SirC 1

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

int nr_voc(char s[])
{
    int nrvoc=0;
    int i=0;
    while(s[i]!=0)
    {
        if(strchr("aeiouAEIOU",s[i]))
            ++nrvoc;
        ++i;
    }
    return nrvoc;
}

bool e_palindrom(char s[])
{
    unsigned int L=strlen(s);
    for(unsigned int i=0;i<L/2;++i)
        if(s[i]!=s[L-i-1])
            return false;
    return true;
}

int nr_lit_dist(char s[])
{
    int nr=0,F[123];
    for(int i=65;i<=122;++i)
        F[i]=0;
    for(unsigned int i=0;i<strlen(s);++i)
        ++F[(int)s[i]];
    for(int i=65;i<=122;++i)
        if(F[i])
            ++nr;
    return nr;
}

int main()
{
    int n;
    cin>>n;
    char cuv[101][21];
    int LitD[101],nrvoc=0;
    unsigned int MAX=0;
    for(int i=0;i<n;++i)
    {
        cin>>cuv[i];
        if(strlen(cuv[i])>MAX)
            MAX=strlen(cuv[i]);
        nrvoc+=nr_voc(cuv[i]);
        LitD[i]=nr_lit_dist(cuv[i]);
    }
    for(int i=n-1;i>=0;--i)
        if(strlen(cuv[i])==MAX)
        {
            cout<<cuv[i]<<'\n';
            break;
        }
    cout<<nrvoc<<'\n';
    for(int i=0;i<n;++i)
        if(e_palindrom(cuv[i]))
            cout<<cuv[i]<<' ';
    cout<<'\n';
    char s[21];
    for(int i=0;i<n-1;++i)
        for(int j=i+1;j<n;++j)
            if(LitD[i]<=LitD[j])
            {
                if(LitD[i]==LitD[j])
                {
                    if(strcmp(cuv[i],cuv[j])==1)
                    {
                        swap(LitD[i],LitD[j]);
                        strcpy(s,cuv[i]);
                        strcpy(cuv[i],cuv[j]);
                        strcpy(cuv[j],s);
                    }
                }
                else
                {
                    swap(LitD[i],LitD[j]);
                    strcpy(s,cuv[i]);
                    strcpy(cuv[i],cuv[j]);
                    strcpy(cuv[j],s);
                }
            }
    for(int i=0;i<n;++i)
        cout<<cuv[i]<<' ';
    return 0;
}