Submission #377831

#	Time	Username	Problem	Language	Result	Execution time	Memory
377831		kshitij_sodani	Vlak (COCI20_vlak)	C++14	70 / 70	20 ms	10860 KiB

Main

//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'
int n,m;
int pre[200001][26];
int val[200001][2];
int dp[200001];
int co=0;
void insert(string s,int ii){
	
	int cur=0;
	for(int i=0;i<s.size();i++){
		if(pre[cur][s[i]-'a']==0){
			co++;
			pre[cur][s[i]-'a']=co;
		}
		cur=pre[cur][s[i]-'a'];
		val[cur][ii]++;
	}
}
void dfs(int no,int lev=0){
	if(lev%2==0){
		dp[no]=0;
		for(int j=0;j<26;j++){
			if(pre[no][j]>0){
				//cout<<no<<":"<<pre[no][j]<<":"<<j<<endl;
				dfs(pre[no][j],lev+1);
				if(val[pre[no][j]][0]>0){
					dp[no]|=(1-dp[pre[no][j]]);
				}
			}
		}
	}
	else{
		dp[no]=0;
		for(int j=0;j<26;j++){
			if(pre[no][j]>0){
				//cout<<no<<":"<<pre[no][j]<<":"<<j<<endl;
				dfs(pre[no][j],lev+1);
				if(val[pre[no][j]][1]>0){
					dp[no]|=(1-dp[pre[no][j]]);
				}
			}
		}
	}
//	cout<<no<<",,"<<dp[no]<<endl;
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;
	for(int i=0;i<n;i++){
		string s;
		cin>>s;
		insert(s,0);
	}
	cin>>m;
	for(int i=0;i<m;i++){
		string s;
		cin>>s;
		insert(s,1);
	}
	dfs(0);
	if(dp[0]){
		cout<<"Nina"<<endl;
	}
	else{
		cout<<"Emilija"<<endl;
	}








 
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void insert(std::string, int)':
Main.cpp:18:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for(int i=0;i<s.size();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