제출 #1226668

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1226668		dibamboo23	마라톤 경주 (COCI14_utrka)	C++20	80 / 80	127 ms	8276 KiB

utrka

#include <bits/stdc++.h>

#define ll long long
#define F first
#define S second
#define sz size()

using namespace std;

[[maybe_unused]]const int e6=1e6;
[[maybe_unused]]const int e7=1e7;
[[maybe_unused]]const int e8=1e8;
[[maybe_unused]]const int e9=1e9;

inline int rd(){
	int num;cin>>num;
	return num;
}

inline ll rdll(){
	ll num;cin>>num;
	return num;
}

[[maybe_unused]]const ll inf=1e18+7;
[[maybe_unused]]const ll MOD=1e9+7;
[[maybe_unused]]const int N=1e6+3;



void code(){
	int n;cin>>n;
	map<string,int>mp;
	for(int i=1;i<=n;i++){
		string s;cin>>s;
		mp[s]++;
	}
	for(int i=1;i<=n-1;i++){
		string s;cin>>s;
		mp[s]--;
	}
	for(auto[to,cnt]:mp){
		if(cnt!=0){
			cout<<to;
			break;
		}
	}
}




signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	int tt=1;
	// cin>>tt;
	while(tt--)code(),cout<<"\n";
}

• Subtask 1: 80 / 80