Submission #1102105

#	Time	Username	Problem	Language	Result	Execution time	Memory
1102105		rayan_bd	Vlak (COCI20_vlak)	C++17	70 / 70	28 ms	20560 KiB

Main

#include <bits/stdc++.h>
using namespace std;

const vector<string> ans={"Emilija","Nina"};

struct Node
{
	Node* child[26];
	bool n,m;
	Node(){
		for(int i=0;i<26;++i) child[i]=0;
		n=m=0;
	}
};

Node* root = new Node();
struct Trie{
	void add(string str,bool f){
		Node* curr=root;
		for(auto it:str){
			if(curr->child[it-'a']==NULL) curr->child[it-'a']=new Node();
			curr=curr->child[it-'a'],curr->n|=f,curr->m|=!f;
		}
	}
	bool qry(Node* curr,bool f){
		for(int i=0;i<26;++i){
			if((curr->child[i]!=NULL&&curr->child[i]->n==f&&curr->child[i]->m==!f)||(curr->child[i]!=NULL&&curr->child[i]->n==curr->child[i]->m&&qry(curr->child[i],!f)==f)) return f;
		}
		return !f;
	}
} tr;

signed main() {
    int n;cin>>n;
    string str;
    for(int i=0;i<n;++i){
    	cin>>str;
    	tr.add(str,1);
    }
    cin>>n;
    for(int i=0;i<n;++i){
    	cin>>str;
    	tr.add(str,0);
    }
    cout<<ans[tr.qry(root,1)];
    return 0;
}

• 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