Skip to content

Advent of Code 2020: "Password Philosophy" - Day 2

Day 2, another challenge: fix a broken password database. In order to do that, the passwords which violate the policy must be identified.

Task 1: I get a string, consisting of 2 numbers, a letter, and a password string. Check how many passwords have count(letter) which is between number 1 and number 2.

Task 2: The numbers are positions in the password string (beginning by 1, not 0). Exactly one of the two letters in the string must match the letter.


Continue reading "Advent of Code 2020: "Password Philosophy" - Day 2"