |   | |
        |  |_  | |_| | | |    |  |_  | |   | |_| | | |_| | | |  | | | |_| |    / /___   ____| |  | |___| |
        \____\ \____/| |_|    \____\ |_|   \_____/ \_____/ |_|  |_| \____ |   |______| |______/  \_______/
                                                                        | |
                                                                      __/ |
                                                                     |___/  
                                        Pratice, practice, and practice
                                       Where is the bug, delete it there
                                     Try, try, try again until you succeed
I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion.' - Mohamed Ali 
                              You may not be the best, but must be the most effort
     Even the things and people you like, you don't have the courage to take, you are destined to be a failure.
                                           Difficult means more time
                                         Pain + Reflection = Progress 
==============================================================================================================*/
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define endl '\n'
const ll mod = 1e9+7;
const ll inf = 1e18;

struct Trie 
{
    struct node 
    {
        ll cnt[2], isEnd, level, win; //so tien to va so luong xau ket thuc 
        node *child[26];

        node()
        {
            cnt[0]=cnt[1]=0;
            isEnd=false;
            level=0;
            win=-1;
            for (ll i=0; i<26; i++) child[i]=NULL;
        }
    };
    node *root=new node();
    string tmp;

    Trie() {}

    void insert(string s, ll type)
    {
        ll n=s.size(), l=0;
        node *p=root;
        p->cnt[type]+=1;
        for (ll i=0; i<n; i++)
        {
            ll nxt=s[i]-'a';
            if (p->child[nxt]==NULL) p->child[nxt]=new node();
            p=p->child[nxt];
            p->cnt[type]+=1;
            p->level=++l;
        }
        p->isEnd+=1;
    }

    bool dp(node *p)
    {
        ll turn=p->level%2;
        if (p->cnt[turn]==0) return 0;
        p->win=0;
        for (ll i=0; i<26; i++) if (p->child[i]!=NULL)
        {
            if (dp(p->child[i])==0) p->win=1;
        }
        return p->win;
    }

    void travel(node *p, string s)
    {
        if (p==NULL) return;
        cout<<s<<" "<<p->win<<endl;
        for (ll i=0; i<26; i++) if (p->child[i]!=NULL) travel(p->child[i], s+char('a'+i));
    }

    void debug() { travel(root, ""); }
};

void solve()
{
    Trie trie;
    ll n; cin>>n;
    for (ll i=0; i<n; i++)
    {
        string s; cin>>s;
        trie.insert(s, 1);
    }
    ll m; cin>>m;
    for (ll i=0; i<m; i++)
    {
        string s; cin>>s;
        trie.insert(s, 0);
    }
    if (trie.dp(trie.root)==1) cout<<"Nina";
    else cout<<"Emilija";
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    clock_t start = clock();
    //#ifndef ONLINE_JUDGE
    //freopen("_input.txt", "r", stdin);
    //freopen("_output.txt", "w", stdout);
    //#endif
    solve();
    clock_t end = clock();
    cerr<<"Time: "<<fixed<<setprecision(10)<<double(end-start)/double(CLOCKS_PER_SEC)<<"\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 0 ms 468 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Incorrect 0 ms 596 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Incorrect 1 ms 596 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 21588 KB Output is correct
2 Incorrect 14 ms 20180 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 22000 KB Output is correct
2 Incorrect 14 ms 23112 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 20820 KB Output is correct
2 Incorrect 14 ms 20308 KB Output isn't correct
3 Halted 0 ms 0 KB -