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Shared_Ptr in C++

The shared_ptr type is a smart pointer that is designed...

18 Nov 2020

Templates in C++

A template is a blueprint or formula for creating a...

17 Nov 2020

Polymorphism in C++

Polymorphism means having more than one function with the same...

16 Nov 2020

Interfaces in C++

An interface describes the behavior or capabilities of a C++...

16 Nov 2020

Valid Perfect Square Problem

LeetCode 367. Given a positive integer num, write a function...

15 Nov 2020

Sqrt(x) Problem

LeetCode 69. Given a non-negative integer x, compute and return...

15 Nov 2020

Search Insert Position Problem

LeetCode 35. Given a sorted array of distinct integers and...

15 Nov 2020

Stream of Characters Problem

LeetCode 1032. Implement the StreamChecker class as follows. Constructor, initialize...

14 Nov 2020

Maximum XOR of Two Numbers in an Array Problem

LeetCode 421. Given an integer array nums, return the maximum...

14 Nov 2020

Implement Trie (Prefix Tree) Problem

LeetCode 208. Implement a Trie with insert, search, and startsWith...

14 Nov 2020

Camelcase Matching Problem

LeetCode 1023. A query word matches a given pattern if...

14 Nov 2020

Word Search II Problem

LeetCode 212. Given an m x n board of characters...

12 Nov 2020

Two Sum Input Array Is Sorted Problem

LeetCode 167. Given an array of integers nums sorted in...

12 Nov 2020

Subarray Sum Divisible By K Problem

LeetCode 974. Given an array of integers nums and an...

12 Nov 2020

Replace Words Problem

LeetCode 648. Given a dictionary consisting of many roots, and...

12 Nov 2020

Longest Word In Dictionary Problem

LeetCode 720. Given a list of strings words representing an...

12 Nov 2020