oj.uz

답안 #772305

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
772305 2023-07-03T23:37:26 Z tolbi 마라톤 경주 (COCI14_utrka) C++17
80 / 80
 128 ms 10332 KB 
#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define int long long
#define vint(x) vector<int> x
#define endl '\n'
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(), x.end())
#define sortrarr(x) sort(x.rbegin(), x.rend())
#define revarr(x) reverse(x.begin(), x.rend())
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define tol(x) (1ll<<((int)(bi)))
#define det(x) cout<<"NO\0YES"+((!!x)*3)<<endl;
#define INF LONG_LONG_MAX
using namespace std;
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
int32_t main(){
	ios;
	int T = 1;
	if (!T) cin>>T;
	int tno = 0;
	while (T-(tno++)){
		deci(n);
		map<string,int> mp;
		for (int i = 0; i < n; ++i)
		{
			decstr(str);
			mp[str]++;
		}
		for (int i = 0; i < n-1; ++i){
			decstr(str);
			mp[str]--;
			if (!mp[str]) mp.erase(str);
		}
		for (auto it : mp){
			cout<<it.first<<endl;
			break;
		}
	}
}

Compilation message

utrka.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      |

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 60 ms 5392 KB Output is correct
7 Correct 92 ms 7728 KB Output is correct
8 Correct 123 ms 9484 KB Output is correct
9 Correct 128 ms 10332 KB Output is correct
10 Correct 128 ms 10312 KB Output is correct