Submission #447042

#	Time	Username	Problem	Language	Result	Execution time	Memory
447042		dz001	Utrka (COCI14_utrka)	C++11	0 / 80	0 ms	204 KiB

utrka

#include <bits/stdc++.h>
 
using namespace std;
 
#define pb push_back
#define fi first
#define se second
#define MOD 1000000007
 
typedef long long ll;

string ans;
int n;

signed main(){
	cin>>n;
	for(int i=0;i<30;++i)ans+='\0';
	for(int i=0;i<n+n-1;++i){
		string s; cin>>s;
		for(int j=0;j<(int)s.size();++j)ans[j]^=s[j];
	}	
	cout<<ans<<endl;
	
#ifdef LOCAL
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << "s.";
#endif
}

• Subtask 1: 0 / 80