제출 #328703

#제출 시각아이디문제언어결과실행 시간메모리
328703aris12345678마라톤 경주 (COCI14_utrka)C++14
80 / 80
205 ms10476 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long #define pi pair<int, int> #define fi first #define se second const int mxN = 1e6+5; const int mod = 1e9+7; const ll inf = 1e18; int n; map<string, int> mp; int main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for(int i = 0; i < 2*n-1; i++) { string s; cin >> s; ++mp[s]; } for(pair<string, int> i : mp) { if(i.se%2 == 1) cout << i.fi << "\n"; } return 0; }
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