How to Implement Integer Square Root in C/C++?
Question: Implement integer square root for int sqrt(int x) There are many ways to compute the integer square root. But if you don’t bother, you can always cheat the compilers …
Tag: tutorial
C Sharp Extension Method
You probably came across the following declaration in C# and wonder what the hell does keyword this do. namespace ConsoleApplication1 { public static class Numbers { public static int AddOne(this …
Coding Exercise – Restore IP Addresses – C++ – Online Judge
October 31, 2013
algorithms, brute force, code, code library, implementation, programming languages, string
2 Comments
Question: Given a string containing only numbers, restore it by returning all possible IP addresses (in a vector) Original Problem Page: http://oj.leetcode.com/problems/restore-ip-addresses/ Examples: Given "25525511135", return . (Order does not matter) A …
Coding Exercise – Remove Element – C++ – Online Judge
October 30, 2013
algorithms, beginner, c / c++, data structure, implementation, interview questions, programming languages, tricks
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Question: Given an array and a element, remove all instances of that value in place and return the new length. The order of elements can be changed and it …
Coding Exercise – Remove Duplicates From Sorted List – C++ – Online Judge
October 29, 2013
algorithms, beginner, brute force, c / c++, code, implementation, interview questions, programming languages
2 Comments
Question : Given a sorted list represented by a directional link structure (as follows), remove the duplicates and return the new list. /** * Definition for singly-linked list. * …