제출 #648901

#제출 시각아이디문제언어결과실행 시간메모리
648901Ghosty_v2마라톤 경주 (COCI14_utrka)C++14
0 / 80
1 ms212 KiB
#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; vector <string> arr(n); for(int i=0;i<n;i++) cin>>arr[i]; set <string> rapid(arr.begin(),arr.end()); for(int i=0;i<n-1;i++) { string s; cin>>s; rapid.erase(s); } for(auto it:rapid) { cout<<it<<endl; } return 0; }
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