#include <bits/stdc++.h>
using namespace std;
map<string,vector<string>>mp;
map<string,string>par;
string get(string a){return (par.find(a)!=par.end()?par[a]=get(par[a]):a);}
void unite(string a,string b){
a=get(a);b=get(b);
if(a==b)return;
for(auto j:mp[b])mp[a].push_back(j);
mp[a].push_back(b);
mp[b].clear();par[b]=a;
}
int main(){
ios::sync_with_stdio(0); cin.tie(0);
int x;cin>>x;
string a[x],b[x];
for(int i=0;i<x;i++)cin>>a[i];
for(int i=0;i<x;i++)cin>>b[i],unite(a[i],b[i]);
for(auto [i,r]:mp){
int c=(i[0]>='0'&&i[0]<='9');
for(auto j:r)
if(j[0]>='0'&&j[0]<='9')c++;
if(c>1){
cout<<"NE";return 0;
}
}
cout<<"DA";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
316 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
2800 KB |
Output is correct |
2 |
Correct |
3 ms |
596 KB |
Output is correct |
3 |
Correct |
8 ms |
1356 KB |
Output is correct |
4 |
Correct |
25 ms |
6404 KB |
Output is correct |
5 |
Correct |
6 ms |
1180 KB |
Output is correct |
6 |
Correct |
6 ms |
1008 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
279 ms |
65536 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |