Submission #1482904

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define FOR(i,l,r) for(int i = int(l);i < int(r);i++)
template<typename T> bool chmax(T& a,const T& b){ return a < b ? (a = b,true) : false; }
template<typename T> bool chmin(T& a,const T& b){ return b < a ? (a = b,true) : false; }
typedef long long ll;

int N,K;
vector<string> S;

bool comp(const string& a,const string& b)
{
	return a + b > b + a;
}

int main()
{
	cin >> N >> K;
	S.assign(N,"");
	FOR(i,0,N){
		cin >> S [i];
	}
	sort(S.begin(),S.end(),comp);

	string ans = accumulate(S.begin(),S.end(),string(""));
	cout << ans << endl;

	return 0;
}

Submission Info

Judge Result