#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin>>n;
multiset <string> arr;
for(int i=0;i<n;i++) {
string x;
cin>>x;
arr.insert(x);
}
for(int i=0;i<n-1;i++) {
string s;
cin>>s;
auto it = arr.find(s);
arr.erase(it);
}
for(auto it:arr) {
cout<<it<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
388 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
61 ms |
5740 KB |
Output is correct |
7 |
Correct |
110 ms |
8452 KB |
Output is correct |
8 |
Correct |
127 ms |
10212 KB |
Output is correct |
9 |
Correct |
138 ms |
11096 KB |
Output is correct |
10 |
Correct |
155 ms |
11072 KB |
Output is correct |