//Zadanie A
console.log("");
console.log("Zadanie A")
console.log("");
for(k = 0; k < 10 ; k++){
    console.log("Silnia z " + k + ": " + zadanie_A(k));
}


function zadanie_A(liczba) {
    var wynik= 1;

    if(liczba == 0){
        return wynik;
    }
    for(var i = 2 ; i <= liczba ; i++){
        wynik *= i;
    }
    return wynik;
}

var zadanie_A_expresion = function(liczba2) {
    var wynik= 1;

    if(liczba2 == 0){
        return wynik;
    }
    for(var i = 2 ; i <= liczba2 ; i++){
        wynik *= i;
    }
    return wynik;
}

console.log(zadanie_A_expresion(3));

//Zadanie B
console.log("");
console.log("Zadanie B")
console.log("");
for(var k = 0; k < 10 ; k++){
    console.log("Fibo z " + k + ": " + zadanie_B(k));
}

function zadanie_B(liczba){
    if(liczba == (0 || 1)){
        return liczba;
    }

    var wynik = 0;
    for(var i = 1; i <= liczba; i++){
        wynik = zadanie_B(i-1) + zadanie_B(i-2);
    }
    return wynik;
}

//Zadanie C
console.log("");
console.log("Zadanie C")
console.log("");
console.log("kajak " + zadanie_C("kajak"));
console.log("ala " + zadanie_C("ala"));
console.log("kamil slimak " + zadanie_C("kamilslimak"));
console.log("dom " + zadanie_C("dom"));
console.log("12321 " + zadanie_C("12321"));

function zadanie_C(ciag){
    if(typeof ciag != "string"){
        return false;
    }

    var wynik = false;
    for(var i = 0; i < ciag.length/2; i++){
        if(ciag[i] != ciag[ciag.length-1-i]){
            return false;
        }
    }
    return true;
}

//Zadanie D
console.log("");
console.log("Zadanie D")
console.log("");
console.log(zadanie_D("webmaster"));

function zadanie_D(ciag){
    if(typeof ciag == "string"){
        var ciag_tab = ciag.split("");
        return ciag_tab.sort().join("");
    }
}

//Zadanie E
console.log("");
console.log("Zadanie E")
console.log("");
console.log(zadanie_E("ala ma kota, a kot ma aleeeeededeed"));

function zadanie_E(ciag){
    if(typeof ciag != "string"){
        return false;
    }
    var ciag_tab = ciag.split(" ");
    var max = ciag_tab[0];
    for(var i = 1 ; i < ciag_tab.length ; i++){
        if(ciag_tab[i].length > max.length){
            max = ciag_tab[i];
        }
    }
    return max;
}

//Zadanie F
console.log("");
console.log("Zadanie F")
console.log("");
for(k = 0; k < 10 ; k++){
    console.log("Pierwsza? " + k + ": " + zadanie_F(k));
}

function zadanie_F(liczba){
    for(var i = 2 ; i < liczba ; i++){
        if(liczba%i == 0){
            return false;
        }
    }
    return true;
}


//Zadanie G
console.log("");
console.log("Zadanie G")
console.log("");
    console.log(zadanie_G(1) );
    console.log(zadanie_G("a"));
    console.log(zadanie_G('a'));
    console.log(zadanie_G(1.1));
    console.log(zadanie_G(1.2344));
    console.log(zadanie_G(true));

function zadanie_G(param){
    return typeof param;
}

//Zadanie H
console.log("");
console.log("Zadanie H")
console.log("");
console.log(zadanie_H([5,4,3,2,1]));
console.log(zadanie_H([10,45,213,2134,5,2,1,3,123,45]));

function zadanie_H(arr){
    var sort_arr = arr.sort();
    return "2min: " +  sort_arr[1] + " 2max: " + sort_arr[sort_arr.length-2];
}

//Zadanie I
console.log("");
console.log("Zadanie I")
console.log("");
console.log(zadanie_I(46,[25,10,5,2,1]));

function zadanie_I(kwota,nominaly){
    var sort_desc = nominaly.sort(function(a,b){return b - a});
    var wynik = [];
    var reszta = kwota;
    for(var  i = 0 ; i < nominaly.length ; i++){
        while(reszta > 0 && reszta >= nominaly[i]){
            reszta -= nominaly[i];
            wynik.push(nominaly[i]);
        }
    }
    return wynik;
}

//**************************************************************** */
//Zadanie J
console.log("");
console.log("Zadanie J")
console.log("");
console.log("Wynik " + zadanie_J(3,[1,2,3,4,5,6,7,8,9,10]));
console.log("Wynik " + zadanie_J(10,[1,2,3,4,5,6,7,8,9,10]));
console.log("Wynik " + zadanie_J(5,[1,2,3,4,5,6,7,8,9,10]));

function zadanie_J(search,arr){
    var sort_asc = arr.sort(function(a,b){return a - b});
    var index_left = 0;
    var index_right = sort_asc.length-1;
    var index_middle = 0 ;

    while(index_left <= index_right){
        index_middle = Math.round((index_right + index_left) /2);

        if(search == sort_asc[index_middle]){
            return index_middle
        }else if(search < sort_asc[index_middle]){
            index_right = index_middle;
        }else if(search > sort_asc[index_middle]){
            index_left = index_middle;
        }

    }

}

//**************************************************************** */
//Zadanie K
console.log("");
console.log("Zadanie K")
console.log("");

var obiekt = {
    a: "a",
    b: 1,
    c: "c",
    alercik : function (){return "alert"}


}
console.log(obiekt.alercik());
console.log(getAllVar(obiekt));

function getAllVar(obiekt){
    if(obiekt instanceof Object){
        for(var v in obiekt){
            console.log(v + " > " + obiekt[v] + " > "  + typeof obiekt[v] );
        }
    }
}

//**************************************************************** */
//Zadanie L
console.log("");
console.log("Zadanie L")
console.log("");

function Student(name,lastName,index,deArr){
    this.name = name;
    this.lastName = lastName;
    this.index = index;
    this.deArr = deArr;

}

var Student1 = new Student("Adam","Jan",12345,[1,2,3,4]);
Student1.getInfo =  function (){
        var suma = 0;
        for(var d of this.deArr){
            suma += d;
        }
        return this.name + " " + this.lastName + " > " + suma/this.deArr.length+1;
}

console.log(Student1.getInfo());

//**************************************************************** */
//Zadanie M
console.log("");
console.log("Zadanie M")
console.log("");

var Student_pro = function(imie,nazwisko,indeks){
    this.imie = imie;
    this.nazwisko = nazwisko;
    this.indeks = indeks;
    this.przedmioty = [];
}