Submission #520153

#	Time	Username	Problem	Language	Result	Execution time	Memory
520153		AkiYuu	Vlak (COCI20_vlak)	C++17	70 / 70	10 ms	9932 KiB

Main

/*

Problems:
Author: AkiYuu

*/

#include <bits/stdc++.h>
#define task "GROUP"
#define ll long long
#define ld long double
#define pb(u) emplace_back(u)
#define ffw(i,a,b) for (ll i = a; i <= b; i++)
#define fbw(i,b,a) for (ll i = b; i >= a; i--)
#define adj(v,adj,u) for (auto v : adj[u])
#define rep(i,a) for (auto i : a)
#define reset(a) memset(a, 0, sizeof(a))
#define sz(a) a.size()
#define all(a) a.begin(),a.end()

using namespace std;

void fastio(){
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
//	freopen(task".inp", "r", stdin);
//	freopen(task".out", "w", stdout);
}

const int mxn = 1e6 + 5;
typedef pair<ll, ll> ii;
int trie[2000005][26], dem = 0;
int can[2000005 * 26];
int n, m;
bool winner[2000005 * 26];
void add(string s, int col){
    int node = 0;
    for (char c : s){
        int x = c - 'a';
        can[node] |= ( 1 << col );
        if (trie[node][x] == 0) {
            trie[node][x] = ++dem;
        }
        node = trie[node][x];
    }
}

int calc(int u, int player){

    if( !(can[u] & ( 1 << player ) ) ) return 0;

    ffw(i,0,25){
        if ( trie[u][i] == 0) continue;
        int v = trie[u][i];
        if ( !calc(v, player ^ 1) ){
            return 1;
        }
    }
    return 0;
}

string ans[2] = {"Emilija", "Nina"};

void solve(){
    cin >> n;
    ffw(i,1,n){
        string s;
        cin >> s;
        add(s,0);
    }
    cin >> m;
    ffw(i,1,m){
        string s;
        cin >> s;
        add(s,1);
    }
    cout << ans[calc(0,0) ]<< '\n';
}

int main(){
	fastio();
	int t = 1;
//	cin >> t;
	while (t--)
	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