wip

2025/02.rb

@@ -0,0 +1,30 @@
+def valid(str, p2)
+  (1..str.size / 2).each do |i|
+    sub = str[0, i]
+    return false if str[i..] == sub
+
+    if p2 && str.size > 2
+      chunks = str[i..].chars.each_slice(sub.size).map(&:join)
+      puts chunks
+    end
+  end
+  true
+end
+
+input = File.read('input/test').split(',')
+p1 = 0
+p2 = 0
+
+input.each do |line|
+  sp = line.split('-')
+  a = sp[0].to_i
+  b = sp[1].to_i
+
+  (a..b).each do |i|
+    p1 += i unless valid(i.to_s, false)
+    p2 += i unless valid(i.to_s, true)
+  end
+end
+
+puts p1
+puts p2