Vlak 5.9 van Rust Probleemoplossing

Vertoon die volgende piramide op die skerm:

Maak 'n skikking met grootte 10 by 10. Vul dit met getalle in volgorde:

rust[
  [ 1,  2,  3,  4,  5],
  [ 6,  7,  8,  9, 10],
  [11, 12, 13, 14, 15],
  [16, 17, 18, 19, 20],
  [21, 22, 23, 24, 25],
}

Gegee getal:

rustlet num: u16 = 12345;

Verdubbel die syfers in hierdie getal:

rust1122334455

Gegee skikking:

rust[
  "123",
  "213",
  "321",
}

Vervang in elke string die karakters "1" met "0":

rust[
  "023",
  "203",
  "320",
}