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String Compression
Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not intβ¦
Large sound and Strong tremors in Bangalore, Earthquake?
Bangalore people have witnessed some kind of weird large sound along with strong tremors mostly like an earthquake. Peopβ¦
Repeated Substring Pattern
Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of theβ¦
Detect Capital
Given a word, you need to judge whether the usage of capitals in it is right or not. We define the usage of capitals inβ¦
Longest Uncommon Subsequence I
Given two strings, you need to find the longest uncommon subsequence of these two strings. The longest uncommon subsequeβ¦
Popular Ruby Editors
To write your Ruby programs, you will need an editor − - If you are working on a Windows machine, then you can usβ¦
Reverse String II
Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the stβ¦
Student Attendance Record I
You are given a string representing an attendance record for a student. The record only contains the following three chaβ¦
Ruby - Local Environment Setup Mac
In this post, we’re going to show you how to install Ruby on your Mac. Along the way, we’ll learn about the β¦
Ruby - Local Environment Setup in Windows
Here are the steps to install Ruby on a Windows machine. NOTE - You may have different versions available at the time oβ¦
Ruby - Local Environment Setup in UNIX
If you are still willing to set up your environment for Ruby programming language, then let's proceed. This tutorial wilβ¦
Ruby Introduction
Ruby "A Programmer's Best Friend": - Ruby is an object-oriented programming language developed by Yukihiro Matsumoto. β¦
Reverse Words in a String III
Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitesβ¦
Construct String from Binary Tree
You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way.β¦
Robot Return to Origin
There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this roβ¦