Day 03 part 1
var
records: int
score: array[12, int]
gamma: int
epsilon: int
proc getGamma(score: array[12, int]): int =
var gammaAscii: string
for s in score.items:
if records div 2 - s > 0:
gammaAscii.add("1")
else:
gammaAscii.add("0")
result = fromBin[int](gammaAscii)
for l in "input.txt".lines:
records.inc
for i in 0..<l.len:
if l[i] == '1':
score[i].inc
gamma = score.getGamma
epsilon = gamma.flipMasked(0b1111_1111_1111)
Answer is: 2724524