diff --git a/2024/day2/problem2.md b/2024/day2/problem2.md new file mode 100644 index 0000000..1f38fc0 --- /dev/null +++ b/2024/day2/problem2.md @@ -0,0 +1,18 @@ +--- Part Two --- +The engineers are surprised by the low number of safe reports until they realize they forgot to tell you about the Problem Dampener. + +The Problem Dampener is a reactor-mounted module that lets the reactor safety systems tolerate a single bad level in what would otherwise be a safe report. It's like the bad level never happened! + +Now, the same rules apply as before, except if removing a single level from an unsafe report would make it safe, the report instead counts as safe. + +More of the above example's reports are now safe: + +7 6 4 2 1: Safe without removing any level. +1 2 7 8 9: Unsafe regardless of which level is removed. +9 7 6 2 1: Unsafe regardless of which level is removed. +1 3 2 4 5: Safe by removing the second level, 3. +8 6 4 4 1: Safe by removing the third level, 4. +1 3 6 7 9: Safe without removing any level. +Thanks to the Problem Dampener, 4 reports are actually safe! + +Update your analysis by handling situations where the Problem Dampener can remove a single level from unsafe reports. How many reports are now safe? \ No newline at end of file