Submission #965360

#	Time	Username	Problem	Language	Result	Execution time	Memory
965360		dosts	Vlak (COCI20_vlak)	C++17	70 / 70	21 ms	20060 KiB

Main

//Dost SEFEROĞLU
#pragma GCC optimize("O3,unroll-loops,Ofast")
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " << 
#define vi vector<int>
const int N = 5e5+100,inf = 1e9,MOD = 1e9+7;

int add(int x,int y) {
    return ((x+y) >= MOD ? x+y-MOD : x+y);
}

string S;

struct Trie {
    unordered_map<int,Trie*> children;
    int ultimo[2] = {0,0};
    void insert(string* ss,int fl) {
        ultimo[fl]++;
        if (ss->empty()) return;
        char cc = ss->back();
        ss->pop_back();
        if (!children.count(cc)) children[cc] = new Trie;
        children[cc]->insert(ss,fl);
    }

    bool dfs(int turn) {
        for (auto it : children){
            if (!it.ss->ultimo[turn]) continue;
            if (!it.ss->dfs(1-turn)) return true;
        }
        return false;
    }

} *root = new Trie;


void solve() {
    int n;
    cin >> n;
    for (int i=1;i<=n;i++) {
        cin >> S;
        reverse(S.begin(),S.end());
        root->insert(&S,0);
    }
    int m;
    cin >> m;
    for (int i=1;i<=m;i++) {
        cin >> S;
        reverse(S.begin(),S.end());
        root->insert(&S,1);
    }

    cout << (root->dfs(0) ? "Nina\n" : "Emilija\n");
}
                 
                             
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    #ifdef Dodi
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    #endif
    int t = 1;
    //cin >> t; 
    while (t --> 0) solve();
}

• 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