10905 - Children's Game

程式碼:

#include <iostream>
#include <algorithm>
using namespace std;

bool cmp(string a,string b)
{
    return (a+b)>(b+a);
}
int main()
{
    int n;
    while(cin>>n)
    {
        if(n==0) break;
        string l[51];
        for(int i=0;i<n;i++)
            cin>>l[i];
        sort(l,l+n,cmp);
        for(int i=0;i<n;i++)
            cout<<l[i];
        cout<<endl;
    }
    return 0;
}