Submission #798982

#	Time	Username	Problem	Language	Result	Execution time	Memory
798982		yeediot	Vlak (COCI20_vlak)	C++14	70 / 70	20 ms	20992 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
const int mxn=2e5+5;
int trie[2][mxn][26];
int nxt=1;
vector<string>s,ss;
int n,m;
void add(string s,int type){
    int i=0,v=0;
    while(i<sz(s)){
        //cout<<v<<' ';
        if(trie[type][v][s[i]-'a']){
            v=trie[type][v][s[i++]-'a'];
        }
        else{
            v=trie[type][v][s[i++]-'a']=nxt++;
        }
    }//cout<<v<<'\n';
}
bool calc(int now,int turn,int v1,int v2){
    for(int i=0;i<26;i++){
        int a=trie[0][v1][i];
        int b=trie[1][v2][i];
        if(turn==0){
            if(a and !b)return 0;
            if(a and b and !calc(i,1,a,b))return 0;
        }
        else{
            if(!a and b)return 1;
            if(a and b and calc(i,0,a,b))return 1;
        }
    }
    return 1-turn;
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=0;i<n;i++){
        string temp;
        cin>>temp;
        add(temp,0);
    }
    cin>>m;
    nxt=1;
    for(int i=0;i<m;i++){
        string temp;
        cin>>temp;
        add(temp,1);
    }
    cout<<(calc(0,0,0,0)==0?"Nina":"Emilija")<<'\n';
}

• 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