Submission #689922

#	Time	Username	Problem	Language	Result	Execution time	Memory
689922		gagik_2007	Vlak (COCI20_vlak)	C++17	70 / 70	20 ms	14656 KiB

Main

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <chrono>
#include <ctime>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <limits>
#include <iomanip>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <functional>
#include <random>
#include <cassert>
using namespace std;

typedef long long ll;
typedef long double ld;

#define ff first
#define ss second

const int K = 26;

class Vertex {
public:
    bool f, s, fw, sw;
    int to[K];
    Vertex() {
        f = s = false;
        fw = sw = false;
        fill(to, to + K, -1);
    }
};

ll ttt;
const ll INF = 1e18;
const ll MOD = 1e9 + 7;
const ll N = 1000007;
ll n, m, k;
vector<Vertex>p(1);

void add_f(const string& s) {
    int v = 0;
    for (char ch : s) {
        p[v].fw = true;
        int c = ch - 'a';
        if (p[v].to[c] == -1) {
            p[v].to[c] = p.size();
            p.emplace_back();
        }
        v = p[v].to[c];
    }
    p[v].fw = true;
}

void add_s(const string& s) {
    int v = 0;
    for (char ch : s) {
        p[v].sw = true;
        int c = ch - 'a';
        if (p[v].to[c] == -1) {
            p[v].to[c] = p.size();
            p.emplace_back();
        }
        v = p[v].to[c];
    }
    p[v].sw = true;
}

void calc(int v) {
    for (int i = 0; i < K; i++) {
        int to = p[v].to[i];
        if (to != -1) {
            if (p[to].fw && !p[to].s) {
                p[v].f = true;
            }
            if (p[to].sw && !p[to].f) {
                p[v].s = true;
            }
        }
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    string s;
    for (int i = 0; i < n; i++) {
        cin >> s;
        add_f(s);
    }
    cin >> m;
    for (int i = 0; i < m; i++) {
        cin >> s;
        add_s(s);
    }
    //cout << "HASAV" << endl;
    for (int i = p.size() - 1; i >= 0; i--) {
        calc(i);
    }
    if (p[0].f) {
        cout << "Nina" << endl;
    }
    else {
        cout << "Emilija" << endl;
    }
    return 0;
}

/// ---- - --------  ------ -------- -- - - -
/// Just a reminder. Ubuntu password is I O I
/// ---- - --------  ------ -------- -- - - -

• 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