Submission #425228

#	Time	Username	Problem	Language	Result	Execution time	Memory
425228		keta_tsimakuridze	Vlak (COCI20_vlak)	C++14	70 / 70	36 ms	19224 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int aft[N][30],fix[N][2],cur,n,m;
vector<int>V[N];
string s;
void add(string s,int f){
	int u = 0;
	for(int i=0;i<s.size();i++){
		if(!aft[u][s[i]-'0']) {
			cur++;
			aft[u][s[i]-'0'] = cur;	V[u].push_back(aft[u][s[i]-'0']);
		}
		
	
		u = aft[u][s[i]-'0'];
		fix[u][f] = 1;
	}
}
bool dfs(int u,int f) {
	int o = 0;
	//cout<< f << " "<< u << endl;
	if(!fix[u][f]) return 0;
	if(!fix[u][1-f]) return 1; 
 	for(int i=0;i<V[u].size();i++){
		bool x = dfs(V[u][i],1^f); 
		o|=x;
	//	cout<<u<<" "<<f<<"  "<<x<<endl;
	}
	return o^1;
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>s;
		add(s,0);
	} cout<<endl;
	cin>>m;
	for(int i=1;i<=m;i++){
		cin>>s;
		add(s,1);
	}
	int x = 0;
	for(int i=0;i<V[0].size();i++) x|=dfs(V[0][i],0);
	if(x) cout<<"Nina"; else cout<<"Emilija";
}

Compilation message (stderr)

Main.cpp: In function 'void add(std::string, int)':
Main.cpp:9:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~
Main.cpp: In function 'bool dfs(int, int)':
Main.cpp:25:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(int i=0;i<V[u].size();i++){
      |               ~^~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:44:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  for(int i=0;i<V[0].size();i++) x|=dfs(V[0][i],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