#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
map<string,int> mp;
int n2 = 2*n - 1;
while(n2--){
string name;
cin >> name;
mp[name]++;
}
for(auto m : mp){
if(m.second % 2 == 1) cout << m.first;
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
296 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
2 ms |
312 KB |
Output is correct |
6 |
Correct |
74 ms |
5340 KB |
Output is correct |
7 |
Correct |
142 ms |
7884 KB |
Output is correct |
8 |
Correct |
158 ms |
9456 KB |
Output is correct |
9 |
Correct |
189 ms |
10376 KB |
Output is correct |
10 |
Correct |
177 ms |
10280 KB |
Output is correct |