06-03

#include <iostream> // dane: https://pastebin.com/06P6S4JH
#include <fstream>
#include <cmath>

using namespace std;

int main () {
    ifstream dane("dane.txt");
    ofstream wynik("wynik6.txt");
    int a=0, dl, dl2;
    string s1, s2;
    while(!dane.eof()) {
        dane>>s1;
        dl = s1.size();
        if(s1[0] == s1[dl-1]) {
            a++;
        }
    }
    dane.close();
    wynik<<"a) Ilosc liczb spelniajacych warunek to: "<<a<<endl;

    ifstream dane2("dane.txt");
    while(!dane2.eof()) {
        dane2>>s2;
    //  cout<<s2<<endl;
        dl = s2.size();
        if ((s2.size() == 3 && s2[0]<=s2[1] && s2[1]<=s2[2])
        || (s2.size() == 4 && s2[0]<=s2[1] && s2[1]<=s2[2] && s2[2]<=s2[3])
        || (s2.size() == 5 && s2[0]<=s2[1] && s2[1]<=s2[2] && s2[2]<=s2[3] && s2[3]<s2[4])
        || (s2.size() == 6 && s2[0]<=s2[1] && s2[1]<=s2[2] && s2[2]<=s2[3] && s2[3]<s2[4] && s2[4]<s2[5])
        || (s2.size() == 7 && s2[0]<=s2[1] && s2[1]<=s2[2] && s2[2]<=s2[3] && s2[3]<s2[4] && s2[4]<s2[5] && s2[5]<s2[6])) {
            cout<<s2<<endl;
        }
    }
}