Tomasz Świątek 4bti/2 tablice petle

// zad 1

  const a = parseInt(prompt("Podaj liczbe, aby obliczyc silnie:"));

  if (a < 0) {
    console.log("Błąd! Nie ma silni z liczby < 0");
  } else if (a == 0) {
    console.log("0! = 1");
  } else {
    let strong = 1;
    for (let i = a; i > 1; i--) {
      strong *= i;
    }
    console.log(a + "! = " + strong);
  }

// zad 2


  for (let i = 10; i < 100; i++) {
    if (i % 4 == 0) {
      console.log(i);
    }
  }

// zad 3

  const step = parseInt(prompt("Podaj krok:"));
  console.log("Krok = " + step + "- > ");
  let i = 0;
  while (i < 200) {
    i += step;
    if (i <= 200) console.log(i);
  }

// zad 4

  let fiveNums = new Array(5);
  for (let i = 0; i < fiveNums.length; i++) {
    fiveNums[i] = parseInt(prompt("Podaj liczbę:"));
  }
  const total = fiveNums.reduce((a, b) => {
    return a + b;
  });
  console.log("Suma: " + total + "</br>Elementy tablicy: "+ fiveNums.join());

// zad 5

  let foo = new Array;

  for (let i = 0; i >= 0; i++) {
    foo[i] = parseInt(prompt("Podaj liczbe:"));
    if (foo[i] == 0) {
      break;
    }

  }
  const sortedFoo = foo.sort((a, b) => a-b);
  console.log(`
  MAX: ${foo[foo.length - 1]}
  MIN: ${foo[0]}
  SORT: ${sortedFoo}
  `);

// zad 6

  let sum = 0;
  let i = 0;
  let num = 0;
  while (sum < 50) {
    num = parseInt(prompt("Podaj liczby:"));
    sum += num;
    i++;
  }
  if (sum > 50) {
    sum -= num;
    i--;
  }
  console.log("Suma liczb: " + sum + "</br> zsumowano " + i + " liczb");

// zad 7

  let money = 2;
  let days = 1;
  do {
    money *= 2;
    days++;
  } while (days < 30);

  let formatter = new Intl.NumberFormat("pl-PL", {
    style: "currency",
    currency: "PLN",
  });
  fMoney = formatter.format(money);
  console.log("Syn zaoszczędził " + fMoney);

// zad 8

  let base = 10;
  let allBricks = 0;
  let singleFloor = 0;
  for (let i = base; i > 0; i--) {
    singleFloor = Math.pow(i, 2);
    allBricks += singleFloor;
  }
  console.log("Ilość cegieł w piramidzie: " + allBricks);