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 19, 2026 • Leetcode

Find the City With the Smallest Number of Neighbors

There are n cities numbered from 0 to n-1. Given the array edges where edges[i] = [fromi, toi, weighti] represents a

Oct 18, 2026 • Leetcode

Number of Dice Rolls With Target Sum

You have n dice, and each dice has k faces numbered from 1 to k.

Oct 17, 2026 • Leetcode

Count Complete Tree Nodes

Given the root of a complete binary tree, return the number of the nodes in the tree.

Oct 16, 2026 • Leetcode

Find Latest Group of Size M

Given an array arr that represents a permutation of numbers from 1 to n.

Oct 15, 2026 • Leetcode

K-Concatenation Maximum Sum

Given an integer array arr and an integer k, modify the array by repeating it k times.

Oct 14, 2026 • Leetcode

Reorder List

You are given the head of a singly linked-list. The list can be represented as:

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