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A palindrome is a phrase or sequence of characters that reads the same forward and backwards, ignoring non-alphanumeric characters and considering...
Introduction In many coding interviews, you may come across a question asking you to remove duplicate elements from a sorted array. This problem...
Introduction In this post, I will discuss how to determine if a given string of parentheses is valid or not using different programming...
The Longest Common Prefix problem requires finding the longest common prefix string among an array of strings. If there is no common prefix, the...
Roman numerals are a numeral system that originated in ancient Rome and are still used today in various contexts, such as clock faces, book chapters,...
Introduction In programming, we often encounter problems where we need to find a solution that satisfies certain conditions. The Two Sum problem is...
