Welcome to Hazrat Ali,
Problem Solving

Welcome to Hazrat Ali, Problem Solving Website “At Hazrat Ali, we provide a platform for aspiring problem solvers and developers to sharpen their coding and algorithmic skills. Whether you’re a beginner or an advanced coder, our wide range of challenges and resources will help you grow. From mastering data structures and algorithms to participating in competitive coding contests, we offer tools and a community that supports your journey in programming. Explore our curated problems, get involved in discussions, and start Solving problems that will elevate your coding expertise. Join us today and start your problem-Solving adventure!”

Recent Articles

Oct 13, 2026 • Leetcode

Copy List with Random Pointer

A linked list of length n is given such that each node contains an additional random pointer, which could point to any node in the list, or null.

Oct 12, 2026 • Leetcode

All Nodes Distance K in Binary Tree

Given the root of a binary tree, the value of a target node target

Oct 11, 2026 • Leetcode

Online Election

You are given two integer arrays persons and times. In an election, the ith vote was cast for persons[i] at time times[i].

Oct 10, 2026 • Leetcode

As Far from Land as Possible

Given an n x n grid containing only values 0 and 1, where 0 represents water and 1 represents land

Oct 09, 2026 • Leetcode

Ugly Number III

An ugly number is a positive integer that is divisible by a, b, or c.

Oct 08, 2026 • Leetcode

Asteroid Collision

We are given an array asteroids of integers representing asteroids in a row. The indices of the asteroid in the array represent their relative position in space

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