Commit 7593865d9688978fc6502f1c7c4984d8fbd0cfcc - aoc-2018

slightly cleaner? Haldean Brown 3 years ago

1 changed file(s) with 6 addition(s) and 6 deletion(s). Raw diff Collapse all Expand all

-6

04/Aoc04.hs less more

119	119
120	120	guardSleepTimes :: [Shift] -> [(Integer, Int)] -- sleep time, guard id
121	121	guardSleepTimes shifts =
122		L.sort
123		$ map (\gid -> (sum $ map getSleepTime $ filter (\s -> shiftGuard s == gid) shifts, gid))
124		$ S.toList
125		$ allGuards shifts
	122	shifts
	123	& allGuards
	124	& S.toList
	125	& map (\gid -> (sum $ map getSleepTime $ filter (\s -> shiftGuard s == gid) shifts, gid))
	126	& L.sort
126	127
127	128	sleepiestGuard :: [Shift] -> Int
128	129	sleepiestGuard = snd . L.maximum . guardSleepTimes

137	138	guardMinutes :: Int -> [Shift] -> [(Int, Int)]
138	139	guardMinutes g allShifts =
139	140	let shifts = filter ((==) g . shiftGuard) allShifts
140		minutes = [0..59]
141		in map (countSleepMinutes shifts) minutes where
	141	in map (countSleepMinutes shifts) [0..59] where
142	142	countSleepMinutes shifts m = (length $ filter (isAsleepAt m) shifts, m)
143	143
144	144	sleepiestMinute :: Int -> [Shift] -> (Int, Int) -- sleeps, minute