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authorNat Lasseter <Nat Lasseter nathan@bytemark.co.uk>2017-12-02 16:34:42 +0000
committerNat Lasseter <Nat Lasseter nathan@bytemark.co.uk>2017-12-02 16:34:42 +0000
commit54350d120ff81743476fa851a2f049b3f50f617f (patch)
tree5c584100555c72c0ebbc7ac21a3b1abad93b74ce
parentea3c3f6bc4fcdb65cfaba8432ac88998faf7848c (diff)
Day 02
-rw-r--r--day02/input16
-rwxr-xr-xday02/part112
-rwxr-xr-xday02/part223
3 files changed, 51 insertions, 0 deletions
diff --git a/day02/input b/day02/input
new file mode 100644
index 0000000..9797769
--- /dev/null
+++ b/day02/input
@@ -0,0 +1,16 @@
+116 1259 1045 679 1334 157 277 1217 218 641 1089 136 247 1195 239 834
+269 1751 732 3016 260 6440 5773 4677 306 230 6928 7182 231 2942 2738 3617
+644 128 89 361 530 97 35 604 535 297 599 121 567 106 114 480
+105 408 120 363 430 102 137 283 123 258 19 101 181 477 463 279
+873 116 840 105 285 238 540 22 117 125 699 953 920 106 113 259
+3695 161 186 2188 3611 2802 157 2154 3394 145 2725 1327 3741 2493 3607 4041
+140 1401 110 119 112 1586 125 937 1469 1015 879 1798 122 1151 100 926
+2401 191 219 607 267 2362 932 2283 889 2567 2171 2409 1078 2247 2441 245
+928 1142 957 1155 922 1039 452 285 467 305 506 221 281 59 667 232
+3882 1698 170 5796 2557 173 1228 4630 174 3508 5629 4395 180 5100 2814 2247
+396 311 223 227 340 313 355 469 229 162 107 76 363 132 453 161
+627 1331 1143 1572 966 388 198 2068 201 239 176 1805 1506 1890 1980 1887
+3390 5336 1730 4072 5342 216 3823 85 5408 5774 247 5308 232 256 5214 787
+176 1694 1787 1586 3798 4243 157 4224 3603 2121 3733 851 2493 4136 148 153
+2432 4030 3397 4032 3952 2727 157 3284 3450 3229 4169 3471 4255 155 127 186
+919 615 335 816 138 97 881 790 855 89 451 789 423 108 95 116
diff --git a/day02/part1 b/day02/part1
new file mode 100755
index 0000000..b63cec1
--- /dev/null
+++ b/day02/part1
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+cs = 0
+
+input = $stdin.readlines.map(&:chomp)
+
+input.each do |line|
+ nums = line.split.map(&:to_i)
+ cs += nums.max - nums.min
+end
+
+puts cs
diff --git a/day02/part2 b/day02/part2
new file mode 100755
index 0000000..5d05da2
--- /dev/null
+++ b/day02/part2
@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+
+def findpair(nums)
+ (0...nums.length).each do |i|
+ (0...nums.length).each do |j|
+ next if j == i
+ pair = [nums[i], nums[j]]
+ return pair if pair.max % pair.min == 0
+ end
+ end
+end
+
+cs = 0
+
+input = $stdin.readlines.map(&:chomp)
+
+input.each do |line|
+ nums = line.split.map(&:to_i)
+ pair = findpair(nums)
+ cs += pair.max / pair.min
+end
+
+puts cs