Coding interview problems solutions

Solution for: Two Sum

Two Sum: finding two numbers in an array that add up to a given target number

Solution for: Merge Intervals

Given a collection of intervals, merge any overlapping intervals.

Solution for: Reverse a String

reverse a string interview question

Solution for: Longest Common Prefix

Find the longest common prefix string amongst an array of strings.

Solution for: Palindrome String

Palindrome String: Free. No login required. Python technical interview question

Solution for: Roman to Integer

Given a Roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999.