oj.uz

Submission #470568

# Submission time Handle Problem Language Result Execution time Memory
470568 2021-09-04T09:47:07 Z Karabasan Utrka (COCI14_utrka) C++17
80 / 80
 231 ms 44028 KB 
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define forcin for(int i=1;i<=n;i++) scanf("%d",&dizi[i]);
#define forcout for(int i=0;i<n;i++) printf("%d ",dizi[i]);
#define ll long long

using namespace std;
int n,t,cevap;
string s[1000005];
map <string,int> mp;
int main()
{
    cin>>n;
    for(int i=0;i<2*n-1;i++)
    {
        cin>>s[i];
        mp[s[i]]++;
        
    }
   
    for(int i=0;i<2*n;i++)
    {
           if (mp[s[i]]%2==1)
               {
               cout<<s[i]<<endl;
                break;
               }
    }
        
        
       

    return 0;
}
/*
#include <bits/stdc++.h>
#define int long long
using namespace std;
map<string,int>m;
string s[1001000];
vector<string>v;
signed main()
{
    int n;
    cin>>n;
    for(int i=0; i<2*n-1; i++)
    {
        cin>>s[i];
        m[s[i]]++;
        if(m[s[i]]==1)
            v.push_back(s[i]);
    }
    for(int i=0;i<2*n;i++)
    {
        if(m[s[i]]%2==1)
        {
            cout<<s[i]<<endl;
            break;
        }
    }
}


*/

/*
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⣠⣶⡾⠏⠉⠙⠳⢦⡀⠀⠀⠀⢠⠞⠉⠙⠲⡀⠀
⠀⠀⠀⣴⠿⠏⠀⠀⠀⠀ ⠀⠀⢳⡀  ⡏⠀⠀⠀⠀⠀⢷
⠀⠀⢠⣟⣋⡀⢀⣀⣀⡀⠀⣀⡀⣧⠀⢸⠀⠀⠀⠀⠀ ⡇
⠀⠀⢸⣯⡭⠁⠸⣛⣟⠆⡴⣻⡲⣿⠀⣸⠀⠀Ez⠀ ⡇
⠀⠀⣟⣿⡭⠀⠀⠀⠀⠀⢱⠀ ⠀⣿⠀⢹⠀⠀⠀⠀⠀ ⡇
⠀⠀⠙⢿⣯⠄⠀⠀⠀⢀⡀⠀⠀⡿⠀⠀⡇⠀⠀⠀⠀⡼
⠀⠀⠀⠀⠹⣶⠆⠀⠀⠀⠀⠀⡴⠃⠀⠀⠘⠤⣄⣠⠞⠀
⠀⠀⠀⠀⠀⢸⣷⡦⢤⡤⢤⣞⣁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⢀⣤⣴⣿⣏⠁⠀⠀⠸⣏⢯⣷⣖⣦⡀⠀⠀⠀⠀⠀⠀
⢀⣾⣽⣿⣿⣿⣿⠛⢲⣶⣾⢉⡷⣿⣿⠵⣿⠀⠀⠀⠀⠀⠀
⣼⣿⠍⠉⣿⡭⠉⠙⢺⣇⣼⡏⠀⠀⠀⣄⢸⠀⠀⠀⠀⠀⠀
⣿⣿⣧⣀⣿.........⣀⣰⣏⣘⣆⣀⠀⠀


░██████╗░█████╗░██╗████████╗░█████╗░███╗░░░███╗░█████╗░
██╔════╝██╔══██╗██║╚══██╔══╝██╔══██╗████╗░████║██╔══██╗
╚█████╗░███████║██║░░░██║░░░███████║██╔████╔██║███████║  SENSEI
░╚═══██╗██╔══██║██║░░░██║░░░██╔══██║██║╚██╔╝██║██╔══██║
██████╔╝██║░░██║██║░░░██║░░░██║░░██║██║░╚═╝░██║██║░░██║
╚═════╝░╚═╝░░╚═╝╚═╝░░░╚═╝░░░╚═╝░░╚═╝╚═╝░░░░░╚═╝╚═╝░░╚═╝



*/

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 31564 KB Output is correct
2 Correct 16 ms 31564 KB Output is correct
3 Correct 17 ms 31560 KB Output is correct
4 Correct 18 ms 31620 KB Output is correct
5 Correct 18 ms 31652 KB Output is correct
6 Correct 112 ms 36676 KB Output is correct
7 Correct 181 ms 39456 KB Output is correct
8 Correct 228 ms 42852 KB Output is correct
9 Correct 231 ms 44028 KB Output is correct
10 Correct 210 ms 43976 KB Output is correct