oj.uz

Submission #141155

# Submission time Handle Problem Language Result Execution time Memory
141155 2019-08-07T03:09:14 Z Breno_XD Utrka (COCI14_utrka) C++14
0 / 80
 2 ms 348 KB 
#include <map>
#include <iostream>
#include <cstdio>
using namespace std;

int n;
map<string, int> mapa;

int main(){

    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

    scanf("%d", &n);

    for(int i=1; i<=n; i++){
        string s;
        cin >> s;
        mapa[s]++;
    }

    for(int i=1; i<n; i++){
        string s;
        cin >> s;
        mapa[s]--;
    }

    for(map<string,int>::iterator it = mapa.begin(); it!=mapa.end(); it++){

        if(it->second == 1){
            cout << it->first << "\n";
            break;
        }

    }

    return 0;
}

Compilation message

utrka.cpp: In function 'int main()':
utrka.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~

Subtask #1
0 / 80.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -