Submission #692135

#	Time	Username	Problem	Language	Result	Execution time	Memory
692135		Tien_Noob	Vlak (COCI20_vlak)	C++17	70 / 70	17 ms	14624 KiB

Main

//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
using namespace std;
struct Trie
{
    struct node
    {
        int rep, child[26];
        node()
        {
            rep = 0;
            memset(child, -1, sizeof(child));
        }
    };
    vector<node> tree;
    Trie()
    {
        tree.emplace_back();
    }
    void add(string &s, int t)
    {
        int id = 0;
        for (char c : s)
        {
            int w = c - 'a';
            if (tree[id].child[w] == -1)
            {
                tree[id].child[w] = tree.size();
                tree.emplace_back();
            }
            id = tree[id].child[w];
            tree[id].rep |= (1 << t);
        }
    }
    bool DFS(int u, int t)
    {
        for (int c = 0; c < 26; ++ c)
        {
            int v = tree[u].child[c];
            if (v == -1)
            {
                continue;
            }
            if (tree[v].rep == (1 << t))
            {
                return true;
            }
            if (tree[v].rep == 3 && !DFS(v, t ^ 1))
            {
                return true;
            }
        }
        return false;
    }
} tree;
void readinput(int t)
{
    int n;
    cin >> n;
    while(n--)
    {
        string s;
        cin >> s;
        tree.add(s, t);
    }
}
void read()
{
    readinput(0);
    readinput(1);
}
void solve()
{
    cout << (tree.DFS(0, 0) ? "Nina" : "Emilija");
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        //freopen(TASK".OUT", "w", stdout);
    }
    int t = 1;
    bool typetest = false;
    if (typetest)
    {
        cin >> t;
    }
    for (int __ = 1; __ <= t; ++ __)
    {
        //cout << "Case " << __ << ": ";
        read();
        solve();
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:84:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10