hetnapja.cpp

#include <iostream>

using namespace std;

int main()
{
    //1. dekl
    int n;
    string nap;
    const string napok[7+1] = {
      "","H","K","Sze","Cs","P","Szo","V"
    };
    //2. beolv
    bool jo;
    do {
        cout << "Het hanyadik napja: ";
        cin >> n;
        jo = n>=1 && n<=7;
        if (!jo) {
            cout << "Nem jo" << endl;
        }
    } while(!jo);
    //3. feld, alg
    nap = napok[n];
    //4. ki
    cout << "Ez az a nap: " << nap << endl;
    return 0;
}