2019: Day 1 Part 1

2019/day1/input

@@ -0,0 +1,100 @@
+92349
+57040
+64079
+121555
+143735
+64642
+104858
+144446
+88871
+62338
+113424
+59960
+53999
+86867
+67224
+124130
+108921
+130492
+120361
+74426
+70397
+88106
+125442
+74237
+137818
+66633
+71756
+143276
+143456
+135698
+121124
+67739
+112861
+78572
+73565
+111899
+57543
+130314
+121605
+121426
+117143
+129957
+98042
+104760
+144846
+131238
+101076
+53328
+83592
+104077
+101952
+54137
+115363
+60556
+133086
+113361
+117829
+75003
+93729
+140022
+126219
+59907
+140589
+91812
+50485
+56232
+92858
+106820
+123423
+98553
+135315
+95583
+72278
+98702
+55709
+146773
+89719
+134752
+79562
+70455
+88468
+139824
+138646
+117516
+123267
+113754
+120353
+139145
+53219
+63053
+131434
+91705
+53650
+145234
+78461
+119587
+108976
+113613
+121790
+120366

2019/day1/part1.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+answer = 0
+File.open(File.join(__dir__, 'input')) do |file|
+  file.readlines.each do |line|
+    mass = line.to_i
+    answer += (mass / 3).truncate - 2
+  end
+end
+puts answer