Submission #983371

#	Time	Username	Problem	Language	Result	Execution time	Memory
983371		roctes7	Vlak (COCI20_vlak)	C++17	70 / 70	13 ms	38488 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define fastio \
ios_base::sync_with_stdio(false); \
cin.tie(NULL);
const double eps = 1e-6;
const int MAX = 3e5+3;


int adj[MAX][30];
int num[2][MAX];
int nex = 1;
int n;


void init(){
    memset(adj,-1,sizeof adj);
}

void add(string s,int turn){
	int i = 0, v = 0;
	while(i < s.size()){
		if(adj[v][s[i]-'a'] == -1)
			v = adj[v][s[i++]-'a'] = nex++;
		else
			v = adj[v][s[i++]-'a'];
	}
	num[turn][v]++;
}

void dfs(int x){
    for(char c='a';c<='z';c++){
        if(adj[x][c-'a']!=-1){
            dfs(adj[x][c-'a']);
            num[0][x]+=num[0][adj[x][c-'a']];
            num[1][x]+=num[1][adj[x][c-'a']];
        }
    }
}


bool dp(int x,int turn){
    bool res = false;

    for(char c='a';c<='z';c++)if(adj[x][c-'a']!=-1){
            if(num[turn][adj[x][c-'a']]>0){
                res |= (!(dp(adj[x][c-'a'],(turn+1)%2)));
            }
    }

    return res;
}

int main(){
    fastio;
    //freopen("output.txt","w",stdout);


    init();

    int n;
    cin>>n;

    for(int i=0;i<n;i++){
        string s;
        cin>>s;
        add(s,0);
    }

    int m;
    cin>>m;

    for(int i=0;i<m;i++){
        string s;
        cin>>s;
        add(s,1);
    }

    dfs(0);

    cout<<(dp(0,0)?"Nina":"Emilija")<<endl;



    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void add(std::string, int)':
Main.cpp:25:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  while(i < s.size()){
      |        ~~^~~~~~~~~~

• 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