/*
ID: 5ak0
PROG:
LANG: C++11
*/
#include <bits/stdc++.h>
#define fr first
#define sc second
#define pb push_back
#define mpr make_pair
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int INF = 1e9 + 7;
int n;
string s[1010], x;
map <string, bool> mp;
int main(){
#ifndef SAKO
//freopen(".in", "r", stdin);
//freopen(".out", "w", stdout);
#endif // SAKO
ios_base::sync_with_stdio(0);
cin >> n;
for (int i = 1; i <= n; ++i){
cin >> s[i];
}
for (int i = 1; i < n; ++i){
cin >> x;
++mp[x];
}
for (int i = 1; i <= n; ++i)
if (mp[s[i]] % 2 == 0)
cout << s[i];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
2212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
2212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |