Contest1220/F.cpp

#include<bits/stdc++.h>
using namespace std;
bool cmp(string a,string b)
{
    if(a.length()==b.length())
        return a<b;
    else
        return a.length()<b.length();
}
int main()
{
    int n;
    while(cin>>n)
    {
        string str[n];
        int i =n;
        while(i)
            cin>>str[--i];
        sort(str,str+n,cmp);
        for(i=0;i<n;i++)
            cout<<str[i]<<endl;
    }
    return 0;
}