Create 0212_Problem_1.rb

Author: codereport

Diff for: 0212_Problem_1.rb

@@ -0,0 +1,11 @@
+# code_report Solution
+# Problem Link (Contest):  https://leetcode.com/contest/weekly-contest-212/problems/slowest-key/
+# Problem Link (Practice): https://leetcode.com/problems/slowest-key/
+
+def slowest_key(t, k)
+    return t.unshift(0)
+            .each_cons(2)
+            .map{|a, b| b - a}
+            .zip(k.chars)
+            .max[1]
+end