이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <iostream>
#include <vector>
#include <map>
using namespace std;
struct cell{
map<char,int> nina,emi,word;
};
vector<cell> trie;
void add_nina(string& s){
int u=0;
for(int i=0;i<s.size();i++){
if(trie[u].word.find(s[i])==trie[u].word.end()){
trie[u].word[s[i]]=trie.size();
map<char,int> a,b,c;
trie.push_back({a,b,c});
}
trie[u].nina[s[i]]=trie[u].word[s[i]],
u=trie[u].nina[s[i]];
}
}
void add_emi(string& s){
int u=0;
for(int i=0;i<s.size();i++){
if(trie[u].word.find(s[i])==trie[u].word.end()){
trie[u].word[s[i]]=trie.size();
map<char,int> a,b,c;
trie.push_back({a,b,c});
}
trie[u].emi[s[i]]=trie[u].word[s[i]];
u=trie[u].emi[s[i]];
}
}
int ok(int u,int turn){ //si encuentra un camino por el que el otro pierde
if(turn){
for(auto x:trie[u].nina){
if(!ok(x.second,1-turn))return 1;
}
}
else{
for(auto x:trie[u].emi){
if(!ok(x.second,1-turn))return 1;
}
}
return 0;
}
int main(){
map<char,int> a,b,c;
trie.push_back({a,b,c});
int n;
string s;
cin>>n;
while(n--){
cin>>s;
add_nina(s);
}
cin>>n;
while(n--){
cin>>s;
add_emi(s);
}
if(ok(0,1))cout<<"Nina";
else cout<<"Emilija";
}
컴파일 시 표준 에러 (stderr) 메시지
Main.cpp: In function 'void add_nina(std::string&)':
Main.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
Main.cpp: In function 'void add_emi(std::string&)':
Main.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for(int i=0;i<s.size();i++){
| ~^~~~~~~~~
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