Submission #1180276

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180276		sasde	Vlak (COCI20_vlak)	C++20	70 / 70	17 ms	20292 KiB

Main

#include<bits/stdc++.h>
#define task "strdel"
#define ii pair<int,int>
#define iii pair<int,ii>
#define iv pair<ii,ii>
#define se second
#define fi first
#define ffi fi.fi
#define sfi se.fi
#define sse se.se
#define fse fi.se
#define lt(i, c, d) for(int i = c; i <= d; ++i)
#define fl(i, c, d) for(int i = d; i >= c; --i)
#define pb push_back
#define emb emplace_back
#define emf emplace_front
#define em emplace
using namespace std;
const int N=2e5+5,lg=20,mod=1e9+7;
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int Rand(int u,int v){
 return u+rd()%(v-u+1);
}
int n,m;
struct Trie
{ 
  Trie *child[26]={};
  bool x=false,y=false;
}tr;
void add(Trie *tr,string s,int z){
  Trie *cur=tr;
  for(int i=0;i<s.size();++i){
    int c=s[i]-'a';
    if(cur->child[c]==NULL)cur->child[c]=new Trie;
    cur=cur->child[c];
    // if(z==1)cout <<c<<" ";
  
  }

    if(z==1)cur->x=true;
    else cur->y=true;
}
void query(Trie *tr,int c,int de=0){
  bool x=false,y=false;
       for(int i=0;i<26;++i){
        if(tr->child[i]==NULL)continue;
        query(tr->child[i],c^1,de+1);
        x|=tr->child[i]->x;
        y|=tr->child[i]->y;
       }
       // cout <<c<<" "<<de<<" "<<x<<" "<<y<<" "<<'\n';

       if(!c){
        if(x)tr->x=true,tr->y=false;
        else if(y)tr->x=false,tr->y=true;
       }
       else{
        if(y)tr->y=true,tr->x=false;
        else if(x)tr->y=false,tr->x=true;
       }
}
string win(Trie *tr){
  query(tr,0);
  if(tr->x)return "Nina";
  return "Emilija"; 
}
void solve(){
  cin >> n;
  for(int i=1;i<=n;++i){
  string s;
  cin >> s;
  add(&tr,s,1);
  }
  cin >> m;
  for(int j=1;j<=m;++j){
    string s;
    cin >> s;
  add(&tr,s,0);
  }
  cout <<win(&tr);

  
}
main()
{
  srand(time(0));
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    if(fopen(task".inp","r")){
      freopen(task".inp","r",stdin);
      freopen(task".out","w",stdout);
    }
    int t=1;
 //   cin >> t;
while(t--){
    solve();
    cout<<'\n';
}

}

Compilation message (stderr)

Main.cpp:84:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   84 | main()
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:91:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |       freopen(task".inp","r",stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:92:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   92 |       freopen(task".out","w",stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• 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