oj.uz

Submission #825790

# Submission time Handle Problem Language Result Execution time Memory
825790 2023-08-15T08:06:32 Z taitruong270 Vlak (COCI20_vlak) C++17
70 / 70
 19 ms 23092 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->cnt[0]<<" "<<p->cnt[1]<<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, 0);
    }
    ll m; cin>>m;
    for (ll i=0; i<m; i++)
    {
        string s; cin>>s;
        trie.insert(s, 1);
    }
    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 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct

Subtask #2
10.0 / 10.0

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

Subtask #3
10.0 / 10.0

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

Subtask #4
10.0 / 10.0

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

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 21564 KB Output is correct
2 Correct 14 ms 20180 KB Output is correct
3 Correct 15 ms 19052 KB Output is correct
4 Correct 19 ms 21068 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 22100 KB Output is correct
2 Correct 19 ms 23092 KB Output is correct
3 Correct 14 ms 21156 KB Output is correct
4 Correct 14 ms 21540 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 20804 KB Output is correct
2 Correct 14 ms 20324 KB Output is correct
3 Correct 14 ms 20792 KB Output is correct
4 Correct 16 ms 22132 KB Output is correct