Submission #141154

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
141154	2019-08-07 03:08:59	Breno_XD	Utrka (COCI14_utrka)	C++14	80 / 80	390 ms	8208 KiB

utrka

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#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";
 
 
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Compilation message (stderr)

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: 80 / 80