#
Crack the Coding Interviews

Prepare for technical interviews and learn from handcrafted tutorials and interview questions

**Explore Interview Questions →**

## Programming Tutorials

Learn programming and get technical knowledge from our handcrafted tutorials

## Python Tutorial

A tutorial which will make you expert in Python.

START →

# Latest Articles

Problem Statement The problem “Largest divisible pairs subset” states that you are given an array of n distinct elements. Find the length of largest such that each pair of the subset has the larger element divisible by smaller elements. Example array = {1, 2, 4, 5, 8, 9, 16} 5 …

Read moreLargest divisible pairs subset

Problem Statement The problem ‘GCDs of given index ranges in an array” states that you are given an integer array and some range queries. The problem statement asks to find out the Greatest Common Divisor of the sub-array so formed within the range. Example arr[] = {10, 5, 18, 9, …

Read moreGCDs of given index ranges in an array

Problem Statement The “Queries for GCD of all numbers of an array except elements in a given range” problem states that you will be given an integer array and a q number of queries. Each query contains the number left and right. The problem statement asks to find out the …

Read moreQueries for GCD of all numbers of an array except elements in a given range

Problem Statement The problem “Find whether a subarray is in form of a mountain or not” states that you are given an integer array and a range. The problem statement asks to find out whether the sub-array formed between the given range is in form of a mountain form or …

Read moreFind whether a subarray is in form of a mountain or not

Problem Statement The problem “Mean of range in array” states that you are given an integer array and q number of queries. Each query contains the left and right as a range. The problem statement asks to find out the floor mean value of all the integers that come in …

Read moreMean of range in array