Learn and practice the data structure and algorithm with C++ Programming language
Reverse Linked List :You can solve this problem in C++, Java, Python, or JavaScript using the following algorithm to reverse a singly linked list: Leet Code : Reverse Nodes in k-Group Java, Python ,C++ JavaScript Solution Imagine you have a chain of beads, and you want to reverse their order. That’s what this code does […]
Leet code 206 Reverse Linked List (EAZY) Read More »
Leet Code . 420 Strong Password Checker: Hey there, coding enthusiasts! Welcome back to another exciting coding session. Today’s problem is a treat—literally! We’re going to solve the “Strong Password Checker” or “Leet Code .420‘ Approach The code achieves this by following these steps: C++ Solution Leet Code 420 Leet Code : Longest Palindromic Substring
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Counting Valid Pickup and Delivery Sequences: A Dynamic Programming Approach 1. Introduction What is the Problem? You are given n orders, each comprising both pickup and delivery services. The task is to count all the valid sequences of these orders, ensuring that the delivery for each order always occurs after its corresponding pickup. To manage
Leetcode 1359 Count All Valid Pickup and Delivery Options (HARD) Read More »
The problem “Snakes and Ladders” is a problem where the goal is to find the minimum number of dice rolls required to reach the final square in a game of snakes and ladders. The game is represented by a square grid with snakes and ladders on some of the squares. Landing on a ladder square
LeetCode: Solving Snakes and Ladders with BFS Algorithm Read More »
C++ is a powerful programming language that is widely used for creating various types of software and applications. One of the most important features of C++ is its ability to use loops, which are used to repeatedly execute a block of code. In this article, we will take a closer look at the different types
C++ Loop: While, For, Do While loop ,Auto with example Read More »
C++ Strings are a data type used to store and manipulate sequences of characters. They are an important part of the C++ standard template library (STL) and are widely used in C++ programming. In C++, strings are objects of the std::string class. This class provides a variety of methods for working with strings, including operations
C++ Strings: String Operation with examples Read More »
In C++, a variable is a named storage location that can hold a value of a specific data type. There are several basic data types in C++, including:
C++ Variables: Understanding the Different Data Types Read More »
In C++, input and output (I/O) operations are performed using the standard input/output library, which is defined in the <iostream> header file. The basic I/O operations in C++ are performed using the following four standard streams: Here’s an example of a simple program that uses cin and cout to read an integer from the keyboard
C++ Input and Output: Understanding cin, cout, cerr and clog with Examples Read More »
To get started with C++ programming, you will need a few tools and resources. Here is a basic list of what you will need: Once you have these tools and resources, you can begin writing and running C++ programs. Start with simple programs, such as a “Hello World” program, and work your way up to
Getting Started with C++ Programming: Read More »
C++ is a powerful, high-performance programming language that is widely used in a variety of applications, from video games to operating systems to scientific simulations. It is an extension of the C programming language, and was developed by Bjarne Stroustrup in the early 1980s. One of the key features of C++ is its object-oriented programming
C++ Programming: An Introduction Read More »
Leet Code 55.:In this post, we’ll look at two jump game difficulties offered on Leet Code 55. These are well-known coding tasks that might be difficult to complete in a single attempt.We’ll go over numerous approaches to solving both issues step by step using complexity analysis. So, let’s begin with the first. Day 3 Coding
Leet Code 55. Tackling Jump I , II , III , IV Game | Cpp ,Java ,Python – Day 3 Read More »
If, you are preperaing for FACEBOOK Interview or will prepare. Then according to LeetCode premium it is no.4 most asked Question by Facebook as per now. Nilesh Most important QUOTE… So Ladies n Gentlemen without any further due let’s start,What question saying is, Given two binary strings a and b, return their sum as a binary string. Explanation of Approach: Explanation
Day 2 : FaceBook Asked interview Quetion :- Add Binary Sum – Java ,Python ,Cpp Read More »
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. Input: height = [0,1,0,2,1,0,1,3,2,1,2,1] Output: 6 Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped. CPP solution
Leet Code : Trapping Rain Water Solution Java | CPP | JS Read More »
Given the root of a binary tree, determine if it is a valid binary search tree (BST). A valid BST is defined as follows: Input: root = [2,1,3] Output: true Solution : Java DFS : Python : CPP : Inorder solution :
Leet Code : Validate Binary Search Tree Java | CPP | Python solution Read More »
Two integer arrays, nums and multipliers, of sizes n and m, respectively, are provided to you, where n >= m. The arrays are all one-dimensional. You start with a score of zero. You need to carry out precisely m operations. On the ith (1-indexed) action, you will: Choose one integer x from the beginning or
