Longest common prefix problem

Author: roitt

problems/longest-common-prefix/Readme.md

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+# Longest Common Prefix
+
+Given a String array, find the longest common prefix.
+
+## Example
+
+```
+f([‘rocket’, ‘rockstar’, ‘rockbottom’, ‘rock’, ‘rollingstone’] // ‘ro’
+f([‘shuffle’, ‘shuttle’, ‘shut’] // ‘shu’
+```
+
+## Source
+Personal Phone Interview